Overview
The AD5732RBREZ-REEL7, produced by Analog Devices Inc., is a dual, 14-bit, serial input, voltage output digital-to-analog converter (DAC). This component is part of the AD5722R/AD5732R/AD5752R family and is designed for high-precision applications. It 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, making it versatile for various industrial and automotive environments. The device features integrated reference buffers, output control during power-up/brownout, and simultaneous updating via LDAC, enhancing its reliability and performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 14 bits | - | - |
| Supply Voltage (Single) | 4.5 V | - | 16.5 V | V | - |
| Supply Voltage (Dual) | ±4.5 V | - | ±16.5 V | V | - |
| Output Voltage Range | - | - | Software selectable | V | AVDD/AVSS = ±12.9 V min, REFIN = 3 V |
| Integral Nonlinearity (INL) | - | - | ±16 LSB | LSB | - |
| Differential Nonlinearity (DNL) | - | - | ±1 LSB | LSB | - |
| Total Unadjusted Error (TUE) | - | - | 0.1% FSR | % | - |
| Settling Time | 10 μs | - | - | μs | Typical, 20 V step to ±0.03% FSR |
| Operating Temperature Range | -40°C | - | +85°C | °C | - |
| Package Type | - | - | 24-lead TSSOP | - | - |
Key Features
- Integrated reference buffers with a maximum drift of 5 ppm/°C.
- Output control during power-up/brownout and asynchronous clear to zero scale or midscale.
- Simultaneous updating via LDAC and DSP-/microcontroller-compatible serial interface.
- Capable of directly driving a 2 kΩ, 4000 pF load.
- Short-circuit current of 20 mA and DC output impedance of 0.5 Ω.
- Operating temperature range from -40°C to +85°C.
Applications
- Industrial automation: Closed-loop servo control, process control.
- Automotive test and measurement.
- Programmable logic controllers.
Q & A
- What is the resolution of the AD5732RBREZ-REEL7?
The AD5732RBREZ-REEL7 has a resolution of 14 bits. - What are the supply voltage ranges for this DAC?
The supply voltage ranges are from +4.5 V to +16.5 V for single supply and from ±4.5 V to ±16.5 V for dual supply. - What is the typical settling time of the AD5732RBREZ-REEL7?
The typical settling time is 10 μs for a 20 V step to ±0.03% FSR. - Does the AD5732RBREZ-REEL7 have integrated reference buffers?
Yes, it has integrated reference buffers with a maximum drift of 5 ppm/°C. - What is the operating temperature range of this component?
The operating temperature range is from -40°C to +85°C. - Can the AD5732RBREZ-REEL7 drive a capacitive load?
Yes, it can directly drive a 2 kΩ, 4000 pF load. - What are some common applications of the AD5732RBREZ-REEL7?
Common applications include industrial automation, automotive test and measurement, and programmable logic controllers. - What is the package type of the AD5732RBREZ-REEL7?
The package type is a 24-lead TSSOP. - Does the AD5732RBREZ-REEL7 support simultaneous updating via LDAC?
Yes, it supports simultaneous updating via LDAC. - Is the AD5732RBREZ-REEL7 compatible with DSP and microcontrollers?
Yes, it has a DSP-/microcontroller-compatible serial interface.
