AD5422BREZ-REEL
Digital to Analog Converters (DAC)
Technical Specifications
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +85°C |
| Working Voltage V | 25.4 V |
| Function | Bipolar output;Built-in reference source;Output short-circuit protection;Power-on reset |
| Channels | 1.0 |
| Settling Time | 10us |
| Type | Description |
|---|---|
| Quiescent Current (Iq) | 3.4mA |
| Integral non - linearity | - |
| Resolution (Bits) | 16;- |
| Interface Type | SPI |
| Package / Case | HTSSOP-24 |
Product Introduction
The AD5412/AD5422 are low cost, precision, fully integrated, 12-/16-bit DACs with programmable current source outputs and programmable voltage outputs, designed to meet the requirements of industrial process control applications.
The output current range is programmable to 4 mA to 20 mA, 0 mA to 20 mA, or an overrange of 0 mA to 24 mA.
The LFCSP version of this product has a CAP2 pin that allows HART signals to be coupled to the current output of the AD5412/AD5422.
The voltage output is provided on a separate pin that can be configured to provide 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V output ranges; all ranges provide 10% overrange.
The analog outputs are protected against short-circuit and open-circuit conditions and can drive capacitive loads of 1 μF.
The device operates from an AVDD supply voltage range of 10.8 V to 40 V. The output loop compliance voltage is 0 V to AVDD − 2.5 V.
The flexible serial interface is SPI and MICROWIRE compatible and can operate in 3-wire mode, significantly reducing the digital isolation requirements for isolated applications.
The device also includes a power-on reset function that ensures the device powers up in a known state. The device also contains an asynchronous clear pin (CLEAR) that can set the output to a zero-scale/midscale voltage output or to the low end of the selected current range.
The total output error is typically ±0.01% in both current mode and voltage mode.
Features
- 12/16-bit resolution and monotonicity
- Current output range: 4 mA to 20 mA, 0 mA to 20 mA, 0 mA to 24 mA
- Total unadjusted error (TUE): ±0.01% (typical, FSR)
- Output drift: ±3 ppm/°C
- Voltage output range: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V
- Overrange capability: ±70%
- Total unadjusted error (TUE): ±0.01% (typical, FSR)
- Output temperature drift: ±2 ppm/°C
- Flexible serial digital interface
- On-chip output fault detection
- On-chip voltage reference: 10 ppm/°C maximum temperature drift
- Optional regulated DVcc output
- Asynchronous clear function
- Supply voltage range AVDD: 10.8 V to 40 V; AVSS: −26.4 V to −3 V/0 V
- Output loop compliance voltage: AVDD − 2.5 V
- Temperature range: −40°C to +85°C
- TSSOP and LFCSP packages
Applications
- - Process control - Actuator control - PLC - HART network connectivity (LFCSP package only)
Datasheet
Alternative Parts
Common AD5422BREZ-REEL alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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