Overview
The AD7243BNZ, produced by Analog Devices Inc., is a complete 12-bit, voltage output, digital-to-analog converter (DAC) integrated on a single monolithic CMOS chip. This device includes an on-chip voltage reference and an output amplifier, making it a self-contained solution for various applications. The AD7243BNZ operates with either single or dual supply configurations, offering output voltage ranges of 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies. The device features a fast and versatile serial interface, supporting data rates up to 5 MHz and a DAC update rate of 300 kHz, which facilitates easy integration with microcomputers and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Output Voltage Ranges | 0 V to +5 V, 0 V to +10 V, ±5 V (with dual supplies) |
| Supply Voltage | Single or dual supply operation |
| DAC Update Rate | 300 kHz |
| Serial Data Rate | Up to 5 MHz |
| Nonlinearity | ±1/2 LSB (TMIN to TMAX) |
| Power Dissipation | 100 mW typical |
| Package Types | 16-lead DIP, 16-lead SOIC |
Key Features
- Complete 12-bit DAC with on-chip voltage reference and output amplifier on a single CMOS chip.
- Single or dual supply operation with selectable output voltage ranges.
- Fast and versatile serial interface supporting up to 5 MHz data rates and 300 kHz DAC update rate.
- Serial data output capability for daisy-chaining in multi-DAC systems.
- CLR function for setting the output to a known voltage level, useful as a power-on reset.
- Low power dissipation of 100 mW typical.
- Small size with 16-lead DIP or SOIC packages.
Applications
- Process Control
- Industrial Automation
- Digital Signal Processing Systems
- Input/Output Ports
Q & A
- What is the resolution of the AD7243BNZ?
The AD7243BNZ has a resolution of 12 bits.
- What are the output voltage ranges of the AD7243BNZ?
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 AD7243BNZ?
The maximum DAC update rate is 300 kHz.
- What is the maximum serial data rate supported by the AD7243BNZ?
The maximum serial data rate is up to 5 MHz.
- What package types are available for the AD7243BNZ?
The device is available in 16-lead DIP and 16-lead SOIC packages.
- Does the AD7243BNZ support daisy-chaining in multi-DAC systems?
Yes, it supports daisy-chaining through its serial data output capability.
- What is the power dissipation of the AD7243BNZ?
The typical power dissipation is 100 mW.
- What is the purpose of the CLR function in the AD7243BNZ?
The CLR function sets the output to a known voltage level, which is useful as a power-on reset.
- What technology process is used to fabricate the AD7243BNZ?
The device is fabricated using Linear Compatible CMOS (LC2MOS), an advanced mixed technology process.
- In what applications is the AD7243BNZ commonly used?
It is commonly used in process control, industrial automation, digital signal processing systems, and input/output ports.
