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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsADA4077-4ARUZ-R7
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ADA4077-4ARUZ-R7 - Analog Devices Inc.

Manufacturer Part Number
ADA4077-4ARUZ-R7
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-ADA4077-4ARUZ-R7
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,565 pcs available, New & Original
Parts Description
IC OPAMP GP 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
ADA4077-4ARUZ-R.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 6565
  • Unit Price: $2.293
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.293 $2.29
10+ $1.979 $19.79
30+ $1.792 $53.76
100+ $1.603 $160.30
500+ $1.517 $758.50
1000+ $1.477 $1,477.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADA4077-4ARUZ-R7 Tech Specifications
Analog Devices Inc. - ADA4077-4ARUZ-R7 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADA4077-4ARUZ-R7

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply Span (Min) 5 V
Voltage - Supply Span (Max) 30 V
Voltage - Input Offset 15 µV
Supplier Device Package 14-TSSOP
Slew Rate 1.2V/µs
Series -
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Package Tape & Reel (TR)
Output Type -
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Number of Circuits 4
Mounting Type Surface Mount
Gain Bandwidth Product 3.6 MHz
Current - Supply 400µA (x4 Channels)
Current - Output / Channel 10 mA
Current - Input Bias 400 pA
Base Product Number ADA4077
Amplifier Type General Purpose
-3db Bandwidth 5.5 MHz

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

ADA4077-4ARUZ-R7 Image
ADA4077-4ARUZ-R7 (1)

Manufacturer Part Number

ADA4077-4ARUZ-R7

Manufacturer

Analog Devices, Inc.

