Overview
The DAC1220E is a 20-bit digital-to-analog (D/A) converter manufactured by Texas Instruments. It offers 20-bit monotonic performance over a temperature range of -40°C to +85°C, utilizing delta-sigma technology to achieve inherently linear performance in a small package at very low power. The device is designed for high-resolution applications in various markets, including industrial process control, test and measurement, and remote or battery-powered systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 20 bits |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | SSOP-16 |
| Pins | 16 |
| Power Consumption | 2.5 mW |
| Settling Time | 2 ms to 0.012% (max), 15 ms to 0.003% (typical) |
| Maximum Linearity Error | ±0.0015% |
| Output Voltage Range | 0V to 2 * VREF |
| Interface | Synchronous Serial Interface |
Key Features
- 20-bit monotonic performance over the specified temperature range
- Low power consumption: 2.5 mW
- Voltage output with a range of 0V to 2 * VREF
- Fast settling time: 2 ms to 0.012% (max), 15 ms to 0.003% (typical)
- Maximum linearity error: ±0.0015%
- On-chip calibration circuitry for reduced offset and gain errors
- Synchronous serial interface for easy communication with microcontrollers and digital systems
Applications
- Process Control
- ATE Pin Electronics
- Closed-Loop Servo Control
- Smart Transmitters
- Portable Instruments
- Remote and battery-powered systems
- Isolated systems
Q & A
- What is the resolution of the DAC1220E?
The DAC1220E has a resolution of 20 bits. - What is the operating temperature range of the DAC1220E?
The operating temperature range is -40°C to +85°C. - What is the power consumption of the DAC1220E?
The power consumption is 2.5 mW. - What is the settling time of the DAC1220E?
The settling time is 2 ms to 0.012% (max) or 15 ms to 0.003% (typical). - What is the maximum linearity error of the DAC1220E?
The maximum linearity error is ±0.0015%. - What type of interface does the DAC1220E use?
The DAC1220E uses a synchronous serial interface. - In what package is the DAC1220E available?
The DAC1220E is available in an SSOP-16 package. - What are some common applications of the DAC1220E?
Common applications include process control, ATE pin electronics, closed-loop servo control, smart transmitters, and portable instruments. - How does the DAC1220E achieve low offset and gain errors?
The DAC1220E achieves low offset and gain errors through on-chip calibration circuitry. - Is the DAC1220E suitable for remote or battery-powered systems?
Yes, the DAC1220E is suitable for remote or battery-powered systems due to its low power consumption.
