LTC2637IDE-HMI12#PBF

$11.26

Description：IC DAC 12BIT V-OUT 14DFN
Series：-

SKU:ee990c42ccce 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 14DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：12
Number of D/A Converters：8
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 ~ 85°C
Package / Case：14-WFDFN Exposed Pad
Supplier Device Package：14-DFN (4x3)
Mounting Type：Surface Mount

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LTC2637IDE-HMI12#PBF

Overview

The LTC2637IDE-HMI12#PBF is an octal 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 a temperature coefficient of 10ppm/°C. The device operates on a single 4.5V to 5.5V supply and communicates via a 2-wire I2C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. It includes rail-to-rail output buffers, double-buffered data latches, and a power-on reset circuit configured to reset to mid-scale in internal reference mode.

Feature Summary

Octal architecture with 12-bit resolution and ±2.5 LSB maximum INL error
Integrated 4.096V full-scale reference with 10ppm/°C drift
Rail-to-rail output buffers guaranteed monotonic over –40°C to 85°C
Ultralow DAC-to-DAC crosstalk (<3nV•s) and glitch impulse (3nV•s)

Applications

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

Procurement Notes

Verify the specific ordering suffixes for package type (MSOP), temperature grade (I), and power-on reset configuration (MI). Confirm that the required supply voltage range aligns with the 4.5V to 5.5V specification for the H-grade variant. Ensure I2C bus pull-up resistors are correctly sized for the desired clock frequency.

Selection Notes

Select this part when eight independent 12-bit channels are required in a compact footprint. The H-grade designation indicates operation from 4.5V to 5.5V with a 4.096V internal reference. Compare settling times and noise specifications against other resolutions if channel count or precision requirements differ.

Part Context

This component belongs to the LTC2637 family, which offers 12-, 10-, and 8-bit resolutions in 14-lead DFN and 16-lead MSOP packages. Variants include L-grade (2.5V FS, 2.7V–5.5V supply) and H-grade (4.096V FS, 4.5V–5.5V supply). The 'I' suffix denotes the industrial temperature range of –40°C to 85°C.