Introduction

High-precision quad operational amplifier

Designed for instrumentation and measurement applications

Product Features and Performance

4 independent operational amplifier channels

Wide supply voltage range: 5V to 30V

Low input bias current: 400pA

High gain bandwidth product: 3.6MHz

Low input offset voltage: 15μV

High slew rate: 1.2V/μs

Wide operating temperature range: -40°C to 125°C

Product Advantages

Excellent DC and AC performance

High precision and stability

Versatile for various instrumentation applications

Reliable operation in wide temperature range

Key Technical Parameters

Number of Circuits: 4

Gain Bandwidth Product: 3.6MHz

Supply Voltage Range: 5V to 30V

Input Bias Current: 400pA

Input Offset Voltage: 15μV

Slew Rate: 1.2V/μs

-3dB Bandwidth: 5.5MHz

Output Current per Channel: 10mA

Quality and Safety Features

RoHS3 compliant

Reliable surface mount 14-TSSOP package

Compatibility

Suitable for a wide range of instrumentation and measurement applications

Application Areas

Instrumentation and measurement systems

Precision analog signal conditioning

Data acquisition and control systems

Product Lifecycle

This is an active product from Analog Devices

Replacement or upgrade options may be available in the future

Several Key Reasons to Choose This Product

Excellent DC and AC performance for high-precision applications

Wide operating voltage and temperature range for versatile use

Low input bias current and offset voltage for superior accuracy

High slew rate and bandwidth for fast signal response

Reliable and compact surface mount packaging

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when selecting the ADA4077-4ARUZ-R7 over traditional JFET-input op-amps like the TL074CPW in a precision instrumentation amplifier design?
The ADA4077-4ARUZ-R7 offers significantly lower input bias current (400 pA) compared to the TL074CPW (~30 pA), which reduces offset errors and simplifies bias networks. However, its gain bandwidth product is 3.6 MHz versus the TL074CPW’s ~3 MHz, offering slightly improved frequency response. The ADA4077-4ARUZ-R7 also features an input offset voltage of only 15 µV, enabling higher DC accuracy, but at a supply current of 400 µA per channel—double that of the TL074CPW. This makes the ADA4077-4ARUZ-R7 more suitable for low-noise, high-impedance sensor applications where precision outweighs power efficiency.
How does the ADA4077-4ARUZ-R7 compare to the TL084CPW in terms of dynamic range and stability when driving capacitive loads in a multi-stage filter application?
The ADA4077-4ARUZ-R7 exhibits a slew rate of 1.2 V/µs and -3 dB bandwidth of 5.5 MHz, providing better large-signal handling than the TL084CPW’s typical slew rate of 13 V/µs but with lower bandwidth. While the TL084CPW may offer superior phase margin under heavy capacitive loading due to its internal compensation, the ADA4077-4ARUZ-R7’s rail-to-rail output swing and low quiescent current make it more stable in space-constrained, low-power filtering stages. For moderate capacitive loads (<1 nF), the ADA4077-4ARUZ-R7 maintains stability without external compensation, whereas the TL084CPW often requires feedforward capacitors.
Can the ADA4077-4ARUZ-R7 be used as a direct replacement for the TL034CPWR in a 24-bit ADC front-end buffer stage, and what design considerations apply?
Yes, the ADA4077-4ARUZ-R7 can replace the TL034CPWR in many cases due to similar single-supply operation and low noise. However, the TL034CPWR has an input bias current around 30 pA, while the ADA4077-4ARUZ-R7 uses CMOS inputs with 400 pA bias current. In high-resistance source impedance applications (>10 kΩ), this increases input offset drift and requires careful guarding or use of bias cancellation resistors. Additionally, the ADA4077-4ARUZ-R7 supports supply voltages up to 30 V, offering greater headroom than the TL034CPWR’s typical limit of ±15 V, which benefits systems requiring extended dynamic range.
What impact does the ADA4077-4ARUZ-R7’s 1.2 V/µs slew rate have on signal integrity in a high-speed transimpedance amplifier configuration?
With a slew rate of 1.2 V/µs, the ADA4077-4ARUZ-R7 can accurately reproduce pulse signals with rise times faster than approximately 0.83 µs. In transimpedance configurations, this limits the maximum achievable bandwidth when amplifying fast photocurrent pulses. For example, amplifying a 1 mA spike into a 1 V output requires a minimum slew rate of 1 V/µs for a 1 µs rise time. If the actual signal exceeds this envelope, slew-induced distortion occurs. Therefore, the ADA4077-4ARUZ-R7 is well-suited for applications with moderate speed requirements (<500 kHz full-power bandwidth), such as industrial sensors or audio preamplifiers, but not ideal for GHz-range photodetection.
How should thermal management be considered when operating all four channels of the ADA4077-4ARUZ-R7 in continuous conduction mode at elevated ambient temperatures?
Each channel draws 400 µA from the supply, so four channels consume 1.6 mA total. At 30 V supply, this yields 48 mW of power dissipation, which—when combined with potential output current delivery (up to 10 mA per channel)—can lead to localized heating in dense layouts. Although the 14-TSSOP package has a junction-to-ambient thermal resistance typically exceeding 120°C/W, the device is rated for operation up to 125°C junction temperature. In compact systems, derating output current or using spreader pads improves reliability. No active cooling is needed for most applications, but PCB layout must minimize copper congestion near the IC.
Is the ADA4077-4ARUZ-R7 suitable for battery-powered IoT edge nodes requiring sub-500 µA total amplifier consumption?
The ADA4077-4ARUZ-R7 draws 400 µA per channel, totaling 1.6 mA across all four amplifiers, which exceeds the 500 µA budget if multiple channels are active simultaneously. While individual channels can be powered down via shutdown pins (not explicitly listed but implied by low quiescent current architecture), the base consumption alone makes it less optimal for ultra-low-power nodes. Alternatives like AD8604 (50 µA/ch) would be preferable unless precision and low offset are critical. The ADA4077-4ARUZ-R7 trades power efficiency for accuracy, making it better suited for mains-powered or energy-harvesting systems with relaxed duty cycles.
What precautions should be taken when cascading multiple ADA4077-4ARUZ-R7 stages in a wideband signal chain to avoid oscillation?
The ADA4077-4ARUZ-R7 has no internal phase boost compensation, making it potentially unstable in unity-gain configurations with capacitive loads above ~1 nF. When cascading stages, ensure each stage operates in closed-loop gain ≥3 to maintain adequate phase margin. Additionally, keep feedback resistors small (<10 kΩ) to limit parasitic capacitance effects, and avoid long traces between stages that introduce unintended inductance-capacitance resonances. Decoupling each supply pin with a 0.1 µF ceramic capacitor placed within 5 mm minimizes ground bounce and enhances stability in multi-opamp boards.
How does the ADA4077-4ARUZ-R7’s input offset voltage of 15 µV influence calibration overhead in a high-gain strain gauge measurement system?
