Overview
The AD7237ABRZ-REEL, produced by Analog Devices Inc., is an enhanced version of the industry-standard AD7237 dual 12-bit digital-to-analog converter (DAC). This component is part of the AD7237A/AD7247A series, which offers significant improvements over its predecessors, including operation from 12 V to 15 V supplies, faster interface times, and better reference voltage stability. The AD7237A features a double-buffered interface structure and an 8-bit wide data bus, making it highly suitable for applications requiring precise and fast analog output generation.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage Range | 11.4 V to 15.75 V |
| Output Ranges | 0 V to +5 V, 0 V to +10 V (single supply); ±5 V (dual supply) |
| Package Type | 24-Lead SOIC (Wide) |
| Temperature Range | -40°C to 85°C |
| Interface | Double-buffered, 8-bit wide data bus |
| Reference Voltage | On-chip 5 V reference or external reference |
| Load Capability | +10 V across a 2 kΩ load to GND |
Key Features
- Complete, dual 12-bit DAC with output amplifiers and Zener voltage reference on a monolithic CMOS chip.
- No external user trims required to achieve full specified performance.
- Microprocessor compatible with high-speed data latches and interface logic.
- Double-buffered interface structure and an 8-bit wide data bus.
- Faster settling times and improved reference voltage stability.
- REF OUT/REF IN function allows use of on-chip or external reference voltage.
Applications
The AD7237ABRZ-REEL is suitable for a variety of applications that require precise and fast digital-to-analog conversion. These include:
- Industrial control systems
- Aerospace and defense systems
- Medical devices
- Automotive systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7237ABRZ-REEL?
The AD7237ABRZ-REEL has a resolution of 12 bits. - What is the supply voltage range for the AD7237ABRZ-REEL?
The supply voltage range is from 11.4 V to 15.75 V. - What are the available output ranges for the AD7237ABRZ-REEL?
The output ranges include 0 V to +5 V, 0 V to +10 V (single supply), and ±5 V (dual supply). - What type of package does the AD7237ABRZ-REEL come in?
The AD7237ABRZ-REEL comes in a 24-Lead SOIC (Wide) package. - What is the temperature range for the AD7237ABRZ-REEL?
The temperature range is from -40°C to 85°C. - Does the AD7237ABRZ-REEL require external user trims?
No, the AD7237ABRZ-REEL does not require external user trims to achieve full specified performance. - What is the load capability of the output amplifiers?
The output amplifiers are capable of developing +10 V across a 2 kΩ load to GND. - Can the AD7237ABRZ-REEL use an external reference voltage?
Yes, the REF OUT/REF IN function allows the use of either the on-chip 5 V reference or an external reference voltage. - Is the AD7237ABRZ-REEL microprocessor compatible?
Yes, the AD7237ABRZ-REEL is microprocessor compatible with high-speed data latches and interface logic. - What are some typical applications for the AD7237ABRZ-REEL?
Typical applications include industrial control systems, aerospace and defense systems, medical devices, automotive systems, and test and measurement equipment.
