LTC2637HDE-LZ8#TRPBF

$4.60

Description：IC DAC 8BIT V-OUT 14DFN
Series：-

SKU:506ebaf12cbf Category: Digital to Analog Converters (DAC) Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC DAC 8BIT V-OUT 14DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Number of Bits：8
Number of D/A Converters：8
Settling Time：3.5µs (Typ)
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：I2C
Reference Type：External, Internal
Voltage - Supply, Analog：2.7V ~ 5.5V
Voltage - Supply, Digital：2.7V ~ 5.5V
INL/DNL (LSB)：±0.05, ±0.5 (Max)
Architecture：-
Operating Temperature：-40°C ~ 125°C
Package / Case：14-WFDFN Exposed Pad
Supplier Device Package：14-DFN (4x3)
Mounting Type：Surface Mount

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LTC2637HDE-LZ8#TRPBF

Overview

The LTC2637HDE-LZ8#TRPBF is an octal 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices Inc. It features an integrated precision reference with a full-scale output of 4.096V and a temperature coefficient of 10ppm/°C. The device operates on a single 4.5V to 5.5V supply and utilizes a 2-wire I2C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. It includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C automotive temperature range, and a power-on reset circuit configured to zero-scale in internal reference mode.

Feature Summary

Octal architecture with eight independent 8-bit DAC channels
Integrated 4.096V precision reference with ±10ppm/°C drift
Rail-to-rail buffered outputs with ultralow crosstalk (<3nV•s)
Automotive grade operation from –40°C to 125°C

Applications

Process control and industrial automation systems
Automatic test equipment requiring multi-channel output
Portable battery-powered instrumentation
Optical networking signal generation

Procurement Notes

Verify the #TRPBF suffix indicates a tape and reel packaging format containing 2500 pieces. Confirm the H-grade designation matches the required 4.5V to 5.5V supply range and automotive temperature specifications for the target application environment.

Selection Notes

Select this part when eight isolated voltage outputs are required within a compact footprint. The H-grade variant is necessary for applications demanding a 4.096V full-scale range and operation above 85°C. Ensure the system power supply remains within the 4.5V to 5.5V window to maintain specified linearity and performance metrics.

Part Context

This component belongs to the LTC2637 family, which offers 8-bit, 10-bit, and 12-bit resolution options. The DE package denotes the 14-lead DFN form factor. Other variants include the L-grade for lower voltage operation and MSOP packages for different board space constraints.