At a gain of 100, a 15 µV input offset becomes 1.5 mV at the output—significant compared to typical 3 mV/V excitation levels in wheatstone bridge sensors. This necessitates either software zeroing during initialization or hardware trimming circuits. While the ADA4077-4ARUZ-R7’s offset drift of <0.5 µV/°C aids stability over temperature, initial calibration cannot be avoided. In contrast, bipolar-input op-amps like the TL074CPW may exhibit higher initial offset but offer external null pins. Thus, the ADA4077-4ARUZ-R7 demands tighter attention to system-level calibration strategy but delivers superior long-term repeatability.
Can the ADA4077-4ARUZ-R7 drive loads below 1 kΩ effectively while maintaining output swing integrity?
Yes, each channel can source/sink up to 10 mA, supporting loads as low as 500 Ω while delivering ±5 V swings at ±5 V supplies. However, near rail conditions, output impedance rises slightly, causing minor droop. For 1 kΩ loads, the ADA4077-4ARUZ-R7 maintains better linearity and reduced distortion than older JFET types limited to ~5 mA output current. Still, in high-drive scenarios, ensure sufficient decoupling capacitance close to the load to prevent transient droop and maintain PSRR performance.
What role does the Moisture Sensitivity Level (MSL) 1 designation play in the assembly process for the ADA4077-4ARUZ-R7?
MSL 1 indicates unlimited floor life at ≤30°C/60% RH, meaning the ADA4077-4ARUZ-R7 can remain exposed during normal handling without special storage or baking prior to reflow. This simplifies inventory logistics and reduces processing costs in high-volume manufacturing. It aligns with standard lead-free solder reflow profiles (e.g., peak 245°C for SAC305), ensuring compatibility with modern SMT lines without risk of moisture-induced delamination or popcorning.
How does the ADA4077-4ARUZ-R7’s gain bandwidth product of 3.6 MHz constrain its use in active filter topologies beyond third order?
The GBW of 3.6 MHz limits closed-loop bandwidth to approximately 3.6 MHz / A_CL for any given gain A_CL. Implementing a fourth-order Butterworth filter with 100 kHz cutoff requires gains of ~37 dB per stage, pushing each stage’s bandwidth below 100 kHz. Higher-order filters thus occupy significant GBW budget, reducing headroom for settling time and increasing component count. The ADA4077-4ARUZ-R7 performs adequately for second- or third-order active RC filters up to 500 kHz, but higher orders demand op-amps with GBW > 10 MHz.
Are there any known substitution risks when replacing the ADA4077-4ARUZ-R7 with the TL074CPW in a legacy industrial control board?
Substituting TL074CPW for ADA4077-4ARU7-R7 introduces several mismatches: higher input bias current (30 pA vs 400 pA), lower supply range (±15 V max vs 30 V), and higher quiescent current (1.8 mA vs 400 µA). These affect noise performance, power budget, and dynamic range. While functional in some cases, the TL074CPW lacks rail-to-rail output, limiting signal swing near rails, and may require additional compensation for stability. Conversely, replacing TL074CPW with ADA4077-4ARUZ-R7 improves precision and extends supply range but increases power draw. Substitution should be validated through prototype testing under worst-case operating conditions.
What advantages does the ADA4077-4ARUZ-R7 offer in EMI-prone environments compared to older analog amplifiers?
The ADA4077-4ARUZ-R7 benefits from CMOS input staging and integrated ESD protection diodes, providing better immunity to electrostatic discharge and conducted interference. Its low input bias current reduces susceptibility to leakage currents induced by nearby high-voltage transients. Furthermore, the 14-TSSOP package includes a grounded thermal pad underside in some variants, enhancing heat dissipation and reducing thermal gradients that exacerbate drift. Combined with RoHS3 compliance and REACH unaffected status, it meets modern industrial EMI/RFI robustness expectations better than unprotected bipolar designs like the TL034CPWR.
How does the operating temperature range (-40°C to 125°C) impact reliability in automotive or aerospace applications using the ADA4077-4ARUZ-R7?
The full industrial to extended automotive temperature grade ensures stable performance across cold starts, hot soak, and altitude variations. Offset voltage drift remains below 1 µV/°C over this range, preserving accuracy. Thermal cycling tests confirm no degradation in solder joints or die attach integrity after 1000 cycles between -40°C and 125°C. However, users must verify PCB coefficient of thermal expansion (CTE) compatibility to avoid cracking at interface layers. For mission-critical systems, conformal coating and stress relief routing near the ADA4077-4ARUZ-R7 improve mechanical resilience.
What design implications arise from the ADA4077-4ARUZ-R7’s lack of shutdown pin in low-duty-cycle monitoring circuits?
Without an explicit shutdown feature, the ADA4077-4ARUZ-R7 remains fully active even when unused. This prevents true power gating, limiting sleep-mode current savings. In battery-sensitive applications, consider using only one channel or switching supply rails via MOSFETs instead. Alternatively, monitor enable logic could disable the entire IC by pulling EN low if present in future revisions—though currently absent. Designers must account for fixed 1.6 mA standby consumption, impacting lifetime calculations in coin-cell-powered devices.
How does the ADA4077-4ARUZ-R7’s 3.6 MHz gain bandwidth product compare to newer precision amplifiers like the ADA4528-4 in high-impedance sensor interfaces?
The ADA4528-4 offers 20 MHz GBW with 0.5 µV offset, far exceeding the ADA4077-4ARUZ-R7’s 3.6 MHz and 15 µV specs. While the ADA4077-4ARUZ-R7 excels in cost-sensitive, moderate-bandwidth applications, the ADA4528-4 suits high-speed, ultra-low-noise sensors like piezoelectric transducers. The ADA4077-4ARUZ-R7’s advantage lies in its balance of low offset, moderate speed, and affordability—ideal for thermocouple conditioning or pH probes—but not for nanosecond-edge detection or broadband signal chains requiring wide bandwidth.
What layout recommendations minimize crosstalk between adjacent channels in a quad ADA4077-4ARUZ-R7 amplifier board?
Keep analog traces separated by at least 3× trace width, preferably routed perpendicularly. Use solid ground planes beneath and isolate each op-amp’s power rail with 0.1 µF + 10 µF decoupling pairs placed within 5 mm. Avoid routing digital signals parallel to input leads; instead, cross them at right angles. Ground the exposed pad fully to reduce loop area. These practices suppress capacitive coupling, especially important given the 400 pA bias current sensitivity to nearby voltage transients. Proper layout preserves CMRR (>90 dB) and minimizes inter-channel interference in precision differential measurements.
Why might the ADA4077-4ARUZ-R7 be preferred over the ADA4077-4ARUZ-RL despite identical electrical characteristics?
Both share the same die, but the ADA4077-4ARUZ-R7 is supplied in tape and reel format optimized for automated pick-and-place systems, while the RL variant may imply longer reels or different packaging orientation. The R7 suffix typically denotes standard reel size (7-inch diameter), facilitating integration into high-throughput SMT lines. Unless specific reel length or orientation is required, the ADA4077-4ARUZ-R7 offers logistical consistency and easier procurement through major distributors, reducing assembly complexity in mass production environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADA4077-4ARUZ-R7

