LTC2634HUD-HMI12#PBF

$6.59

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

SKU:170fa2fb374d 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：4.8µs (Typ)
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：SPI
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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LTC2634HUD-HMI12#PBF

Overview

The LTC2634HUD-HMI12#PBF is a quad 12-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 temperature range, and communicates via a 50MHz SPI/MICROWIRE compatible 3-wire serial interface. It incorporates a power-on reset circuit that sets outputs to mid-scale in internal reference mode.

Feature Summary

Quad 12-bit resolution with ±2.5 LSB maximum integral nonlinearity error
Integrated 4.096V full-scale precision reference with 10ppm/°C drift
Rail-to-rail output buffers with ultralow crosstalk (2.4nV•s)
Power-on reset to mid-scale in internal reference mode

Applications

Mobile communications
Process control and industrial automation
Automatic test equipment
Portable equipment
Automotive systems

Procurement Notes

Verify the specific H-grade automotive temperature rating (-40°C to 125°C) and the HMI12 suffix configuration for mid-scale power-on reset. Confirm package integrity for the 16-lead QFN form factor. Ensure compatibility with the required 4.5V to 5.5V supply voltage range for specified performance.

Selection Notes

Select this part when a quad DAC with high accuracy and wide operating temperature is required. The H-grade variant supports higher supply voltages compared to the L-grade. The HMI12 suffix ensures the outputs initialize to mid-scale upon power-up, which may be necessary for specific system initialization sequences involving downstream active circuits.

Part Context

This component belongs to the LTC2634 family of quad DACs available in 12-, 10-, and 8-bit resolutions. The HUD suffix indicates a 16-lead QFN package. The HMI12 designation specifies the 12-bit resolution, 4.096V internal reference, and mid-scale power-on reset behavior within internal reference mode.