Overview
The AD5570BRS, produced by Analog Devices Inc., is a single 16-bit serial input, voltage output Digital-to-Analog Converter (DAC). It operates from supply voltages of ±11.4 V to ±16.5 V, making it versatile for various high-voltage applications. The device features high accuracy with integral linearity (INL) and differential nonlinearity (DNL) accurate to 1 LSB. The AD5570BRS includes on-chip reference buffers, eliminating the need for external components such as inverters, precision amplifiers, and resistors, thus reducing the overall solution size and cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDD/VSS) | ±11.4 | ±16.5 | V | ||
| Integral Linearity (INL) | ±1 | LSB | |||
| Differential Nonlinearity (DNL) | ±1 | LSB | |||
| Settling Time | 10 | 13 | μs | To 0.003% | |
| Output Impedance | 0.35 | 0.5 | Ω | ||
| Output Noise Voltage Density | 85 | nV/Hz | f = 1 kHz; midscale loaded | ||
| Power Consumption (IDD) | 4 | 5 | mA | ||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- 16-bit resolution with high accuracy (INL and DNL accurate to 1 LSB)
- On-chip reference buffers for single positive reference input
- 3-wire interface compatible with SPI, QSPI, MICROWIRE, and DSP standards
- Asynchronous update of outputs via LDAC pin
- Power-on reset to ensure DAC output powers up to 0 V
- Power-down pin to reduce current consumption to 16 μA
- Data readback facility via SDO pin for daisy-chaining
- 5 kV HBM ESD classification
Applications
- Industrial automation
- Automatic test equipment
- Process control
- Data acquisition systems
- General-purpose instrumentation
Q & A
- What is the resolution of the AD5570BRS DAC?
The AD5570BRS has a 16-bit resolution. - What is the operating supply voltage range for the AD5570BRS?
The operating supply voltage range is ±11.4 V to ±16.5 V. - What is the accuracy of the AD5570BRS in terms of INL and DNL?
The AD5570BRS has an integral linearity (INL) and differential nonlinearity (DNL) accurate to 1 LSB. - Does the AD5570BRS have on-chip reference buffers?
Yes, the AD5570BRS includes on-chip reference buffers. - What is the settling time of the AD5570BRS?
The settling time is 10 μs to 0.003%. - How does the power-on reset function work on the AD5570BRS?
The power-on reset circuit ensures the DAC output powers up to 0 V. - Can the AD5570BRS be put into a low power state?
Yes, the device has a power-down pin that reduces the typical current consumption to 16 μA. - What interface standards is the AD5570BRS compatible with?
The AD5570BRS is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. - Does the AD5570BRS support data readback?
Yes, the AD5570BRS has a data readback facility via the SDO pin. - What is the ESD classification of the AD5570BRS?
The AD5570BRS has a 5 kV HBM ESD classification.
