Overview
The AD5425YRMZ from Analog Devices Inc. is a CMOS, 8-bit, current output digital-to-analog converter (DAC) designed for applications requiring precise and compact analog output solutions. This DAC 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. It features excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of up to 10 MHz. The device is available in a small, 10-lead MSOP or TFSOP package, enhancing its suitability for space-constrained designs.
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/°C | |||
| Output Leakage Current | ±10 | ±20 | nA | Data = 0x0000, TA = 25°C, IOUT1 | |
| Reference Input Range | ±10 | V | |||
| Power Supply Range | 2.5 | 5.5 | V | ||
| IDD | 0.6 | 5 | µA | TA = 25°C, logic inputs = 0 V or VDD | |
| Settling Time | 160 | ns | |||
| Interface | SPI, Serial | ||||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- High Bandwidth Multiplying DAC: Offers large signal multiplying bandwidths of up to 10 MHz, making it suitable for high-frequency applications.
- Current Output: Provides current output, which can be converted to voltage using an external precision amplifier.
- Integrated Feedback Resistor: Includes an integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output.
- Low Power Consumption: Operates with a low power supply range of 2.5 V to 5.5 V, making it energy-efficient.
- Compact Package: Available in a small 10-lead MSOP or TFSOP package, ideal for space-constrained designs.
- Precision and Linearity: Ensures high precision with relative accuracy of ±0.25 LSB and differential nonlinearity of ±0.5 LSB.
- Serial Interface: Features an SPI serial interface for easy communication with microcontrollers or digital systems.
Applications
- Automotive Systems: Utilized in automotive systems for controlling sensors and actuators with precision.
- Portable Electronics: Ideal for portable electronics where compact size and low power consumption are crucial.
- Environmental Monitoring: Employed in environmental monitoring equipment for accurate signal generation and control.
- Industrial Control Systems: Used in industrial control systems that require precise analog output for various applications.
Q & A
- What is the resolution of the AD5425YRMZ DAC?
The AD5425YRMZ has an 8-bit resolution.
- What is the operating voltage range of the AD5425YRMZ?
The AD5425YRMZ operates from a 2.5 V to 5.5 V power supply.
- What type of interface does the AD5425YRMZ use?
The AD5425YRMZ uses an SPI serial interface.
- What is the settling time of the AD5425YRMZ?
The settling time of the AD5425YRMZ is 160 ns.
- What is the operating temperature range of the AD5425YRMZ?
The operating temperature range of the AD5425YRMZ is from -40°C to 125°C.
- Does the AD5425YRMZ have an integrated feedback resistor?
Yes, the AD5425YRMZ includes an integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output.
- What are the typical applications of the AD5425YRMZ?
The AD5425YRMZ is typically used in automotive systems, portable electronics, environmental monitoring, and industrial control systems.
- How does the AD5425YRMZ achieve high precision?
The AD5425YRMZ achieves high precision with a relative accuracy of ±0.25 LSB and differential nonlinearity of ±0.5 LSB.
- What package options are available for the AD5425YRMZ?
The AD5425YRMZ is available in 10-lead MSOP and TFSOP packages.
- Is the AD5425YRMZ suitable for battery-powered devices?
Yes, the AD5425YRMZ is suitable for battery-powered devices due to its low power consumption.
