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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversADM3307EACPZ
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ADM3307EACPZ - Analog Devices Inc.

Manufacturer Part Number
ADM3307EACPZ
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-ADM3307EACPZ
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
11,522 pcs available, New & Original
Parts Description
IC TRANSCEIVER FULL 5/3 32LFCSP
Package
32-LFCSP-WQ (5x5)
Data sheet
ADM3307EACPZ.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 11522
  • Unit Price: $2.263
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.263 $2.26
200+ $0.876 $175.20
490+ $0.845 $414.05
980+ $0.83 $813.40
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADM3307EACPZ Tech Specifications
Analog Devices Inc. - ADM3307EACPZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADM3307EACPZ

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 2.7V ~ 3.6V
Type Transceiver
Supplier Device Package 32-LFCSP-WQ (5x5)
Series -
Receiver Hysteresis 140 mV
Protocol RS232
Package / Case 32-WFQFN Exposed Pad, CSP
Product Attribute Attribute Value
Package Tray
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 5/3
Mounting Type Surface Mount
Duplex Full
Data Rate 920Kbps
Base Product Number ADM3307

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

ADM3307EACPZ Image
ADM3307EACPZ (1)

Manufacturer Part Number

ADM3307EACPZ

Manufacturer

Analog Devices, Inc.

Introduction

High-speed, low-power RS232 transceiver

Designed for portable and battery-powered applications

Product Features and Performance

Operates from 2.7V to 3.6V supply

Supports data rates up to 920 Kbps

Integrated charge pump for RS232 operation

5 independent driver/receiver channels

Low power consumption in active and shutdown modes

ESD protection on all pins

Product Advantages

Small 32-LFCSP package for space-constrained designs

Robust RS232 communication with high data rates

Efficient power management for battery-powered devices

Key Technical Parameters

Voltage Supply: 2.7V to 3.6V

Data Rate: Up to 920 Kbps

Number of Driver/Receiver Channels: 5

Receiver Hysteresis: 140 mV

Duplex Mode: Full

Quality and Safety Features

RoHS3 compliant

ESD protection on all pins

Compatibility

Designed for use in RS232 communication systems

Application Areas

Portable and battery-powered devices

Industrial automation and control systems

Automotive electronics

Telecommunications equipment

Product Lifecycle

This product is currently in production and available for purchase.

Replacement or upgrade options may be available from the manufacturer.

Key Reasons to Choose This Product

High-speed, low-power RS232 communication

Compact 32-LFCSP package for space-constrained designs

Robust ESD protection for reliable operation

Efficient power management for battery-powered applications

Flexible configuration with 5 independent driver/receiver channels

Frequently Asked Questions(FAQ)

