LTC2635HUD-HZ12#PBF

$6.59

Description：IC DAC 12BIT V-OUT 16QFN
Series：-

SKU:0c6b142ccd80 Category: Digital to Analog Converters (DAC) Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC DAC 12BIT V-OUT 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：12
Number of D/A Converters：4
Settling Time：5µs (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)：±1, ±1 (Max)
Architecture：-
Operating Temperature：-40°C ~ 125°C
Package / Case：16-WFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)
Mounting Type：Surface Mount

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LTC2635HUD-HZ12#PBF

Overview

The LTC2635HUD-HZ12#PBF is a quad 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in a 16-lead plastic QFN package. 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 communicates via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes.

Feature Summary

Quad 12-bit resolution with maximum INL error of ±2.5 LSB
Integrated 4.096V full-scale reference with 10ppm/°C drift
Automotive temperature grade (-40°C to 125°C)
Power-on reset options including zero-scale, mid-scale, or high-impedance

Applications

Process control and industrial automation
Portable equipment
Automotive systems

Procurement Notes

Verify that the H suffix confirms the automotive temperature range and 4.5V minimum supply requirement. Confirm the UD suffix corresponds to the 16-pin QFN package and the Z suffix indicates power-on reset to zero-scale. Ensure the #PBF designation matches lead-free specifications for the target assembly process.

Selection Notes

Select this part when a 4.096V internal reference is required for 12-bit accuracy in harsh environments. The H-grade variant necessitates a supply voltage of at least 4.5V, unlike the L-grade which supports 2.7V. Verify that the I²C address configuration pins (CA0-CA2) can be set to avoid bus conflicts in multi-DAC designs.

Part Context

This component belongs to the LTC2635 family of quad DACs. The specific HUD-HZ12 designation identifies the 12-bit resolution, 4.096V internal reference (H), 16-pin QFN package (UD), and zero-scale power-on reset (Z). Other variants include the L-series for 2.5V outputs and different reset configurations like M (mid-scale).