LTC2642CDD-12#PBF

$8.29

Description：IC DAC 12BIT V-OUT 10DFN
Series：-

SKU:36b9646a82ee 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 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：12
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 (Max), ±0.5 (Max)
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-12#PBF

Overview

The LTC2642CDD-12#PBF is a 12-bit unbuffered voltage output digital-to-analog converter (DAC) from Analog Devices. It operates on a single 2.7V to 5.5V supply with a typical supply current of 120µA. The device features a 3-wire SPI/Microwire compatible serial interface supporting clock rates up to 50MHz. Key electrical specifications include a settling time of 1µs to ±0.5LSB, a glitch impulse of 0.5nV·sec, and an SNR of 92dB. It is housed in a 10-lead 3mm × 3mm DFN package and is guaranteed monotonic over temperature.

Feature Summary

12-bit resolution with ±0.5LSB INL/DNL error
Low power consumption: 120µA typical supply current
Fast settling time: 1µs to 0.5LSB accuracy
Integrated bipolar scaling resistors for external amplifier configuration

Applications

Process control and industrial automation
Automatic test equipment
Data acquisition systems

Procurement Notes

Verify the specific suffix #PBF indicates lead-free finish and RoHS compliance as per manufacturer standards. Confirm the C grade corresponds to the commercial operating temperature range of 0°C to 70°C. Ensure the DDD package designation matches the 10-lead 3mm × 3mm DFN footprint required for the design.

Selection Notes

Select this model for applications requiring bipolar output capability via an external op-amp, utilizing the internal RFB and INV pins. For unipolar operation, tie RFB and INV to REF. Consider the 12-bit resolution if system requirements do not necessitate the higher precision of the 14-bit or 16-bit variants within the same family.

Part Context

This component belongs to the LTC2641/LTC2642 family of low-power DACs. The LTC2642 variant specifically supports bipolar output configurations through matched internal scaling resistors, whereas the LTC2641 is strictly unipolar. Both share identical pinouts for their respective packages and serial interface protocols.

Replacement Considerations

LTC2642CDD-14#PBF offers 14-bit resolution with similar power and package characteristics. LTC2642CDD-16#PBF provides 16-bit resolution. For unipolar-only applications, the LTC2641CDD-12#PBF is functionally equivalent but lacks bipolar scaling resistors.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.