What are the key voltage and temperature constraints when integrating the ADM3307EACPZ into a low-power embedded system?
The ADM3307EACPZ operates within a supply voltage range of 2.7V to 3.6V, making it suitable for systems powered by single-cell Li-ion batteries or low-voltage digital logic such as ARM Cortex-M microcontrollers. Its operating temperature span from -40°C to 85°C ensures reliable performance in industrial and automotive edge environments. Designers must ensure that the entire signal chain, including external charge pumps and capacitors, remains within these limits. Failure to adhere could result in degraded data integrity or complete transceiver malfunction.
How does the receiver hysteresis of 140 mV in the ADM3307EACPZ affect noise immunity in long-cable RS232 applications?
With a receiver hysteresis of 140 mV, the ADM3307EACPZ provides robust noise rejection by preventing false triggering from transient disturbances on the RX line. This threshold helps maintain stable communication over longer cables where signal attenuation and induced noise are more prevalent. In contrast, lower hysteresis devices may oscillate under similar conditions, leading to data corruption. For cables exceeding 15 meters, this feature becomes particularly valuable in ensuring deterministic UART-to-RS232 translation without additional filtering.
Can the ADM3307EACPZ be used in full-duplex communication with multiple peripherals without bus contention issues?
Yes, the ADM3307EACPZ supports full-duplex operation with five drivers and three receivers, enabling simultaneous bidirectional communication. However, care must be taken to manage enable/disable timing if interfacing with multiple slave devices sharing the same RS232 bus. Since each driver has independent control, proper firmware sequencing is required to avoid contention during mode transitions. This design approach is common in multi-drop industrial sensor networks where one master communicates with several sensors via RS232.
What impact does the 920 kbps data rate have on system latency in real-time control loops using the ADM3307EACPZ?
At 920 kbps, the ADM3307EACPZ supports frame sizes typical of 8N1 UART packets up to approximately 1,150 bytes per second. For small command-response exchanges (e.g., < 32 bytes), round-trip latency remains below 300 µs, which is acceptable for many real-time monitoring tasks. However, in high-frequency control loops requiring sub-millisecond response, this rate may become a bottleneck. Designers should evaluate protocol efficiency and consider reducing overhead or upgrading to higher-speed interfaces like SPI or CAN if deterministic timing is critical.
How does the 32-LFCSP-WQ package influence PCB layout and thermal management for the ADM3307EACPZ?
The 32-pin LFCSP-WQ (5x5 mm) package enables compact board designs, ideal for space-constrained applications such as handheld instruments or IoT gateways. However, its small footprint requires careful attention to solder joint reliability and thermal dissipation due to limited exposed pad exposure. Proper via stitching under the exposed pad and adherence to IPC-7351 land patterns are essential. Thermal vias should connect the pad to internal ground planes to prevent localized heating during prolonged transmission bursts, especially at maximum data rates.
Is the ADM3307EACPZ compatible with 5V microcontroller GPIO levels when used in mixed-voltage systems?
No, the ADM3307EACPZ accepts only 2.7V to 3.6V on its VCC pin and cannot tolerate 5V logic directly. While some RS232 transceivers include 5V-tolerant inputs, this device does not. Therefore, level shifting—either through dedicated logic buffers or open-drain configurations—is necessary when interfacing with 5V microcontrollers. Using it without isolation risks damaging the IC if VCC is absent during input assertion.
What distinguishes the ADM3307EACPZ from the standard ADM3307 in terms of electrical characteristics?
The ADM3307EACPZ includes enhanced ESD protection and improved noise margins compared to the base ADM3307, making it better suited for electrically noisy environments. It also features tighter hysteresis specifications (140 mV vs. typical 200–300 mV in earlier versions), enhancing noise immunity. These refinements justify its use in industrial automation where EMI from motors or switching power supplies can corrupt serial links unless robust signaling is ensured.
How should decoupling capacitors be selected for stable operation of the ADM3307EACPZ in high-speed data transmission?
A 0.1 µF ceramic capacitor placed within 1 mm of the VCC and GND pins is recommended to suppress high-frequency transients generated by the internal charge pumps. Additionally, a 10 µF tantalum or ceramic capacitor near the power entry point helps stabilize bulk supply regulation. These values align with Analog Devices’ recommendations for full-duplex RS232 transceivers and ensure minimal voltage droop during rapid TX/RX transitions, preserving signal integrity up to 920 kbps.
What considerations apply when cascading multiple ADM3307EACPZ devices in a distributed sensor network?
When connecting multiple ADM3307EACPZ units across separate PCBs, ensure that ground potentials remain aligned to avoid ground loops that can induce common-mode voltages beyond ±12V. Each device requires independent power domains unless isolated by optocouplers or digital isolators. Additionally, driver enable signals must be coordinated to prevent bus conflicts. This topology is feasible but increases complexity; alternatives like RS485 with differential signaling may offer superior noise performance and longer reach.
How does the MSL 3 classification of the ADM3307EACPZ affect storage and assembly processes in mass production?
As an MSL 3 component, the ADM3307EACPZ can withstand up to 168 hours of exposure to ambient humidity before requiring bake-out prior to reflow. Manufacturers must track time since removal from moisture barrier bags and follow JEDEC J-STD-020 guidelines. Skipping pre-bake steps can lead to popcorn cracking during soldering, particularly in lead-free processes with peak temperatures above 245°C. Proper handling minimizes yield loss in high-volume production lines.
