LTC2635CUD-HMI8#PBF

$2.98

Description：IC DAC 8BIT V-OUT 16QFN
Series：-

SKU:71a4c37ada2c 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 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：8
Number of D/A Converters：4
Settling Time：3.9µs (Typ)
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：I2C
Reference Type：External, Internal
Voltage - Supply, Analog：5V
Voltage - Supply, Digital：5V
INL/DNL (LSB)：±0.05, ±0.5 (Max)
Architecture：-
Operating Temperature：0°C ~ 70°C
Package / Case：16-WFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)
Mounting Type：Surface Mount

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LTC2635CUD-HMI8#PBF

Overview

The LTC2635CUD-HMI8#PBF is a quad 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 4.096V and operates on a single 4.5V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C automotive temperature range, and low noise performance. Communication is handled via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. A power-on reset circuit defaults outputs to mid-scale in internal reference mode.

Feature Summary

Quad 8-Bit DACs with Integrated Precision Reference
4.096V Full-Scale Output with ±10ppm/°C Drift
Rail-to-Rail Output Buffers and Guaranteed Monotonicity
I²C Interface with Power-On Reset to Mid-Scale

Applications

Process Control and Industrial Automation
Power Supply Margining
Automotive Systems

Procurement Notes

Verify the specific suffix #PBF indicates lead-free construction and CUD denotes the 16-pin QFN package. Confirm the H-grade specification for the 4.5V to 5.5V operating range and automotive temperature rating. Ensure the MI suffix matches the required mid-scale power-on reset behavior for the internal reference configuration.

Selection Notes

Select this part when a quad 8-bit resolution is sufficient for applications requiring a 4.096V span. The H-grade variant is necessary for supplies between 4.5V and 5.5V. Verify that the I²C address pins (CA0-CA2) can be configured to avoid bus conflicts. Consider the 16-pin QFN package constraints if thermal management or PCB space is limited.

Part Context

This component belongs to the LTC2635 family, which offers 12-, 10-, and 8-bit resolutions. The 'H' designation specifies the 4.096V full-scale version, while 'L' variants provide 2.5V. The 'CUD' package code identifies the 16-lead plastic QFN form factor. Other suffixes like 'Z' or 'MO' alter the power-on reset state to zero-scale or high-impedance respectively.