Overview
The AD5722RBREZ-REEL7 is a dual, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This component is part of the AD5722R/AD5732R/AD5752R series, which offers high precision and versatility in various applications. The AD5722R operates from single supply voltages of +4.5 V to +16.5 V or dual supply voltages from ±4.5 V to ±16.5 V. It features software-selectable full-scale output ranges, integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | ||
| Supply Voltage | +4.5 V to +16.5 V (single supply), ±4.5 V to ±16.5 V (dual supply) | V | |
| Output Range | +5 V, +10 V, +10.8 V, ±5 V, ±10 V, ±10.8 V (software selectable) | V | |
| Integral Nonlinearity (INL) | ±16 LSB maximum | LSB | |
| Differential Nonlinearity (DNL) | ±1 LSB maximum | LSB | |
| Settling Time | 10 μs typical | μs | 20 V step to ±0.03% FSR |
| Reference Voltage | +2.5 V ± 2 mV | V | Internal reference |
| Operating Temperature Range | −40°C to +85°C | °C | |
| Package | 24-lead TSSOP | ||
| Serial Interface Clock Rate | Up to 30 MHz | MHz |
Key Features
- Software-selectable full-scale output ranges: +5 V, +10 V, +10.8 V, ±5 V, ±10 V, or ±10.8 V.
- Integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry.
- Guaranteed monotonicity and low noise.
- Fast settling time of 10 μs maximum.
- On-chip +2.5 V reference with 5 ppm/°C maximum drift.
- Serial interface compatible with DSP and microcontroller standards, operating up to 30 MHz.
- Double buffering for simultaneous updating of all DACs.
- User-selectable input coding: twos complement or offset binary for bipolar output, straight binary for unipolar output.
- Asynchronous clear function to clear all DAC registers to a user-selectable zero-scale or midscale output.
Applications
- Industrial automation: Closed-loop servo control, process control.
- Automotive test and measurement.
- Programmable logic controllers.
Q & A
- What is the resolution of the AD5722RBREZ-REEL7 DAC?
The AD5722RBREZ-REEL7 has a 12-bit resolution.
- What are the possible supply voltage ranges for the AD5722RBREZ-REEL7?
The component can operate from single supply voltages of +4.5 V to +16.5 V or dual supply voltages from ±4.5 V to ±16.5 V.
- What are the software-selectable output ranges for the AD5722RBREZ-REEL7?
The output ranges are +5 V, +10 V, +10.8 V, ±5 V, ±10 V, or ±10.8 V.
- What is the maximum integral nonlinearity (INL) of the AD5722RBREZ-REEL7?
The maximum INL is ±16 LSB.
- What is the typical settling time of the AD5722RBREZ-REEL7?
The typical settling time is 10 μs.
- What is the operating temperature range of the AD5722RBREZ-REEL7?
The operating temperature range is −40°C to +85°C.
- What type of package is the AD5722RBREZ-REEL7 available in?
The component is available in a 24-lead TSSOP package.
- What is the maximum clock rate of the serial interface for the AD5722RBREZ-REEL7?
The serial interface can operate at clock rates up to 30 MHz.
- Does the AD5722RBREZ-REEL7 support simultaneous updating of all DACs?
Yes, it supports simultaneous updating via double buffering.
- What types of input coding are supported by the AD5722RBREZ-REEL7?
The component supports user-selectable twos complement or offset binary for bipolar output and straight binary for unipolar output.
