Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 16 |
| Number of D/A Converters | 1 |
| Settling Time | 40µs |
| Output Type | Current - Buffered |
| Differential Output | No |
| Data Interface | SPI, DSP |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 10.8V ~ 40V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| INL / DNL(LSB) | -, ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 24-TSSOP-EP |
Tổng quan
Description
The AD5420AREZ is a 16-bit, current-output DAC (Digital-to-Analog Converter) from Analog Devices, designed for industrial control and automation. It provides a 4–20 mA or 0–20 mA output with high accuracy (±0.01% FSR) and low drift.
Key features:
- 16-bit resolution for precise control.
- On-chip voltage reference (5 V) for simplified design.
- SPI-compatible serial interface for easy microcontroller integration.
- HART® modem compatibility for industrial communication.
- Wide supply range (10.8–40 V) for flexibility.
Applications include process control, PLCs, and smart transmitters. The AD5420AREZ comes in a 24-lead TSSOP package and operates over –40°C to +105°C, making it suitable for harsh environments.
For more details, refer to the datasheet on Analog Devices' website.
Key features:
- 16-bit resolution for precise control.
- On-chip voltage reference (5 V) for simplified design.
- SPI-compatible serial interface for easy microcontroller integration.
- HART® modem compatibility for industrial communication.
- Wide supply range (10.8–40 V) for flexibility.
Applications include process control, PLCs, and smart transmitters. The AD5420AREZ comes in a 24-lead TSSOP package and operates over –40°C to +105°C, making it suitable for harsh environments.
For more details, refer to the datasheet on Analog Devices' website.
Equivalent
The AD5420AREZ is a 16-bit DAC with current output. Equivalent alternatives include:
- AD5421: Similar but with added voltage output.
- AD5422: Higher precision (16/12-bit selectable).
- DAC161P997: TI’s 16-bit DAC with similar features.
- MAX5216: Maxim’s 16-bit current-output DAC.
Check datasheets for exact compatibility in your application.
- AD5421: Similar but with added voltage output.
- AD5422: Higher precision (16/12-bit selectable).
- DAC161P997: TI’s 16-bit DAC with similar features.
- MAX5216: Maxim’s 16-bit current-output DAC.
Check datasheets for exact compatibility in your application.
Pinout
The AD5420AREZ is a 16-bit, current-output DAC in a 24-lead TSSOP package.
Key Functions:
- Current Output: 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA (programmable).
- On-Chip Features: Reference, output amplifier, and fault detection.
- Interface: Serial SPI/QSPI/MICROWIRE-compatible.
- Power Supply: 10.8 V to 40 V (loop-powered).
Pin Count: 24 pins (TSSOP package).
Notable Pins:
- IOUT (Pin 16): Current output.
- DVDD (Pin 1): Digital supply.
- AVDD (Pin 24): Analog supply.
- SCLK, SDIN, SYNC (Pins 3-5): SPI interface.
Applications: Process control, PLCs, and industrial automation.
Key Functions:
- Current Output: 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA (programmable).
- On-Chip Features: Reference, output amplifier, and fault detection.
- Interface: Serial SPI/QSPI/MICROWIRE-compatible.
- Power Supply: 10.8 V to 40 V (loop-powered).
Pin Count: 24 pins (TSSOP package).
Notable Pins:
- IOUT (Pin 16): Current output.
- DVDD (Pin 1): Digital supply.
- AVDD (Pin 24): Analog supply.
- SCLK, SDIN, SYNC (Pins 3-5): SPI interface.
Applications: Process control, PLCs, and industrial automation.
Package
The AD5420AREZ comes in a 24-lead TSSOP (Thin Shrink Small Outline Package). This compact surface-mount package is suitable for space-constrained applications, offering reliable performance for industrial and instrumentation uses. The TSSOP type ensures efficient thermal and electrical characteristics.
