LTC2641AIDD-16#PBF

$20.56

Description：IC DAC 16BIT V-OUT 8DFN
Series：-

SKU:6a2d5bac4078 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 8DFN
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：-40°C ~ 85°C
Package / Case：8-WFDFN Exposed Pad
Supplier Device Package：8-DFN (3x3)
Mounting Type：Surface Mount

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LTC2641AIDD-16#PBF

Overview

The LTC2641AIDD-16#PBF is a 16-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 current consumption of 120µA. The device features a 3-wire SPI/Microwire compatible serial interface supporting clock rates up to 50MHz. Key electrical specifications include ±1LSB INL and DNL over temperature, a settling time of 1µs to 16 bits, and a glitch impulse of 0.5nV·sec. It is housed in an 8-lead 3mm × 3mm DFN package and functions within an industrial temperature range of –40°C to +85°C.

Feature Summary

16-bit resolution with ±1LSB INL/DNL guaranteed over temperature
Low power consumption of 120µA with 2.7V to 5.5V single supply operation
Fast 1µs settling time and 0.5nV·sec glitch impulse
50MHz SPI/Microwire compatible serial interface with Schmitt-trigger inputs

Applications

Process control and industrial automation systems
Automatic test equipment
Data acquisition systems

Procurement Notes

Verify the specific ordering suffix 'IDD' confirms the industrial temperature grade (–40°C to +85°C) and the 'A' grade for ±1LSB linearity. Confirm the '#PBF' suffix indicates lead-free finish and RoHS compliance. Ensure the DFN-8 package matches the PCB footprint requirements, noting the exposed pad must be soldered to ground.

Selection Notes

Select this component for applications requiring high precision (±1LSB) in a compact 3mm × 3mm footprint. The unbuffered output requires loads greater than 60kΩ to maintain linearity; use an external buffer if driving lower impedances. Verify that the system interface supports the 3-wire synchronous protocol and that the reference voltage input range (2V to VDD) aligns with available reference sources.

Part Context

This part belongs to the LTC2641 family of 16-/14-/12-bit voltage output DACs. The 'A' designation specifies enhanced linearity performance compared to standard grades. The 'IDD' suffix denotes the industrial temperature range and DFN-8 packaging. It serves as a low-power alternative to buffered DACs in space-constrained embedded designs.