Overview
The DAC8803IDBRG4, produced by Texas Instruments, is a quad, 14-bit, current-output digital-to-analog converter (DAC) designed for high-performance applications. This device operates from a single +2.7-V to +5-V supply and features a high-speed, 3-wire, SPI-compatible interface. The DAC8803 is known for its precision and versatility, making it suitable for a variety of industrial and instrumentation uses.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 | Bits |
| Relative Accuracy | ±1 | LSB |
| Differential Nonlinearity | ±1 | LSB |
| Full-Scale Current | 2 mA (with VREF = ±10 V) | |
| Settling Time | 0.5 µs | |
| Reference Bandwidth | 10 MHz | |
| Reference Dynamics | -105 dB THD | |
| Power Supply Range | +2.7 V to +5.5 V | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | SSOP-28 |
Key Features
- Quad, 14-bit, current-output digital-to-analog converter
- High-speed, 3-wire, SPI-compatible interface with 50-MHz clock rate
- Double-buffered registers for simultaneous multichannel update
- Internal power-on reset and midscale or zero-scale reset options
- Four separate 4-quadrant multiplying reference inputs
- Compact SSOP-28 package with industry-standard pin configuration
- Automatic test equipment and digitally-controlled calibration capabilities
Applications
- Automatic test equipment
- Instrumentation
- Digitally-controlled calibration systems
- Industrial control systems
- High-precision data acquisition systems
Q & A
- What is the resolution of the DAC8803?
The DAC8803 has a resolution of 14 bits.
- What is the operating voltage range of the DAC8803?
The DAC8803 operates from a single +2.7-V to +5-V supply.
- What is the settling time of the DAC8803?
The settling time of the DAC8803 is 0.5 µs.
- Does the DAC8803 support SPI interface?
Yes, the DAC8803 supports a high-speed, 3-wire, SPI-compatible interface.
- What is the package type of the DAC8803?
The DAC8803 is packaged in an SSOP-28 package.
- What are the key applications of the DAC8803?
The DAC8803 is used in automatic test equipment, instrumentation, digitally-controlled calibration systems, industrial control systems, and high-precision data acquisition systems.
- Does the DAC8803 have internal power-on reset?
Yes, the DAC8803 has an internal power-on reset that forces the output voltage to zero at system turn-on.
- Can the DAC8803 be used for simultaneous multichannel updates?
Yes, the DAC8803 features double-buffered registers that enable simultaneous multichannel updates.
- What is the reference bandwidth of the DAC8803?
The reference bandwidth of the DAC8803 is 10 MHz.
- What is the operating temperature range of the DAC8803?
The operating temperature range of the DAC8803 is -40°C to +85°C.
