AD7243AN

Description：IC DAC 12BIT V-OUT 16DIP
Series：DACPORT®

SKU:7f37f6c09aed 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 16DIP
Series：DACPORT®
Mfr：Analog Devices Inc.
Package：Tube
Number of Bits：12
Number of D/A Converters：1
Settling Time：10µs
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：SPI
Reference Type：External, Internal
Voltage - Supply, Analog：±10.8V ~ 16.5V
Voltage - Supply, Digital：-
INL/DNL (LSB)：±1 (Max), ±0.9 (Max)
Architecture：R-2R
Operating Temperature：-40°C ~ 85°C
Package / Case：16-DIP (0.300", 7.62mm)
Supplier Device Package：16-PDIP
Mounting Type：Through Hole

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AD7243AN

Overview

The AD7243 is a monolithic 12-bit voltage output digital-to-analog converter featuring an on-chip buffered Zener voltage reference and a CMOS output amplifier. It supports single or dual supply operation, providing selectable unipolar ranges of 0 V to +5 V or 0 V to +10 V, and a bipolar range of ±5 V with dual supplies. The device utilizes a versatile serial interface compatible with microcomputers and DSPs, supporting data rates up to 5 MHz for a DAC update rate of 300 kHz. Key static performance metrics include a maximum relative accuracy of ±1 LSB (Grade A) and a settling time of 10 µs max.

Feature Summary

Integrated 5 V buried Zener reference and buffered output amplifier
Three selectable output ranges: 0–5 V, 0–10 V, and ±5 V
Serial interface with daisy-chain capability via SDO output
CLR function for power-on reset to known voltage state

Applications

Process control systems
Industrial automation equipment
Digital signal processing input/output ports

Procurement Notes

Verify the specific grade suffix (A, B, or S) against the required operating temperature range and accuracy specifications. Grade A and B operate from -40°C to +85°C, while Grade S operates from -55°C to +125°C. Confirm package availability in DIP-16 or SOIC-16 formats as needed for the design.

Selection Notes

Select based on required output voltage range and supply configuration. The 0 V to +10 V unipolar range requires VDD ≥ +14.25 V. Dual supplies are mandatory for the ±5 V bipolar range. Ensure the system reference voltage is within the 4.95 V to 5.05 V range for specified performance if using the internal reference.

Part Context

The AD7243 belongs to Analog Devices' DACPORT family, fabricated on LC2MOS technology. It serves as a complete single-chip solution for 12-bit conversion, eliminating the need for external trimming or multiple discrete components typically required in multichip designs.