Overview
The AD5721BRUZ-RL7, produced by Analog Devices Inc., is a single-channel, 12-bit serial input, voltage output digital-to-analog converter (DAC). This device operates from single supply voltages ranging from +4.75 V to +30 V or dual supply voltages from −16.5 V to 0 V for VSS and +4.75 V to +16.5 V for VDD. It features an integrated output amplifier and reference buffer, providing a versatile solution for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 12-bit | - | - |
| Total Unadjusted Error (TUE) | - | - | 0.1% FSR | - | - |
| Integral Nonlinearity (INL) | - | - | ±2 LSB | - | - |
| Settling Time | 7.5 μs | - | - | - | 10 V step to 1 LSB at 16-bit resolution |
| Noise | - | 35 nV/√Hz | - | - | - |
| Glitch Impulse | - | 1 nV-sec | - | - | 0 V to 5 V range |
| Operating Temperature Range | -40°C | - | +125°C | - | - |
| Supply Voltage Range | +4.75 V to +30 V (single supply) | - | - | - | Dual supply: −16.5 V to 0 V VSS and +4.75 V to +16.5 V VDD |
| Logic Compatibility | - | 1.8 V logic compatible | - | - | - |
| Package Type | - | - | 16-lead TSSOP | - | - |
Key Features
- Single-channel, 12-bit serial input, voltage output DAC
- Integrated output amplifier and reference buffer
- Guaranteed monotonicity and low 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 10 V step to 1 LSB
- Asynchronous updating via LDAC and asynchronous RESET to zero scale/midscale
- DSP/microcontroller-compatible serial interface with clock rates up to 50 MHz
- Robust 4 kV HBM ESD rating
- User-selectable output ranges and input 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 AD5721BRUZ-RL7 DAC?
The AD5721BRUZ-RL7 has a resolution of 12 bits. - What are the operating supply voltage ranges for the AD5721BRUZ-RL7?
The device operates from single supply voltages ranging from +4.75 V to +30 V or dual supply voltages from −16.5 V to 0 V for VSS and +4.75 V to +16.5 V for VDD. - What is the typical settling time of the AD5721BRUZ-RL7?
The typical settling time is 7.5 μs for a 10 V step to 1 LSB. - Is the AD5721BRUZ-RL7 compatible with DSP and microcontrollers?
Yes, it is compatible with DSP and microcontroller interface standards. - What is the noise performance of the AD5721BRUZ-RL7?
The device has a low noise of 35 nV/√Hz. - What are the package options for the AD5721BRUZ-RL7?
The device is available in a 16-lead TSSOP package. - What is the operating temperature range of the AD5721BRUZ-RL7?
The operating temperature range is from −40°C to +125°C. - Does the AD5721BRUZ-RL7 have ESD protection?
Yes, it has a robust 4 kV HBM ESD rating. - Can the output range of the AD5721BRUZ-RL7 be user-selected?
Yes, the output range is user-selectable via the RA[2:0] bits in the control register. - What is the logic compatibility of the AD5721BRUZ-RL7?
The device is 1.8 V logic compatible.
