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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Digital to Analog Converters (DAC)DAC5674IPHP
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DAC5674IPHP - Texas Instruments

Manufacturer Part Number
DAC5674IPHP
Manufacturer
Texas Instruments
Allelco Part Number
32D-DAC5674IPHP
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,198 pcs available, New & Original
Parts Description
IC DAC 14BIT A-OUT 48HTQFP
Package
48-HTQFP (7x7)
Data sheet
DAC5674IPHP.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 6198
  • Unit Price: $20.11
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $20.11 $20.11
250+ $7.78 $1,945.00
500+ $7.51 $3,755.00
1000+ $7.38 $7,380.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

DAC5674IPHP Tech Specifications
Texas Instruments - DAC5674IPHP technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - DAC5674IPHP

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply, Digital 1.65V ~ 1.95V
Voltage - Supply, Analog 3V ~ 3.6V
Supplier Device Package 48-HTQFP (7x7)
Settling Time 20ns (Typ)
Series CommsDAC™
Reference Type External, Internal
Package / Case 48-PowerTQFP
Package Tray
Output Type Current - Unbuffered
Product Attribute Attribute Value
Operating Temperature -55°C ~ 125°C
Number of D/A Converters 1
Number of Bits 14
Mounting Type Surface Mount
INL/DNL (LSB) ±3.5 (Max), ±2 (Max)
Differential Output Yes
Data Interface Parallel
Base Product Number DAC5674
Architecture Current Source

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

Manufacturer Part Number

DAC5674IPHP

Manufacturer

Texas Instruments

Introduction

High-speed, 14-bit digital-to-analog converter from Texas Instruments’ CommsDAC™ series.

Product Features and Performance

14-bit resolution

Single D/A converter

Fast settling time of 20ns typical

Unbuffered current output

Differential output support

Parallel data interface

External and internal reference options

High INL/DNL accuracy of ±3.5 (Max), ±2 (Max)

Current Source architecture

Wide operating temperature range (-55°C to 125°C)

Product Advantages

Precision data conversion

Robust performance in extreme temperatures

Flexible reference voltage sourcing

Suitable for high-speed applications

Key Technical Parameters

Number of Bits: 14

Settling Time: 20ns (Typ)

Output Type: Current - Unbuffered

Differential Output: Yes

Data Interface: Parallel

Reference Type: External, Internal

Voltage - Supply, Analog: 3V ~ 3.6V

Voltage - Supply, Digital: 1.65V ~ 1.95V

INL/DNL (LSB): ±3.5 (Max), ±2 (Max)

Operating Temperature: -55°C ~ 125°C

Quality and Safety Features

Designed for demanding environments with a wide operational temperature range

Compatibility

Standard surface mount 48-PowerTQFP package compatible with standard PCB technology

Application Areas

Telecommunications

Medical imaging

Digital signal processing

Test equipment

Industrial automation

Product Lifecycle

Active product with ongoing manufacturing and support

Availability of upgrades or direct replacements to be determined based on manufacturer's future product strategy

Several Key Reasons to Choose This Product

High precision for critical applications

Fast data processing capability with quick settling time

Operational across a broad range of temperatures for high reliability

Versatile interface compatible with various industrial standards

Renowned manufacturer with a reputation for quality and support

Frequently Asked Questions(FAQ)