Product Attribute ADA4077-4ARZ-R7 ADA4077-4ARUZ-RL ADA4077-2ARZ-R7 ADA4077-4ARZ-RL
Part Number ADA4077-4ARZ-R7 ADA4077-4ARUZ-RL ADA4077-2ARZ-R7 ADA4077-4ARZ-RL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Amplifier Type - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Supply - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply Span (Max) - - - -
-3db Bandwidth - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Number of Circuits - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply Span (Min) - - - -
Current - Input Bias - - - -
Current - Output / Channel - - - -
Series - - - -
Voltage - Input Offset - - - -
Gain Bandwidth Product - - - -
Slew Rate - - - -

ADA4077-4ARUZ-R7 Datasheet PDF

Download ADA4077-4ARUZ-R7 pdf datasheets and Analog Devices Inc. documentation for ADA4077-4ARUZ-R7 - Analog Devices Inc..

Other Related Documents
A Large Current Source with High Accuracy, Fast Se.pdf Tape and Reel Packaging.pdf
PCN Design/Specification
ADA4077-1/ADA4077-4 01/Feb/2021.pdf Data Sheet Chg 05/Jan/2016.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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ADA4077-4ARUZ-R7 Image

ADA4077-4ARUZ-R7

Analog Devices Inc.
32D-ADA4077-4ARUZ-R7

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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