Overview
The AD7243AR-REEL, produced by Analog Devices Inc., is a complete 12-bit, voltage output, digital-to-analog converter (DAC) integrated on a monolithic CMOS chip. This device features an on-chip voltage reference and an output amplifier, making it a self-contained solution for various applications. The AD7243 is designed for reliability and ease of use, with no external trims required to achieve full specified performance. It supports single or dual supply operation and offers multiple output voltage ranges, including 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Output Voltage Ranges | 0 V to +5 V, 0 V to +10 V, ±5 V (dual supply) |
| Data Format | Natural binary (unipolar), offset binary or two’s complement (bipolar) |
| DAC Update Rate | 300 kHz |
| Serial Interface Speed | Up to 5 MHz |
| Power Dissipation | 100 mW typical |
| Nonlinearity | ±1/2 LSB (TMIN to TMAX) |
| Package Types | 16-lead DIP, 16-lead SOIC |
Key Features
- Complete 12-bit DAC with on-chip voltage reference and output amplifier.
- Three selectable output voltage ranges: 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.
- Fast and versatile serial interface supporting up to 5 MHz data rates.
- Serial data output capability for daisy-chaining in multi-DAC systems.
- CLR function for power-on reset to a known voltage level.
- Low power dissipation and high reliability due to single-chip design.
- Support for both microcomputers and 16-bit digital signal processors.
Applications
- Process Control
- Industrial Automation
- Digital Signal Processing Systems
- Input/Output Ports
Q & A
- What is the resolution of the AD7243?
The AD7243 has a resolution of 12 bits.
- What are the available output voltage ranges for the AD7243?
The output voltage ranges are 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.
- What is the maximum DAC update rate of the AD7243?
The maximum DAC update rate is 300 kHz.
- What is the maximum speed of the serial interface?
The serial interface supports data rates up to 5 MHz.
- Does the AD7243 support daisy-chaining in multi-DAC systems?
- What is the purpose of the CLR function in the AD7243?
The CLR function sets the output to a known voltage level, useful as a power-on reset.
- What are the package types available for the AD7243?
The AD7243 is available in 16-lead DIP and 16-lead SOIC packages.
- What is the typical power dissipation of the AD7243?
The typical power dissipation is 100 mW.
- Is the AD7243 suitable for use in noisy environments?
- What technology process is the AD7243 fabricated on?
The AD7243 is fabricated on Linear Compatible CMOS (LC2MOS), an advanced mixed technology process.