What are the implications of using the ADM3307EACPZ in battery-powered applications regarding quiescent current?
Although the datasheet does not specify exact quiescent current, similar Analog Devices RS232 transceivers consume typically under 3 mA at 3V. Assuming conservative 4 mA average draw, a 3.3V 100 mAh lithium battery would support continuous operation for ~68 hours—reasonable for intermittent logging devices. However, designers should verify actual consumption under expected load conditions and consider shutdown modes if available, though the ADM3307EACPZ lacks explicit sleep functionality.
Can the ADM3307EACPZ drive capacitive loads beyond the standard 500 pF specified in typical RS232 standards?
The ADM3307EACPZ is rated for capacitive loads up to 500 pF per channel, which exceeds the RS232 specification of 2500 pF total but limits practical cable lengths. Driving heavier loads may cause rise/fall time degradation and increased EMI emissions. For cables longer than 10 meters, active line drivers or RS485 transceivers are preferable. If RS232 compatibility is mandatory, keep total load capacitance below 300 pF to maintain signal fidelity at 920 kbps.
How does the RoHS3 compliance of the ADM3307EACPZ influence global regulatory adherence in consumer and medical electronics?
RoHS3 compliance confirms that the ADM3307EACPZ contains no restricted substances above threshold limits, including phthalates and cadmium. This simplifies certification for products targeting EU markets under the latest RoHS directives. Medical devices relying on serial communication interfaces benefit from this assurance, as traceability and material reporting are standardized. Distributors often mislabel RoHS status, so verifying through official documentation remains prudent.
What precautions are necessary when routing differential pairs alongside the ADM3307EACPZ on a shared PCB layer?
Although the ADM3307EACPZ uses single-ended RS232 signaling, adjacent traces such as UART TX/RX should be routed with controlled impedance and matched lengths to minimize crosstalk. Avoid running high-speed digital lines parallel to RS232 drivers for more than 5 mm. Ground planes beneath the package reduce radiation, and shielding cans may be needed in sensitive analog subsystems. Layout symmetry around the transceiver aids in maintaining consistent propagation delays.
How does the absence of integrated termination resistors in the ADM3307EACPZ affect impedance matching in legacy serial links?
Unlike some modern transceivers, the ADM3307EACPZ provides no internal termination for RS232 lines. Termination resistors (typically 1 kΩ to 10 kΩ) must be added externally near the receiver end to dampen reflections in long unshielded cables. Without them, signal ringing can distort data edges, increasing bit error rates. This requirement persists even with short connections due to the inductive nature of twisted-pair wiring and connector parasitics.
What role does the exposed pad play in grounding and thermal performance of the ADM3307EACPZ?
The exposed pad serves dual purposes: it connects directly to the device’s internal ground plane and acts as a heat spreader. Soldering it to a solid copper area on the PCB enhances both electrical continuity and thermal conductivity. This connection lowers junction-to-board thermal resistance, helping dissipate heat from internal charge pump circuits during sustained transmission. Neglecting this connection increases risk of overheating and premature failure in continuous-use scenarios.
In what scenarios would the ADM3307EACPZ outperform alternative RS232 transceivers like the MAX3232 or SP3238E?
The ADM3307EACPZ offers advantages in ultra-low-voltage systems due to its 2.7V minimum supply, whereas MAX3232 requires 3.0V minimum. Its higher data rate (920 kbps vs. 120 kbps) makes it preferable for fast telemetry applications. Combined with better hysteresis and proven industrial-grade reliability, it suits next-generation portable test equipment and battery-operated gateways where efficiency and speed outweigh cost concerns. However, legacy designs may still favor MAX3232 for its widespread availability and integrated charge pumps.
How should fault detection be implemented when using the ADM3307EACPZ in mission-critical communication paths?
While the ADM3307EACPZ lacks built-in diagnostic features like loopback testing, external monitoring can detect faults through software handshake failures or timeout mechanisms. Implementing watchdog timers on the MCU side and validating CRCs in higher-layer protocols adds resilience. Physical layer supervision—such as detecting stuck-high or stuck-low states via periodic strobe checks—can also identify driver/receiver failures. These layers of defense compensate for the lack of hardware diagnostics in basic RS232 transceivers.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADM3307EACPZ

Product Attribute ADM3307EACPZ-REEL ADM3307EACPZ-REEL7 ADM3307EACP-REEL7 ADM3307EARUZ-REEL7
Part Number ADM3307EACPZ-REEL ADM3307EACPZ-REEL7 ADM3307EACP-REEL7 ADM3307EARUZ-REEL7
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Type - - - -
Data Rate - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Number of Drivers/Receivers - - - -
Duplex - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Protocol - - - -
Voltage - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Receiver Hysteresis - - - -

ADM3307EACPZ Datasheet PDF

Download ADM3307EACPZ pdf datasheets and Analog Devices Inc. documentation for ADM3307EACPZ - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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ADM3307EACPZ Image

ADM3307EACPZ

Analog Devices Inc.
32D-ADM3307EACPZ

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

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