Overview
The AD5453YRMZ-REEL is a 14-bit high bandwidth multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5450/AD5451/AD5452/AD5453 family, which includes CMOS current output DACs with varying resolutions. The AD5453 operates from a 2.5 V to 5.5 V power supply, making it suitable for a wide range of applications, including battery-powered devices and automotive systems. It features a double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 14 bits | ||||
| Supply Voltage | 2.5 | 5.5 | V | ||
| Reference Input Range | ±10 V | ||||
| Reference Input Resistance | 7 | 9 | 11 | kΩ | TC = −50 ppm/°C |
| Feedback Resistance (RFB) | 7 | 9 | 11 | kΩ | TC = −50 ppm/°C |
| Input High Voltage (VIH) | 1.7 | 2.0 | V | VDD = 2.5 V to 3.6 V, VDD = 3.6 V to 5 V | |
| Input Low Voltage (VIL) | 0.7 | 0.8 | V | VDD = 2.5 V to 2.7 V, VDD = 2.7 V to 5.5 V | |
| Output High Voltage (VOH) | VDD - 1 | VDD - 0.5 | V | VDD = 4.5 V to 5 V, ISOURCE = 200 μA; VDD = 2.5 V to 3.6 V, ISOURCE = 200 μA | |
| Output Low Voltage (VOL) | 0.4 V | VDD = 4.5 V to 5 V, ISINK = 200 μA; VDD = 2.5 V to 3.6 V, ISINK = 200 μA | |||
| Multiplying Bandwidth | 12 MHz | VREF = ±3.5 V, DAC loaded with all 1s | |||
| Power Consumption | < 0.4 μA | Typical current consumption | |||
Key Features
- High Resolution: 14-bit current output digital-to-analog conversion.
- Wide Supply Voltage Range: Operates from 2.5 V to 5.5 V, suitable for battery-powered and automotive applications.
- High Bandwidth: 12 MHz multiplying bandwidth for high-frequency applications.
- Serial Interface: Double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards.
- Extended Temperature Range: Operates from –40°C to +125°C.
- Low Power Consumption: Typical current consumption of less than 0.4 μA.
- Integrated Feedback Resistor: Provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.
- Power-on Reset with Brownout Detect: Ensures the DAC output is at zero scale upon power-up.
Applications
- Portable Battery-Powered Applications: Suitable for devices that require low power consumption.
- Waveform Generators: High bandwidth and precision make it ideal for generating complex waveforms.
- Analog Processing and Instrumentation: Used in various analog processing and instrumentation applications due to its high accuracy and stability.
- Programmable Amplifiers and Attenuators: Can be used to control gain and offset in amplifier circuits.
- Digitally Controlled Calibration: Useful in calibration processes where precise digital control is required.
- Programmable Filters and Oscillators: Can be integrated into filter and oscillator circuits for precise control.
- Composite Video and Ultrasound: Suitable for applications requiring high bandwidth and precision, such as in video and ultrasound systems.
- Automotive Applications: Qualified for use in automotive systems due to its extended temperature range and reliability.
Q & A
- What is the resolution of the AD5453YRMZ-REEL DAC?
The AD5453YRMZ-REEL is a 14-bit current output digital-to-analog converter.
- What is the operating supply voltage range of the AD5453YRMZ-REEL?
The device operates from a 2.5 V to 5.5 V power supply.
- What is the multiplying bandwidth of the AD5453YRMZ-REEL?
The multiplying bandwidth is up to 12 MHz.
- What type of serial interface does the AD5453YRMZ-REEL use?
The device uses a double-buffered, 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards.
- What is the typical current consumption of the AD5453YRMZ-REEL?
The typical current consumption is less than 0.4 μA.
- What is the temperature range of the AD5453YRMZ-REEL?
The device operates from –40°C to +125°C.
- Does the AD5453YRMZ-REEL have an integrated feedback resistor?
Yes, it includes an integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output.
- What happens to the DAC output upon power-up?
Upon power-up, the internal shift register and latches are filled with 0s, and the DAC output is at zero scale.
- Is the AD5453YRMZ-REEL qualified for automotive applications?
Yes, it is qualified for use in automotive applications.
- What are some common applications of the AD5453YRMZ-REEL?
Common applications include portable battery-powered devices, waveform generators, analog processing, instrumentation, programmable amplifiers and attenuators, and composite video and ultrasound systems.
