AD5422BREZ-REEL
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C |
| Output Type | Voltage or Current - Buffered |
| Supplier Device Package | 24-TSSOP-EP |
| Number of Bits | 16 |
| Differential Output | No |
| Number of D/A Converters | 1 |
| Settling Time | 25µs (V), 40µs (A) (Typ) |
| Architecture | R-2R |
| Reference Type | External, Internal |
| Data Interface | SPI, DSP |
| Voltage - Supply, Analog | 10.8V ~ 40V, -3V ~ 26.4V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| INL/DNL (LSB) | -, ±1.3 (Max) |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Conevo-Key Programmable | Not Verified |
| Base Product Number | AD5422 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
AD5422BREZ-REEL 16-bit digital-to-analog converter
The AD5422BREZ-REEL from Analog Devices is a high-performance, single-channel 16-bit digital-to-analog converter (DAC) specifically engineered for industrial process control applications requiring robust and reliable analog outputs. This device integrates a precision DAC core with flexible output amplifiers capable of generating programmable voltage outputs (0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V) or current outputs (0 mA to 20 mA, 4 mA to 20 mA). Housed in a 32-lead LFCSP package, it is designed to operate over the industrial temperature range (-40°C to +105°C) and includes critical features for industrial environments, such as a 16-bit monotonic guarantee and a suite of diagnostic functions, making it a complete solution for actuator and valve control.
The architecture of the AD5422 is built around a stable, low-drift internal reference and a highly linear DAC core that ensures 16-bit integral and differential linearity (INL/DNL). A key innovation is its on-chip output driver circuitry, which delivers the voltage and current required for industrial loops directly from the chip, supporting loop power supplies up to 40 V. It features a versatile serial peripheral interface (SPI) for communication and includes a precision 10 ppm/°C (max) internal reference. Comprehensive diagnostic capabilities monitor output slew rate, open-circuit and short-circuit conditions on the current output, and undervoltage/overvoltage on the analog power supplies, providing critical system health data.
Alternative 16-Bit DAC Models
● Texas Instruments DAC8760: A 16-bit, single-channel voltage and current output DAC featuring an integrated diagnostics control unit and a wide 4.5V to 36V power supply range for robust industrial applications.
● Maxim Integrated (now part of Analog Devices) MAX5717: A single-channel, 16-bit voltage-output DAC with an internal reference and flexible serial interface, known for its high accuracy and small package size for space-constrained designs.
● Microchip Technology MCP4922: A dual-channel 12-bit voltage-output DAC offering a cost-effective solution with a fast SPI interface and low power consumption for general-purpose control and signal generation.
● Cirrus Logic (now part of Renesas) CS4372: While often an audio DAC, it's mentioned here for context; a more direct alternative in the high-end industrial space would be a device like the Renesas ISL26302, a 16-bit, single-channel DAC with high precision for instrumentation.
