Overview
The DAC8750IPWP, produced by Texas Instruments, is a 16-bit single-channel programmable current output digital-to-analog converter (DAC) designed to meet the requirements of industrial process-control applications. This device is part of the DACx750 family, which includes both 12-bit and 16-bit DACs. It is known for its precision, reliability, and wide range of programmable current outputs, making it suitable for various industrial automation and control systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit |
| Current Output Ranges | 0 mA to 24 mA, 4 mA to 20 mA, 0 mA to 20 mA |
| Total Unadjusted Error (TUE) | ±0.1% FSR typical |
| Differential Nonlinearity (DNL) | ±1 LSB maximum |
| Maximum Loop Compliance Voltage | AVDD – 2 V |
| Internal Reference | 5-V, 10 ppm/°C (maximum) |
| Internal Power-Supply Output | 4.6-V |
| Operating Temperature Range | –40°C to +125°C |
| Package Options | 24-pin HTSSOP, 40-pin VQFN |
| Interface | SPI |
| Supply Voltage Range | 10-V to 36-V |
Key Features
- CRC frame error check
- Watchdog timer
- Thermal alarm
- Open-circuit alarm
- Pins to monitor output current
- On-chip fault alarm
- User-calibration for offset and gain
- Programmable output slew rate
- Ability to superimpose an external HART signal on the current output
- Power-on-reset function to ensure known state at startup
Applications
The DAC8750IPWP is primarily used in industrial process-control applications, including but not limited to:
- Programmable Logic Controllers (PLCs)
- Industrial automation systems
- Process control systems requiring precise current output
- Systems that require HART communication protocol
Q & A
- What is the resolution of the DAC8750IPWP?
The DAC8750IPWP has a resolution of 16 bits. - What are the current output ranges available for the DAC8750IPWP?
The device can be programmed for current outputs ranging from 0 mA to 24 mA, 4 mA to 20 mA, or 0 mA to 20 mA. - What is the typical total unadjusted error (TUE) of the DAC8750IPWP?
The typical TUE is ±0.1% FSR. - What is the maximum differential nonlinearity (DNL) of the DAC8750IPWP?
The maximum DNL is ±1 LSB. - What is the maximum loop compliance voltage for the DAC8750IPWP?
The maximum loop compliance voltage is AVDD – 2 V. - Does the DAC8750IPWP have an internal reference and power-supply output?
Yes, it includes an internal 5-V reference with 10 ppm/°C (maximum) and an internal 4.6-V power-supply output. - What are the package options available for the DAC8750IPWP?
The device is available in 24-pin HTSSOP and 40-pin VQFN packages. - What is the operating temperature range of the DAC8750IPWP?
The operating temperature range is –40°C to +125°C. - Can the DAC8750IPWP superimpose an external HART signal on the current output?
Yes, it can superimpose an external HART signal on the current output. - What is the supply voltage range for the DAC8750IPWP?
The supply voltage range is 10-V to 36-V.
