AD667SD

$212.19

Description：IC DAC 12BIT V-OUT 28CDIP
Series：-

SKU:30eef5c464a2 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 28CDIP
Series：-
Mfr：Analog Devices Inc.
Package：Bulk,Tube
Number of Bits：12
Number of D/A Converters：1
Settling Time：4µs
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：Parallel
Reference Type：External, Internal
Voltage - Supply, Analog：±11.4V ~ 16.5V
Voltage - Supply, Digital：-
INL/DNL (LSB)：±0.125, ±0.25
Architecture：R-2R
Operating Temperature：-55°C ~ 125°C
Package / Case：28-CDIP (0.600", 15.24mm)
Supplier Device Package：28-CDIP
Mounting Type：Through Hole
Grade：-
Qualification：-

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AD667SD

Overview

The AD667SD is a microprocessor-compatible 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features a ceramic DIP-28 package and operates within an extended temperature range of -55°C to +125°C. The device provides a buffered voltage output with a typical settling time of 3 μs to ±0.01% FSR for full-scale changes using a 5 kΩ feedback resistor. It utilizes a parallel interface and includes an internal reference, drawing 8 mA from the positive supply and 20 mA from the negative supply.

Feature Summary

12-bit resolution with guaranteed monotonicity over the full temperature range
Extended industrial temperature specification: -55°C to +125°C
Internal low-noise buried Zener reference with ±0.2% initial accuracy
Double-buffered architecture supporting 8-bit, 12-bit, and 16-bit bus interfaces

Applications

High-precision instrumentation requiring wide temperature stability
Industrial process control systems
Military and aerospace data acquisition applications
Calibration equipment

Procurement Notes

Verify the specific suffix 'SD' corresponds to the Ceramic DIP (D-28) package and the -55°C to +125°C temperature grade when sourcing. Confirm RoHS compliance status as older military-grade variants may differ. Ensure power supply decoupling capacitors are connected directly between each supply pin and the analog ground pin to maintain specified performance.

Selection Notes

Select the AD667SD when operation beyond standard commercial limits (-40°C to +85°C) is required. The ceramic package offers superior thermal shock resistance compared to plastic variants. Note that the gain error temperature coefficient is ±30 ppm/°C; if tighter drift is needed, consider the AD667SE or AD667BD grades which offer ±15 ppm/°C.

Part Context

The AD667 series consists of laser-trimmed 12-bit DACs designed for microprocessor interfacing. The AD667SD represents the high-reliability ceramic variant within this family, distinguished by its wider operating temperature range compared to the AD667AD (commercial) and AD667BD (industrial) counterparts.