LTC2642CDD-16#PBF

$11.58

Description：IC DAC 16BIT V-OUT 10DFN
Series：-

SKU:3abb4a44172d Category: Digital to Analog Converters (DAC) Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC DAC 16BIT V-OUT 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：16
Number of D/A Converters：1
Settling Time：1µs (Typ)
Output Type：Voltage - Unbuffered
Differential Output：No
Data Interface：SPI
Reference Type：External
Voltage - Supply, Analog：2.7V ~ 5.5V
Voltage - Supply, Digital：2.7V ~ 5.5V
INL/DNL (LSB)：±0.5, ±0.5
Architecture：R-2R
Operating Temperature：0°C ~ 70°C
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)
Mounting Type：Surface Mount

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LTC2642CDD-16#PBF

Overview

The LTC2642CDD-16#PBF is a 16-bit unbuffered voltage output digital-to-analog converter (DAC) from Analog Devices, housed in a 10-lead 3mm × 3mm DFN package. It operates on a single 2.7V to 5.5V supply with a typical current consumption of 120µA. The device features a 50MHz SPI/MICROWIRE compatible serial interface and guarantees monotonic operation over temperature. Key electrical specifications include ±0.5LSB DNL, ±1LSB INL, and a settling time of 1µs. It includes an internal power-on reset that sets the output to midscale upon initialization.

Feature Summary

16-bit resolution with ±0.5LSB DNL and ±1LSB INL
Low power consumption of 120µA at 2.7V to 5.5V
Fast 1µs settling time to 16 bits
Integrated bipolar scaling resistors for external amplifier configuration

Applications

High resolution offset and gain adjustment
Process control and industrial automation
Automatic test equipment
Data acquisition systems

Procurement Notes

Verify the specific suffix #PBF indicates lead-free packaging compliant with RoHS standards. Confirm the C grade corresponds to the commercial operating temperature range of 0°C to 70°C. Ensure the DDD package variant matches the required 10-lead DFN footprint for PCB layout compatibility.

Selection Notes

Select this model for applications requiring bipolar output capability via an external op-amp using the integrated RFB and INV pins. Choose the C grade for commercial environments; use the I grade for industrial temperatures (-40°C to 85°C). Ensure the load resistance exceeds 60kΩ to maintain linearity specifications due to the unbuffered output architecture.

Part Context

This component belongs to the LTC2641/LTC2642 family of low-power DACs. The LTC2642 variant specifically supports bipolar operation through matched internal scaling resistors, whereas the LTC2641 is strictly unipolar. Both share identical pinouts for the respective package types but differ in internal resistor networks for bipolar functionality.