Overview
The AD5426YRM, produced by Analog Devices Inc., is an 8-bit high bandwidth multiplying digital-to-analog converter (DAC) with a serial interface. This CMOS device operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered applications and various other uses. It features a double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards. The device is known for its low power consumption, high accuracy, and extended temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 8 Bits | ||||
| Relative Accuracy | ±0.25 LSB | ||||
| Differential Nonlinearity | ±0.5 LSB | Guaranteed monotonic | |||
| Gain Error | ±10 mV | ||||
| Gain Error Temperature Coefficient | ±5 ppm FSR/°C | ||||
| Output Leakage Current | ±10 nA | Data = 0x0000, TA = 25°C, IOUT1 | |||
| Reference Input Range | ±10 V | ||||
| Reference Input Resistance | 8 kΩ | 10 kΩ | 12 kΩ | ||
| Settling Time | 160 ns | Measured to ±1 mV of FS, VREF = 10 V, RLOAD = 100 Ω | |||
| Digital Delay | 40 ns | 75 ns | Interface delay time | ||
| Power Supply Voltage | 2.5 V | 5.5 V | |||
| Operating Temperature | −40°C | +125°C |
Key Features
- 8-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
- Serial data out pin (SDO) for daisy-chaining
- Data readback function via SDO pin
- Power-on reset with brownout detection
- Guaranteed monotonic 4-quadrant multiplication
- Low glitch energy (< 2 nV-s)
- Typical power consumption of 0.4 µA
- Extended temperature range of −40°C to +125°C
Applications
- Portable battery-powered applications
- Waveform generators
- Analog processing
- Instrumentation applications
- Programmable amplifiers and attenuators
- Digitally controlled calibration
- Programmable filters and oscillators
- Composite video
- Ultrasound
- Gain, offset, and voltage trimming
Q & A
- What is the resolution of the AD5426YRM DAC?
The AD5426YRM is an 8-bit DAC.
- What is the operating voltage range of the AD5426YRM?
The device operates from a 2.5 V to 5.5 V power supply.
- What types of serial interfaces are supported by the AD5426YRM?
The device supports SPI, QSPI, MICROWIRE, and most DSP interface standards.
- Does the AD5426YRM support daisy-chaining?
Yes, it supports daisy-chaining through the serial data out pin (SDO).
- What is the typical power consumption of the AD5426YRM?
The typical power consumption is 0.4 µA.
- What is the operating temperature range of the AD5426YRM?
The operating temperature range is −40°C to +125°C.
- Is the AD5426YRM guaranteed to be monotonic?
Yes, the AD5426YRM is guaranteed to be monotonic.
- What is the settling time of the AD5426YRM?
The settling time is 160 ns measured to ±1 mV of full scale.
- What is the reference input range of the AD5426YRM?
The reference input range is ±10 V.
- Does the AD5426YRM have a power-on reset feature?
Yes, it has a power-on reset with brownout detection.
