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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 8DIP
- 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：Internal
- Voltage - Supply, Analog：±10.8V ~ 16.5V
- Voltage - Supply, Digital：-
- INL/DNL (LSB)：±0.5 (Max), ±0.9 (Max)
- Architecture：R-2R
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Mounting Type：Through Hole
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Overview
The AD7233BNZ is a complete 12-bit voltage-output digital-to-analog converter featuring an on-chip voltage reference and output amplifier in an 8-lead Mini-DIP package. It delivers a bipolar output range of –5 V to +5 V using two’s complement data format. The device supports a 3-wire serial interface with clock rates up to 5 MHz, enabling a DAC update rate of 300 kHz. Power supplies range from ±10.8 V to ±16.5 V. The B version guarantees relative accuracy within ±1/2 LSB maximum across the industrial temperature range of –40 °C to +85 °C.
Feature Summary
- 12-bit resolution with ±1/2 LSB relative accuracy (B Version)
- Integrated Zener voltage reference and output amplifier
- 3-wire serial interface supporting 300 kHz update rate
- Bipolar output range of –5 V to +5 V
Applications
- Process control systems
- Industrial automation equipment
- Digital signal processing input/output ports
Procurement Notes
Verify the ordering suffix 'N' corresponds to the Plastic DIP (N-8) package configuration. Confirm the 'B' designation indicates the tighter ±1/2 LSB linearity specification compared to the standard A version. Ensure supply voltages remain within the specified ±10.8 V to ±16.5 V range for guaranteed performance.
Selection Notes
Select the AD7233BNZ when higher linearity precision than the standard A version is required. The device is suitable for single-supply unipolar applications only if modified; however, the native design targets bipolar ±5 V outputs. Verify that the microcontroller or DSP interface can support the required 16-bit serial word length and timing constraints.
Part Context
The AD7233 series belongs to Analog Devices' DACPORT family of monolithic digital-to-analog converters. The AD7233BNZ represents the high-precision variant of this 12-bit component, fabricated on Linear Compatible CMOS (LC2MOS) technology. It consolidates the DAC, reference, and amplifier into a single chip to reduce board space and improve reliability over multichip solutions.
Replacement Considerations
The AD7233ANZ serves as a lower-cost alternative with ±1 LSB accuracy. For unipolar single-supply requirements, the AD7243 is the designated flexible alternative.
