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AD7846JP-REEL
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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 28PLCC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Bulk
- 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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Overview
The AD7846JP-REEL 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 guaranteed 16-bit monotonicity over temperature with ±2 LSBs integral linearity error. The device includes an on-chip output amplifier configurable for unipolar (0 V to +5 V, 0 V to +10 V) or bipolar (±5 V, ±10 V) ranges. 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 component is housed in a 28-lead PLCC package.
Feature Summary
- 16-bit resolution with guaranteed monotonicity over temperature
- Microprocessor compatible interface with readback capability
- Configurable unipolar or bipolar output ranges via external resistors
- Multiplying DAC capability for four-quadrant operation
Applications
- Closed-loop control systems requiring high accuracy
- Automated Test Equipment (ATE) utilizing readback diagnostics
- Position measurement applications using LVDTs
- Precision instrumentation signal chains
Procurement Notes
Verify that the ordering suffix JPZ indicates the plastic PLCC package variant. Confirm the temperature grade corresponds to the J version (0°C to +70°C). Ensure the reel packaging matches the REEL suffix designation. Cross-reference the specific revision H datasheet for final pinout and electrical limits before integration.
Selection Notes
Select this component when 16-bit monotonicity and low glitch impulse are critical. The segmented architecture minimizes nonmonotonicity risks compared to R-2R structures. Consider the ±15 V analog supply requirement and the need for external reference voltages. Verify that the parallel interface timing meets the system's microprocessor bus speeds.
Part Context
This part belongs to the AD7846 family of 16-bit DACs. The 'JP' prefix denotes the plastic PLCC package and commercial temperature range. The 'Z' suffix indicates RoHS compliance. The 'REEL' suffix specifies tape-and-reel packaging for automated assembly. Other variants include ceramic DIP and industrial temperature grades.
Replacement Considerations
Direct replacements within the same family include AD7846KNZ for industrial temperature range in PLCC. For different packages, consider AD7846JN (DIP). Alternative architectures from other manufacturers may require significant circuit redesign due to differences in interface protocols and supply voltage requirements.
