Overview
The DAC7760IRHAR is a 12-bit, single-channel, programmable digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for applications requiring high accuracy and flexibility in current and voltage output. It features a resistor-string architecture and supports both current and voltage outputs, making it suitable for a wide range of industrial and process control applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 12 | |
| Number of D/A Converters | 1 | |
| Output Type | Voltage or Current - Buffered | |
| Current Output Range | 0 mA to 20 mA, 0 mA to 24 mA, 4 mA to 20 mA | mA |
| Voltage Output Range | 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V | V |
| Settling Time | 25 µs (Typical) | µs |
| Data Interface | SPI, DSP | |
| Reference Type | External, Internal | |
| Analog Supply Voltage | 10 V to 36 V, -18 V to 0 V | V |
| Package | 40-VFQFN Exposed Pad |
Key Features
- Programmable current and voltage outputs with multiple ranges (0 mA to 20 mA, 0 mA to 24 mA, 4 mA to 20 mA; 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V)
- Support for HART modulation on the current output
- Single or dual supply operation (10 V to 36 V, ±18 V)
- Programmable slew rate and user calibration for gain and offset
- Internal reference output and thermal alarm
- SPI interface with up to 30 MHz data transfer rate
Applications
- Industrial process control systems
- Current loop applications (e.g., 4-20 mA loops)
- Automated test equipment
- Medical devices requiring precise analog outputs
- Industrial automation and control systems
Q & A
- What is the resolution of the DAC7760IRHAR?
The DAC7760IRHAR has a 12-bit resolution.
- What are the current output ranges of the DAC7760IRHAR?
The current output ranges are 0 mA to 20 mA, 0 mA to 24 mA, and 4 mA to 20 mA.
- What are the voltage output ranges of the DAC7760IRHAR?
The voltage output ranges include 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V.
- What is the settling time of the DAC7760IRHAR?
The settling time is typically 25 µs.
- Does the DAC7760IRHAR support HART modulation?
- What is the data interface of the DAC7760IRHAR?
The data interface is SPI and DSP.
- What are the supply voltage ranges for the DAC7760IRHAR?
The analog supply voltage ranges from 10 V to 36 V and -18 V to 0 V.
- What package type is the DAC7760IRHAR available in?
The DAC7760IRHAR is available in a 40-VFQFN Exposed Pad package.
- Can the DAC7760IRHAR operate with both single and dual supplies?
- Is user calibration available for the DAC7760IRHAR?
