Overview
The AD7245AAPZ-REEL, produced by Analog Devices Inc., is a 12-bit digital-to-analog converter (DAC) that is part of the DACPORT series. This component is designed to provide high precision and reliability, making it suitable for various industrial and commercial applications. The AD7245A is an enhanced version of the industry-standard AD7245, offering improvements such as operation from 12 V to 15 V supplies, better linearity, faster interface times, and extended temperature range operation. It features a monolithic CMOS chip with an on-chip 5 V buried Zener diode for a low noise, temperature-compensated reference.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Resolution | 12 bits | ||
| Number of D/A Converters | 1 | ||
| Output Type | Voltage - Buffered | ||
| Supply Voltage (Digital) | 10.8 V to 16.5 V | V | |
| Supply Voltage (Analog) | ±10.8 V to ±16.5 V | V | |
| Operating Temperature | -40°C to 85°C | °C | |
| Settling Time | 7 µs | µs | |
| INL/DNL | ±0.75 LSB (Max), ±1 LSB (Max) | LSB | |
| Package/Case | 28-pin PLCC | ||
| Mounting Type | Surface Mount | ||
| Reference Type | Internal | ||
| Data Interface | Parallel |
Key Features
- 12-bit resolution with high precision output
- Internal 5 V buried Zener diode for low noise, temperature-compensated reference
- Buffered voltage output capable of developing +10 V across a 2 kΩ load to GND
- Double-buffered parallel input interface for microprocessor compatibility
- High-speed data latches and asynchronous LDAC signal for fast data transfer
- CLR signal for power-on reset and other features
- R-2R ladder architecture for stable output
- Extended temperature range operation for commercial and industrial grades
- No external user trims required for full specified performance
- Lead-free and RoHS compliant
Applications
The AD7245AAPZ-REEL is suitable for a variety of applications that require high precision and reliability, including:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Test and measurement equipment
- Process control systems
Q & A
- What is the resolution of the AD7245AAPZ-REEL?
The AD7245AAPZ-REEL has a 12-bit resolution.
- What type of reference does the AD7245AAPZ-REEL use?
The AD7245AAPZ-REEL uses an internal 5 V buried Zener diode as its reference.
- What is the operating temperature range of the AD7245AAPZ-REEL?
The operating temperature range is from -40°C to 85°C.
- What is the settling time of the AD7245AAPZ-REEL?
The settling time is 7 µs.
- Does the AD7245AAPZ-REEL require external user trims?
No, the AD7245AAPZ-REEL does not require external user trims to achieve full specified performance.
- What type of data interface does the AD7245AAPZ-REEL use?
The AD7245AAPZ-REEL uses a parallel data interface.
- What is the package type of the AD7245AAPZ-REEL?
The AD7245AAPZ-REEL is packaged in a 28-pin PLCC.
- Is the AD7245AAPZ-REEL lead-free and RoHS compliant?
- What is the architecture of the DAC in the AD7245AAPZ-REEL?
The DAC uses an R-2R ladder architecture.
- Can the AD7245AAPZ-REEL be used in single supply operation?
