Overview
The AD5721BCPZ-RL7, produced by Analog Devices Inc., is a single-channel, 16-/12-bit serial input, voltage output digital-to-analog converter (DAC). This device is part of the AD5761/AD5721 family and offers a versatile and reliable solution for various industrial and instrumentation applications. It operates from single supply voltages ranging from +4.75 V to +30 V or dual supply voltages from −16.5 V to 0 V VSS and +4.75 V to +16.5 V VDD. The integrated output amplifier, reference buffer, and reference provide a user-friendly and universal solution.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 16-/12-bit | - | - |
| Supply Voltage | +4.75 V | - | +30 V | V | Single supply |
| Supply Voltage (Dual) | −16.5 V | - | +16.5 V | V | Dual supply VSS and VDD |
| Total Unadjusted Error (TUE) | - | - | 0.1% FSR | % | Maximum |
| Integral Nonlinearity (INL) | - | - | ±2 LSB | LSB | Maximum |
| Settling Time | 7.5 μs | - | - | μs | Typical for 10 V step to 1 LSB at 16-bit resolution |
| Noise | - | - | 35 nV/√Hz | nV/√Hz | - |
| Glitch Impulse | - | - | 1 nV-sec | nV-sec | ±10 V range |
| Operating Temperature Range | −40°C | - | +125°C | °C | - |
| Package | - | - | 16-Lead LFCSP (3mm x 3mm w/ EP) | - | - |
Key Features
- Guaranteed monotonicity and integral nonlinearity (INL) of ±2 LSB maximum.
- Low noise of 35 nV/√Hz and low glitch impulse of 1 nV-sec.
- Fast settling time of 7.5 μs typical for a 10 V step to 1 LSB at 16-bit resolution.
- Integrated output amplifier and reference buffer for a complete solution.
- Serial interface compatible with DSP and microcontroller standards, operating up to 50 MHz clock rates.
- Asynchronous updating via LDAC and asynchronous reset to zero scale/midscale.
- 1.8 V logic compatibility and robust 4 kV HBM ESD rating.
- User-selectable output ranges and coding (twos complement or straight binary).
Applications
- Industrial automation.
- Instrumentation and data acquisition.
- Open-/closed-loop servo control and process control.
- Programmable logic controllers.
Q & A
- What is the resolution of the AD5721BCPZ-RL7 DAC?
The AD5721BCPZ-RL7 is available in 16-bit and 12-bit resolutions. - What are the supply voltage options for the AD5721BCPZ-RL7?
The device can operate from single supply voltages from +4.75 V to +30 V or dual supply voltages from −16.5 V to 0 V VSS and +4.75 V to +16.5 V VDD. - What is the typical settling time of the AD5721BCPZ-RL7?
The typical settling time is 7.5 μs for a 10 V step to 1 LSB at 16-bit resolution. - Does the AD5721BCPZ-RL7 have integrated reference buffers?
Yes, it includes integrated reference buffers. - What is the noise performance of the AD5721BCPZ-RL7?
The device has a low noise of 35 nV/√Hz. - What are the operating temperature ranges for the AD5721BCPZ-RL7?
The device operates over a temperature range of −40°C to +125°C. - What types of packages are available for the AD5721BCPZ-RL7?
The device is available in 16-Lead LFCSP (3mm x 3mm w/ EP) and 16-Lead TSSOP packages. - Is the AD5721BCPZ-RL7 compatible with DSP and microcontroller interfaces?
Yes, it is compatible with DSP and microcontroller interface standards and operates at clock rates up to 50 MHz. - What is the ESD rating of the AD5721BCPZ-RL7?
The device has a robust 4 kV HBM ESD rating. - Can the output range of the AD5721BCPZ-RL7 be user-selected?
Yes, the output range is user-selectable via the RA[2:0] bits in the control register.
