AD5421BREZ

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AD5421BREZ

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IC DAC 16BIT C-OUT 28TSSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tube
Series AD5421
Part Status Active
Number of Bits 16
Number of D/A Converters 1
Settling Time 50µs (Typ)
Output Type Current - Buffered
Differential Output No
Data Interface SPI, DSP
Reference Type External, Internal
Voltage - Supply, Analog 1.71V ~ 5.5V
Voltage - Supply, Digital 3.17V ~ 3.48V
INL / DNL(LSB) -, ±1 (Max)
Architecture Cyclic Serial
Operating Temperature -40°C ~ 105°C
Supplier Device Package 28-TSSOP-EP

Tổng quan

Description

The AD5421BREZ is a 16-bit, current-output DAC (Digital-to-Analog Converter) from Analog Devices, designed for industrial control applications. 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 analog output.
- On-chip voltage reference (5 V, 10 ppm/°C).
- SPI-compatible serial interface for easy microcontroller integration.
- Programmable output ranges (4–20 mA, 0–20 mA, or 0–24 mA).
- HART®-compatible for industrial communication.
- Wide supply range (10.8 V to 40 V).
Applications include process control, PLCs, and smart transmitters. The AD5421BREZ 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

Equivalent products to the AD5421BREZ (16-bit DAC with current output) include:
- AD5420 (similar but with different output range)
- AD5412 (12-bit version)
- AD5755 (higher voltage/current output)
- DAC161P997 (TI alternative, 16-bit loop-powered)
- MAX5216 (Maxim Integrated, 16-bit DAC)
Check datasheets for exact compatibility in your application.

Features

The AD5421BREZ is a 16-bit, current-output DAC with the following key features:
- Resolution: 16-bit
- Output: 4–20 mA, 0–20 mA, or 0–24 mA programmable current
- Interface: Serial SPI/QSPI/MICROWIRE/DSP-compatible
- Supply Voltage: 10.8–40 V (loop-powered)
- On-Chip Features:
- Precision reference (10 ppm/°C max)
- Output fault detection (open/short-circuit)
- Power-on reset
- Thermal shutdown
- Package: 24-lead TSSOP (REZ)
- Applications: Process control, industrial automation, PLCs
It ensures high accuracy (±0.1% FSR max) and operates over -40°C to +105°C.

Pinout

The AD5421BREZ 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 Reference: 5 V (±0.05% max error).
- SPI-Compatible Serial Interface (3-wire, up to 30 MHz).
- HART®-Compatible for industrial control.
- Programmable Alarm Current for fault detection.
Pin Count: 24 pins (TSSOP package).
Notable pins include:
- VDD/VLOGIC (Power supply).
- IOUT (Current output).
- SCLK, SDIN, SYNC (SPI interface).
- FAULT (Alarm indicator).
Designed for industrial process control, PLCs, and smart transmitters.

Manufacturer

The AD5421BREZ is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves industries like industrial automation, automotive, healthcare, and communications. The AD5421BREZ is a 16-bit digital-to-analog converter (DAC) designed for precision control applications.
ADI is known for its innovation in signal processing and reliability, catering to demanding technical markets.

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