What are the key electrical specifications for the DAC5674IPHP that impact high-speed data acquisition system design?
The DAC5674IPHP operates with a 14-bit resolution and features a settling time of 20ns (typical), enabling precise analog output transitions in high-speed applications. It uses an unbuffered current output architecture, which requires external components for signal conditioning but allows direct interfacing with differential loads. The device supports dual supply rails: analog supplies from 3V to 3.6V and digital supplies from 1.65V to 1.95V, allowing flexible power management in mixed-signal systems. Its INL is specified at ±3.5 LSB maximum, while DNL does not exceed ±2 LSB, indicating consistent monotonic behavior suitable for linear signal reconstruction.
How does the DAC5674IPHP compare to other 14-bit DACs in terms of interface flexibility and integration requirements?
Unlike serial-interface DACs such as the DAC8830, the DAC5674IPHP uses a parallel data interface, which simplifies timing control in FPGA or ASIC-based systems but increases pin count. This makes it ideal for applications where throughput and deterministic latency are prioritized over board space. Compared to integrated reference and output amplifier solutions, the DAC5674IPHP requires external reference and op-amp stages due to its unbuffered current output, offering greater design flexibility but demanding more external circuitry for full signal chain implementation.
What considerations should be made when selecting a reference voltage for the DAC5674IPHP to ensure optimal linearity performance?
The DAC5674IPHP supports both internal and external references, but using an external precision reference is recommended for applications requiring tight gain accuracy. Since INL is within ±3.5 LSB, a reference with low drift (<10 ppm/°C) and low noise (<1 µVpp) helps maintain linearity across temperature extremes. When operating near the full-scale range, mismatch between the reference and the DAC’s internal ladder can introduce nonlinearity; therefore, matching the reference impedance and ensuring stable decoupling is critical, especially in systems with dynamic load conditions.
What are the implications of the DAC5674IPHP’s unbuffered current output architecture in practical circuit design?
The unbuffered current output means the DAC drives only a low-impedance node directly, necessitating an external transimpedance amplifier or current-to-voltage converter to produce a usable voltage signal. While this adds one stage to the signal path, it allows independent optimization of the output filter and gain stages. In high-speed applications, care must be taken to minimize parasitic capacitance at the output node to preserve the 20ns settling time, and layout techniques such as guard rings and controlled impedance traces are advised to prevent signal integrity degradation.
How does the DAC5674IPHP support high-temperature operation in industrial and automotive environments?
With an extended operating temperature range of -55°C to 125°C, the DAC5674IPHP is suitable for harsh environments including downhole instrumentation, military avionics, and automotive radar systems. However, thermal performance depends on proper PCB layout and heat dissipation, particularly under continuous full-load operation. Users should verify reference stability and op-amp biasing conditions at elevated temperatures, as component drift outside the datasheet limits can degrade effective resolution and dynamic performance.
What trade-offs exist between using the internal versus external reference in the DAC5674IPHP?
The internal reference offers simplicity and reduced BOM count but may exhibit higher long-term drift and lower initial accuracy compared to precision external references. For the DAC5674IPHP, enabling the internal reference sets a default voltage level that affects full-scale output, so calibration routines may be required to correct offset errors. In contrast, an external reference allows tighter control over output range and improves system-level accuracy, making it preferable in precision measurement or communication systems where traceability matters.
Can the DAC5674IPHP drive capacitive loads directly, and what are the consequences of doing so?
No, the DAC5674IPHP’s unbuffered current output is not designed to drive capacitive loads directly. Attempting to do so without isolation can lead to instability, oscillation, or degraded settling time due to feedback loop interaction through stray capacitance. A series resistor (typically 10–100 Ω) followed by a buffer amplifier is commonly used to isolate the DAC from capacitive loads, preserving transient response and preventing excessive current demand during switching events.
How does the DAC5674IPHP’s package choice affect thermal and signal integrity in compact designs?
The 48-pin HTQFP (7x7 mm) package provides adequate thermal conductivity for moderate power dissipation but requires careful thermal management in dense layouts. Its small size benefits space-constrained applications like portable test equipment, but high-frequency signals routed on adjacent layers must avoid crosstalk into sensitive analog paths. The exposed pad on the underside aids heat spreading but must be properly soldered and connected to a ground plane to ensure mechanical reliability and thermal performance in high-temperature operation.
What role does the CommsDAC™ series play in the context of the DAC5674IPHP’s intended use cases?
As part of Texas Instruments’ CommsDAC™ family, the DAC5674IPHP targets high-speed digital communication systems such as wireless base stations, software-defined radios, and optical transmission modules. These applications demand low jitter, fast settling, and precise amplitude control—features supported by the DAC’s architecture and interface design. Membership in this series implies optimized performance for synchronous data conversion tasks common in telecom infrastructure, though it does not inherently guarantee compatibility with all communication protocols without additional framing logic.
How does the DAC5674IPHP handle glitch energy during code transitions, and what impact does this have on RF systems?
Glitch energy—the unwanted transient spike during input code changes—is influenced by the DAC’s architecture and switching speed. Although not explicitly specified, the 20ns settling time and current-source design suggest relatively low glitch levels, but in RF upconversion applications, even minor glitches can generate spurious emissions. To mitigate this, users often insert dead-time control in the firmware or use glitch-erasing techniques such as delayed update modes, ensuring that the analog output stabilizes before being enabled in the signal path.
