Overview
The AD7244JRZ-REEL, produced by Analog Devices Inc., is a fast, complete, dual 14-bit voltage output Digital-to-Analog Converter (DAC). This device is part of the AD7242/AD7244 series, which also includes a 12-bit version. The AD7244 is designed to provide high precision and speed, making it suitable for a variety of applications requiring accurate analog output.
The device operates from ±5 V power supplies and offers an analog output range of ±3 V. It features an on-chip 3 V buried Zener reference and DAC output amplifiers, along with a high-speed serial interface for efficient data transfer.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Power Supply | ±5 V |
| Analog Output Range | ±3 V |
| Reference Voltage | 3 V buried Zener reference |
| Settling Time | 4 μs max to ±1/2 LSB |
| Digital Interface | High-speed serial interface |
| Package Type | 28-Lead SOIC (Wide) |
| Operating Temperature | –40°C to +85°C |
| Total Power Dissipation | 195 mW max (typically 130 mW) |
Key Features
- Two 14-bit DACs with output amplifiers
- On-chip 3 V buried Zener reference
- Fast settling time: 4 μs max to ±1/2 LSB
- High-speed serial interface for data transfer
- Operates from ±5 V power supplies
- REF OUT/REF IN function for internal or external reference source
- Asynchronous control of DAC updating with separate LDAC inputs for each DAC
- Fabricated in Linear Compatible CMOS (LC2MOS) technology
Applications
The AD7244JRZ-REEL is suitable for various applications that require high precision and speed in digital-to-analog conversion. These include:
- Industrial control systems
- Aerospace and defense systems
- Medical devices requiring precise analog outputs
- Automotive systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7244JRZ-REEL?
The AD7244JRZ-REEL has a resolution of 14 bits.
- What is the power supply requirement for the AD7244JRZ-REEL?
The device operates from ±5 V power supplies.
- What is the analog output range of the AD7244JRZ-REEL?
The analog output range is ±3 V.
- Does the AD7244JRZ-REEL have an on-chip reference voltage?
Yes, it features a 3 V buried Zener reference.
- What is the settling time of the AD7244JRZ-REEL?
The settling time is 4 μs max to ±1/2 LSB.
- What type of digital interface does the AD7244JRZ-REEL use?
The device uses a high-speed serial interface.
- In what package type is the AD7244JRZ-REEL available?
The device is available in a 28-Lead SOIC (Wide) package.
- What is the operating temperature range of the AD7244JRZ-REEL?
The operating temperature range is –40°C to +85°C.
- How much power does the AD7244JRZ-REEL typically dissipate?
The total power dissipation is typically 130 mW, with a maximum of 195 mW.
- Can the AD7244JRZ-REEL be controlled asynchronously?
Yes, it allows asynchronous control of DAC updating with separate LDAC inputs for each DAC.
