Overview
The DAC7571IDBVTG4, produced by Texas Instruments, is a low-power, single-channel, 12-bit buffered voltage output Digital-to-Analog Converter (DAC). It features an on-chip precision output amplifier that allows for rail-to-rail output swing, making it suitable for a variety of applications requiring precise voltage output. The DAC operates over a power supply range of +2.7 V to +5.5 V and is designed for micropower operation, consuming only 140 µA at 5 V. This component is particularly useful in portable battery-operated equipment due to its low power consumption and power-down mode, which reduces current consumption to 50 nA at 5 V.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 | Bits |
| Power Supply Range | +2.7 V to +5.5 V | V |
| Current Consumption (Normal Operation) | 140 µA @ 5 V | µA |
| Current Consumption (Power-Down Mode) | 50 nA @ 5 V | nA |
| Settling Time | 10 µs to ±0.003%FS | µs |
| I2C Interface Speed | Up to 3.4 Mbps | Mbps |
| Output Voltage Range | 0 to VDD | V |
| Operating Temperature Range | –40°C to 105°C | °C |
| Package Type | 6-Lead SOT 23 |
Key Features
- Micropower operation: 140 µA @ 5 V
- Power-On Reset to Zero: Ensures the DAC output powers up at zero volts and remains there until a valid write to the device takes place.
- I2C compatible two-wire serial interface up to 3.4 Mbps with address support for up to two DAC7571s on the same data bus.
- On-chip precision output amplifier with rail-to-rail operation.
- Double-buffered input register.
- Power-down feature reducing current consumption to 50 nA at 5 V.
- Specified monotonic by design.
- Small 6-lead SOT 23 package.
Applications
- Process Control: Suitable for applications requiring precise voltage output and low power consumption.
- Data Acquisition Systems: Ideal for systems that need high accuracy and fast settling times.
- Portable Battery Operated Equipment: Low power consumption makes it suitable for battery-powered devices.
- Industrial Automation: Can be used in various industrial automation applications due to its precision and reliability.
Q & A
- What is the resolution of the DAC7571IDBVTG4?
The resolution of the DAC7571IDBVTG4 is 12 bits.
- What is the power supply range for the DAC7571IDBVTG4?
The power supply range is +2.7 V to +5.5 V.
- How much current does the DAC7571IDBVTG4 consume in normal operation?
The DAC7571IDBVTG4 consumes 140 µA at 5 V in normal operation.
- What is the settling time of the DAC7571IDBVTG4?
The settling time is 10 µs to ±0.003%FS.
- What is the speed of the I2C interface on the DAC7571IDBVTG4?
The I2C interface operates up to 3.4 Mbps.
- What is the output voltage range of the DAC7571IDBVTG4?
The output voltage range is 0 to VDD.
- What is the operating temperature range of the DAC7571IDBVTG4?
The operating temperature range is –40°C to 105°C.
- What package type is the DAC7571IDBVTG4 available in?
The DAC7571IDBVTG4 is available in a 6-lead SOT 23 package.
- Does the DAC7571IDBVTG4 have a power-down feature?
- What is the purpose of the power-on reset feature in the DAC7571IDBVTG4?
The power-on reset feature ensures that the DAC output powers up at zero volts and remains there until a valid write to the device takes place.
