Overview
The AD5432YRM from Analog Devices Inc. is a 10-bit current output digital-to-analog converter (DAC) designed for a wide range of applications. This device operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other low-voltage applications. The AD5432YRM features a double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE, and most DSP interface standards. It is part of a family of pin-compatible 8-, 10-, and 12-bit DACs, offering flexibility in system design.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 10 Bits | - | - |
| Relative Accuracy | ±0.5 LSB | - | - |
| Differential Nonlinearity | ±1 LSB | - | - |
| Gain Error | ±10 mV | - | - |
| Gain Error Temperature Coefficient | ±5 ppm/°C | - | - |
| Output Leakage Current | ±10 nA | - | Data = 0x0000, TA = 25°C |
| Reference Input Range | ±10 V | - | - |
| VREF Input Resistance | 10 kΩ | - | TC = –50 ppm/°C |
| Output Voltage Settling Time | 55 ns to ±4 mV of FS | - | VREF = 10 V, RLOAD = 100 Ω |
| Digital Interface | SPI, QSPI™, MICROWIRE, DSP | - | - |
| Maximum Clock Frequency | 50 MHz | - | - |
| Operating Temperature Range | –40°C to +125°C | - | - |
| Power Consumption | <0.4 μA typical | - | - |
Key Features
- 10-bit current output digital-to-analog converter (DAC)
- Operates from a 2.5 V to 5.5 V power supply
- Double-buffered, 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE, and most DSP interface standards
- Pin-compatible with 8- and 12-bit DACs
- Guaranteed monotonic 4-quadrant multiplication
- Power-on reset with brownout detection
- Daisy-chain mode and readback function
- Extended temperature range: –40°C to +125°C
- Low glitch energy: < 2 nV-s
Applications
- Portable battery-powered applications
- Waveform generators
- Analog processing
- Instrumentation applications
- Programmable amplifiers and attenuators
- Digitally controlled calibration
- Programmable filters and oscillators
- Composite video and ultrasound applications
- Gain, offset, and voltage trimming
Q & A
- What is the resolution of the AD5432YRM DAC?
The AD5432YRM has a resolution of 10 bits.
- What is the operating voltage range of the AD5432YRM?
The AD5432YRM operates from a 2.5 V to 5.5 V power supply.
- What types of serial interfaces does the AD5432YRM support?
The AD5432YRM supports SPI, QSPI™, MICROWIRE, and most DSP interface standards.
- What is the maximum clock frequency for the AD5432YRM?
The maximum clock frequency is 50 MHz.
- What is the output voltage settling time for the AD5432YRM?
The output voltage settling time is 55 ns to ±4 mV of full scale.
- Does the AD5432YRM have a power-on reset feature?
Yes, the AD5432YRM has a power-on reset with brownout detection.
- Can multiple AD5432YRM devices be daisy-chained?
Yes, multiple devices can be daisy-chained using the serial data output (SDO) pin.
- What is the typical power consumption of the AD5432YRM?
The typical power consumption is less than 0.4 μA.
- What is the operating temperature range of the AD5432YRM?
The operating temperature range is –40°C to +125°C.
- Is the AD5432YRM guaranteed to be monotonic?
Yes, the AD5432YRM is guaranteed to be monotonic.