What are the recommended bypassing and grounding practices for the DAC5674IPHP to maintain ADC/DAC coherency in mixed-signal systems?
Separate analog and digital power supplies should be routed with star-point grounding to prevent digital noise coupling into the analog section. Each supply rail requires local decoupling capacitors: 0.1 µF ceramic near the pins, plus bulk capacitance (e.g., 10 µF tantalum) for the analog supply. The 1.8V digital supply should also include a ferrite bead if noise from the digital domain risks modulating the analog core. Ground planes should be solid and unbroken under the DAC, with minimal vias to avoid impedance discontinuities that could degrade timing margins.
Is the DAC5674IPHP suitable for direct drive of speaker loads, and why or why not?
No, the DAC5674IPHP is not intended for driving speaker loads. Its unbuffered current output lacks the voltage swing capability, power handling, and protection mechanisms needed for audio amplification. Driving reactive loads like speakers would require significant external buffering, power stage, and possibly feedback compensation, introducing distortion and risk of damage. Instead, it is designed for intermediate signal generation in precision instrumentation or communication chains, not final-stage audio reproduction.
How does the DAC5674IPHP’s DNL specification affect monotonicity in multi-channel synchronization scenarios?
A DNL of ±2 LSB maximum ensures monotonic behavior, meaning the output increases with increasing input codes without missing steps. This is essential in multi-DAC synchronization systems where relative channel alignment determines beamforming accuracy or waveform fidelity. If DNL exceeded +1 LSB, step skipping could occur, causing discontinuities in summed outputs. For the DAC5674IPHP, the guaranteed monotonicity simplifies calibration and reduces risk of phase distortion in phased-array systems relying on precise amplitude matching across channels.
What precautions should be taken when cascading multiple DAC5674IPHP devices for higher resolution or parallel output?
Cascading multiple DAC5674IPHP units requires careful attention to timing skew, clock distribution, and synchronization triggers. Since each device has independent settling characteristics, asynchronous updates can create transient mismatches in summed outputs. Using a common strobe signal and minimizing propagation delays across parallel data lines helps maintain alignment. Additionally, power sequencing must avoid glitches during enable transitions, and thermal gradients between chips should be minimized to preserve relative accuracy in analog summation stages.
How does the DAC5674IPHP support compliance with international regulatory standards in commercial and industrial deployments?
The DAC5674IPHP complies with RoHS3 and is classified as REACH unaffected, ensuring environmental safety and export eligibility in global markets. Its ECCN code (EAR99) indicates it is not subject to strict export controls under U.S. regulations, simplifying supply chain logistics. Compliance with HTSUS 8542.39.0001 confirms classification under semiconductor devices, facilitating customs clearance and import duty assessment in North America. These attributes make it viable for deployment in regulated industries including medical, aerospace, and telecommunications.
What is the significance of the MSL 3 rating for the DAC5674IPHP in assembly and handling workflows?
An MSL 3 rating means the DAC5674IPHP is sensitive to moisture and requires baking before reflow if stored beyond 168 hours above ambient humidity. Proper handling includes dry packaging storage and adherence to IPC-J-STD-033 for desiccant and humidity indicator card usage. Failure to follow these guidelines can lead to popcorning during soldering, causing internal delamination and catastrophic failure. Facilities assembling the device should implement standard ESD and moisture control protocols to preserve reliability throughout manufacturing.
How does the DAC5674IPHP’s architecture influence its suitability for pulse-code modulated (PCM) data streams?
The parallel interface and fast settling time make the DAC5674IPHP well-suited for PCM data streams such as those used in TDM communication systems. It can accept full-word updates synchronously with a clock edge, enabling deterministic conversion timing. However, since there is no built-in interpolation or filtering, the output bandwidth is limited by the 20ns settling time, which corresponds roughly to a 25 MHz bandwidth. For oversampled signals, external digital filters or pre-processing are necessary to avoid aliasing and improve spectral purity.
What design considerations arise when integrating the DAC5674IPHP into a system with an external delta-sigma modulator?
When interfacing the DAC5674IPHP to a delta-sigma modulator or similar high-resolution source, care must be taken to match output levels and avoid overdriving the analog supply. Since the DAC generates a current output, level shifting and attenuation may be required depending on the modulator’s input range. Additionally, the DAC’s 14-bit resolution may limit effective system SNR if the upstream modulator provides finer granularity; thus, bit allocation and dithering strategies should be evaluated to optimize overall signal fidelity.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments DAC5674IPHP

Product Attribute DAC5674IPHPG4 DAC5674IPHPRG4 DAC5674IPHPR DAC5675AIPHPR
Part Number DAC5674IPHPG4 DAC5674IPHPRG4 DAC5674IPHPR DAC5675AIPHPR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply, Digital - 1.14V ~ 1.26V 11.4V ~ 16.5V 1.65V ~ 3.6V
Number of Bits - 16 8 14
Architecture - Current Source R-2R Pipelined
Differential Output - Yes No -
Number of D/A Converters - 4 4 -
INL/DNL (LSB) - ±4, ±2 ±1 (Max), ±1 (Max) -
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply, Analog - 3.14V ~ 3.46V 11.4V ~ 16.5V 3V ~ 3.6V
Series - - - -
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)
Settling Time - 10ns (Typ) 4.5µs -
Reference Type - External, Internal External External, Internal

DAC5674IPHP Datasheet PDF

Download DAC5674IPHP pdf datasheets and Texas Instruments documentation for DAC5674IPHP - Texas Instruments.

HTML Datasheet
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
Qualification Mold Compound 30/Sep/2014.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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Texas Instruments

DAC5674IPHP

Texas Instruments
32D-DAC5674IPHP

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

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