Overview
The AD5721RBRUZ is a single-channel, 12-bit serial input, voltage output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5761/AD5721 family and offers a versatile solution for various industrial and control 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, making it suitable for a wide range of operating conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | 12 bits | - | - | - |
| Integral Nonlinearity (INL) | -0.5 LSB | - | +0.5 LSB | - | External reference |
| Differential Nonlinearity (DNL) | -1 LSB | - | +1 LSB | - | External reference |
| Settling Time | 7.5 μs | - | - | - | Typical, 10 V step to 1 LSB at 16-bit resolution |
| Noise | - | 35 nV/√Hz | - | - | 0 V to 5 V range, 2.5 V external reference |
| Glitch Impulse | - | 1 nV-sec | - | - | 0 V to 5 V range |
| Operating Temperature Range | -40°C | - | +125°C | - | - |
| Package Type | - | 16-lead LFCSP or 16-lead TSSOP | - | - | - |
Key Features
- Single-channel, 12-bit serial input, voltage output DAC
- Operates from single supply voltages (+4.75 V to +30 V) or dual supply voltages (−16.5 V to 0 V VSS and +4.75 V to +16.5 V VDD)
- Integrated output amplifier and reference buffer for easy use
- Guaranteed monotonicity and low integral nonlinearity (INL) of ±0.5 LSB maximum
- Low noise: 35 nV/√Hz and low glitch: 1 nV-sec (0 V to 5 V range)
- Serial interface compatible with DSP and microcontroller standards, up to 50 MHz clock rate
- Double buffering for asynchronous updating of DAC output
- User-selectable twos complement or straight binary input coding
- Asynchronous reset function to zero scale/midscale
- Robust 4 kV HBM ESD rating
Applications
- Industrial automation
- Instrumentation and data acquisition
- Open-/closed-loop servo control and process control
- Programmable logic controllers
- Motor control and high-resolution digital control of system parameters
Q & A
- What is the resolution of the AD5721RBRUZ DAC?
The AD5721RBRUZ has a 12-bit resolution.
- What are the operating supply voltage ranges for the AD5721RBRUZ?
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 VSS and +4.75 V to +16.5 V VDD.
- What is the settling time of the AD5721RBRUZ?
The settling time is typically 7.5 μs for a 10 V step to 1 LSB at 16-bit resolution.
- Does the AD5721RBRUZ have integrated reference buffers?
- What is the noise performance of the AD5721RBRUZ?
The device has a low noise of 35 nV/√Hz.
- What is the glitch impulse of the AD5721RBRUZ?
The glitch impulse is typically 1 nV-sec in the 0 V to 5 V range.
- What are the package options for the AD5721RBRUZ?
The device is available in 16-lead LFCSP and 16-lead TSSOP packages.
- What is the operating temperature range of the AD5721RBRUZ?
The operating temperature range is from −40°C to +125°C.
- Is the AD5721RBRUZ compatible with DSP and microcontroller interfaces?
- What protection features does the AD5721RBRUZ include?
The device includes overvoltage protection, short-circuit protection, and thermal protection.
