Overview
The AD7243ARZ is a complete 12-bit, voltage output, digital-to-analog converter (DAC) produced by Analog Devices Inc. It is integrated on a monolithic CMOS chip and includes an output amplifier and a Zener voltage reference. This device requires no external trims to achieve full specified performance, making it highly reliable and efficient. The AD7243ARZ is designed for high-performance data acquisition applications and is available in 16-lead DIP and 16-lead SOIC packages.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI |
| Reference Type | External, Internal |
| Supply Voltage | 10.8V to 16.5V (Analog) |
| INL/DNL (LSB) | 1 (Max), 0.9 (Max) |
| Architecture | R-2R |
| Settling Time | 10 μs |
| Operating Temperature | -40°C to 85°C |
| Output Voltage Ranges | 0 V to +5 V, 0 V to +10 V, ±5 V (with dual supplies) |
| DAC Update Rate | 300 kHz |
Key Features
- Complete 12-bit DAC with output amplifier and Zener voltage reference on a single chip.
- Single or dual supply operation with output voltage ranges of 0 V to +5 V, 0 V to +10 V, and ±5 V.
- 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.
- Nonlinearity of ±1/2 LSB from TMIN to TMAX.
- Packaged in 16-lead DIP and 16-lead SOIC packages.
Applications
- Process control.
- Industrial automation.
- Digital signal processing systems.
- Input/output ports.
- Data acquisition systems.
- Test and measurement equipment.
- Medical devices.
Q & A
- What is the resolution of the AD7243ARZ DAC?
The AD7243ARZ has a resolution of 12 bits.
- What are the output voltage ranges of the AD7243ARZ?
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 AD7243ARZ?
The maximum DAC update rate is 300 kHz.
- What type of data interface does the AD7243ARZ use?
The AD7243ARZ uses a serial interface (SPI).
- What is the settling time of the AD7243ARZ?
The settling time is 10 μs.
- Can the AD7243ARZ be used in multi-DAC systems?
- What is the power dissipation of the AD7243ARZ?
The typical power dissipation is 100 mW.
- What are the package options for the AD7243ARZ?
- What is the operating temperature range of the AD7243ARZ?
- Does the AD7243ARZ require external trims for full performance?
