AD7846JP

$38.45

Description：IC DAC 16BIT V-OUT 28PLCC
Series：-

SKU:f97c5590d8df 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 28PLCC
Series：-
Mfr：Analog Devices Inc.
Package：Tube,Tube
Number of Bits：16
Number of D/A Converters：1
Settling Time：9µs
Output Type：Voltage - Buffered
Differential Output：No
Data Interface：Parallel
Reference Type：External
Voltage - Supply, Analog：±11.4V ~ 15.75V
Voltage - Supply, Digital：5V
INL/DNL (LSB)：±16 (Max), ±1 (Max)
Architecture：String DAC
Operating Temperature：0°C ~ 70°C
Package / Case：28-LCC (J-Lead)
Supplier Device Package：28-PLCC (11.51x11.51)
Mounting Type：Surface Mount

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AD7846JP

Overview

The AD7846JP is a 16-bit voltage output digital-to-analog converter (DAC) manufactured by Analog Devices Inc. using the LC2MOS process. It features a segmented architecture ensuring monotonicity over temperature, with an integral linearity error of ±2 LSBs. The device includes an on-chip output amplifier configurable for unipolar (0 V to +5 V or +10 V) or bipolar (±5 V or ±10 V) ranges via external resistors. It operates with analog supplies of ±11.4 V to ±15.75 V and a digital supply of 4.75 V to 5.25 V. Typical power dissipation is 100 mW. The J version supports an operating temperature range of 0°C to +70°C.

Feature Summary

16-bit resolution with guaranteed monotonicity over temperature
Microprocessor compatible interface with readback capability
Configurable unipolar or bipolar output ranges
Low power consumption (100 mW typical)

Applications

Closed-loop control systems
Automated test equipment (ATE)
Position measurement applications

Procurement Notes

Verify the specific package type required, as the AD7846 is available in plastic, ceramic, and PLCC packages. Confirm that the J suffix corresponds to the commercial temperature range (0°C to +70°C). Ensure supply voltages match the specified limits: VDD/VSS between ±11.4 V and ±15.75 V, and VCC between 4.75 V and 5.25 V.

Selection Notes

Select the AD7846 when 16-bit accuracy and monotonicity are critical. The segmented architecture minimizes non-monotonicity risks compared to R-2R structures. Consider the readback feature if system diagnostics or calibration routines are needed. For bipolar operation, ensure appropriate reference voltages (e.g., ±5 V) are available for VREF+ and VREF− inputs.

Part Context

The AD7846 is part of Analog Devices' high-precision DAC family. It utilizes a unique segmented design where four MSBs select segments from a resistor string, feeding a 12-bit DAC. This approach ensures 16-bit monotonicity without requiring tight matching of all 16 bits. The device is designed for applications requiring low glitch impulse and stable performance across temperature variations.