Overview
The DAC8760IRHAT is a 16-bit single-channel programmable current/voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed to meet the requirements of industrial process-control applications, particularly those involving 4-20mA current loops. It offers both current and voltage output capabilities, making it versatile for various industrial control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Current Output Range | 4 mA to 20 mA, 0 mA to 20 mA, 0 mA to 24 mA |
| Voltage Output Range | 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V (with 10% overrange) |
| Total Unadjusted Error (TUE) | ±0.1% FSR maximum |
| Differential Nonlinearity (DNL) | ±1 LSB maximum |
| Operating Temperature Range | –40°C to 125°C |
| Package Type | 40-pin VQFN (RHA) |
| Power Supply Range | Single 10 V to 36 V, or dual supplies up to ±18 V |
| Internal Reference | 5-V reference (10 ppm/°C, maximum) |
| Internal Power-Supply Output | 4.6-V power-supply output |
Key Features
- Simultaneous voltage and current output capabilities
- Internal 5-V reference with 10 ppm/°C maximum drift
- Internal 4.6-V power-supply output
- Reliability features: CRC check, watchdog timer, thermal alarm, open alarm, and short current limit
- Programmable output slew rate
- Ability to superimpose an external HART signal on the current output
- Power-on-reset function for known state startup
- Digital calibration via zero and gain registers
Applications
The DAC8760IRHAT is primarily used in industrial process-control applications, including but not limited to:
- 4-20mA current loop systems
- Industrial automation and control systems
- Process control instrumentation
- Industrial sensors and transmitters
- HART (Highway Addressable Remote Transducer) communication systems
Q & A
- What is the resolution of the DAC8760IRHAT?
The DAC8760IRHAT has a resolution of 16 bits.
- What are the current output ranges of the DAC8760IRHAT?
The current output ranges are 4 mA to 20 mA, 0 mA to 20 mA, and 0 mA to 24 mA.
- What are the voltage output ranges of the DAC8760IRHAT?
The voltage output ranges include 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V, with a 10% overrange option.
- What is the operating temperature range of the DAC8760IRHAT?
The operating temperature range is –40°C to 125°C.
- What package type does the DAC8760IRHAT come in?
The DAC8760IRHAT comes in a 40-pin VQFN (RHA) package.
- Can the DAC8760IRHAT support both single and dual power supplies?
- Does the DAC8760IRHAT have internal reference and power-supply outputs?
- What reliability features does the DAC8760IRHAT include?
The device includes CRC check, watchdog timer, thermal alarm, open alarm, and short current limit.
- Can the DAC8760IRHAT superimpose an external HART signal on the current output?
- Does the DAC8760IRHAT have a power-on-reset function?
