Overview
The DAC8571IDGK from Texas Instruments is a low-power, 16-bit voltage output Digital-to-Analog Converter (DAC) with an I2C compatible two-wire serial interface. This device is designed for applications requiring high precision and low power consumption, making it ideal for portable battery-operated equipment. The DAC8571 features an on-chip precision output amplifier that allows for rail-to-rail output swing and settles within 10 microseconds. It operates on a single supply voltage ranging from +2.7 V to +5.5 V and is available in an 8-lead MSOP package, specified over a temperature range of -40°C to 105°C.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Supply Voltage (VDD) | 2.7 | - | 5.5 | V |
| Supply Current (IDD) @ 5 V | 160 | 225 | - | µA |
| Supply Current (IDD) in Power-Down Mode | 0.2 | 1 | - | µA |
| Settling Time | - | 10 | - | µs |
| Offset Error @ 25°C | - | ±1 | - | mV |
| Full-Scale Error @ 25°C | - | ±3 | - | mV |
| I2C Clock Frequency | - | - | 3.4 | MHz |
| Operating Temperature Range | -40 | - | 105 | °C |
Key Features
- Micropower Operation: 160 µA @ 5 V
- Power-On Reset to Zero
- Single Supply: +2.7 V to +5.5 V
- 16-Bit Monotonic
- Settling Time: 10 µs to ±0.003% FSR
- I2C Interface With High-Speed Mode
- Supports Data Receive and Transmit
- On-Chip Rail-to-Rail Output Buffer
- Double-Buffered Input Register
- Supports Synchronous Multichannel Update
- Offset Error: ±1 mV max at 25°C
- Full-Scale Error: ±3 mV max at 25°C
- Small 8 Lead MSOP Package
Applications
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation
Q & A
- What is the resolution of the DAC8571? The DAC8571 has a 16-bit resolution.
- What is the supply voltage range for the DAC8571? The supply voltage range is from +2.7 V to +5.5 V.
- What is the typical supply current at 5 V? The typical supply current at 5 V is 225 µA.
- How long does the DAC8571 take to settle? The settling time is 10 µs to ±0.003% FSR.
- What type of interface does the DAC8571 use? The DAC8571 uses an I2C compatible two-wire serial interface.
- What are the supported I2C modes? The DAC8571 supports standard, fast, and high-speed modes of I2C operation.
- What is the maximum I2C clock frequency? The maximum I2C clock frequency is 3.4 MHz.
- What is the operating temperature range of the DAC8571? The operating temperature range is -40°C to 105°C.
- What is the package type of the DAC8571? The DAC8571 is available in an 8-lead MSOP package.
- What are some typical applications of the DAC8571? Typical applications include process control, data acquisition systems, closed-loop servo control, PC peripherals, and portable instrumentation.
