Overview
The AD5422BCPZ-REEL7, produced by Analog Devices Inc., is a 16-bit digital-to-analog converter (DAC) designed to meet the stringent requirements of industrial process control applications. This device is part of the AD5412/AD5422 family, which offers a programmable current source and programmable voltage output. It is known for its precision, low cost, and fully integrated design, making it suitable for a variety of industrial control systems.
Key Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Resolution | 16 Bits | For AD5422 model | |
| Voltage Output Ranges | 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V | V | With 10% overrange available on all ranges |
| Total Unadjusted Error (TUE) | ±0.01% FSR typical | % FSR | At 25°C |
| Output Drift | ±2 ppm FSR/°C | ppm FSR/°C | |
| Power Supply Range | AVDD: 10.8 V to 40 V, AVSS: −26.4 V to −3 V/0 V | V | |
| Temperature Range | −40°C to +85°C | °C | |
| Output Current Ranges | 0 mA to 20 mA, 4 mA to 20 mA, 0 mA to 24 mA (overrange) | mA | |
| Output Noise (100 kHz Bandwidth) | 200 µV rms | µV rms | |
| AC PSRR | −75 dB | dB | 200 mV 50 Hz/60 Hz sine wave superimposed on power supply voltage |
Key Features
- Programmable Current Source and Voltage Output: Supports various output ranges including 0 mA to 20 mA, 4 mA to 20 mA, and an overrange of 0 mA to 24 mA for current, and 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V for voltage.
- High Precision: Offers a total unadjusted error (TUE) of ±0.01% FSR typical and an output drift of ±2 ppm FSR/°C.
- Flexible Serial Interface: Compatible with SPI and MICROWIRE™, and can operate in 3-wire mode for minimized digital isolation.
- On-Chip Output Fault Detection and Reference: Includes on-chip output fault detection and a reference with a maximum drift of 10 ppm/°C.
- Optional Regulated DVCC Output and Asynchronous Clear Function: Provides additional functionality for power management and reset capabilities.
- Short and Open-Circuit Protection: Analog outputs are protected against short and open circuits and can drive capacitive loads up to 1 µF.
Applications
- Process Control: Ideal for industrial process control systems requiring precise analog outputs.
- Actuator Control: Suitable for controlling actuators in various industrial environments.
- PLC (Programmable Logic Controllers): Can be integrated into PLC systems for enhanced control and monitoring.
- HART Network Connectivity: The LFCSP package supports HART network connectivity, enabling communication over existing 4-20 mA loops.
Q & A
- What is the resolution of the AD5422BCPZ-REEL7?
The AD5422BCPZ-REEL7 has a resolution of 16 bits.
- What are the voltage output ranges of the AD5422BCPZ-REEL7?
The device supports voltage output ranges of 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V, with a 10% overrange available on all ranges.
- What is the total unadjusted error (TUE) of the AD5422BCPZ-REEL7?
The TUE is ±0.01% FSR typical at 25°C.
- What is the output drift of the AD5422BCPZ-REEL7?
The output drift is ±2 ppm FSR/°C.
- What is the power supply range for the AD5422BCPZ-REEL7?
The power supply range is AVDD: 10.8 V to 40 V and AVSS: −26.4 V to −3 V/0 V.
- What is the temperature range for the AD5422BCPZ-REEL7?
The temperature range is −40°C to +85°C.
- What are the output current ranges of the AD5422BCPZ-REEL7?
The output current ranges include 0 mA to 20 mA, 4 mA to 20 mA, and an overrange of 0 mA to 24 mA.
- Does the AD5422BCPZ-REEL7 support HART network connectivity?
Yes, the LFCSP package of the AD5422BCPZ-REEL7 supports HART network connectivity.
- What kind of protection does the AD5422BCPZ-REEL7 offer for its analog outputs?
The analog outputs are protected against short and open circuits and can drive capacitive loads up to 1 µF.
- What is the AC PSRR of the AD5422BCPZ-REEL7?
The AC PSRR is −75 dB with a 200 mV 50 Hz/60 Hz sine wave superimposed on the power supply voltage.
