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AD5421CREZ-RL7 The AD5421CREZ-RL7 is a 16-bit, loop-powered 4-20 mA digital-to-analog converter from Analog Devices. It features 0.05% total unadjusted error, SPI interface, and operates from -40°C to +105°C.
Mfr Part #:

AD5421CREZ-RL7

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD5421CREZ-RL7 is a 16-bit, loop-powered 4-20 mA digital-to-analog converter from Analog Devices. It features 0.05% total unadjusted error, SPI interface, and operates from -40°C to +105°C.
✓ Total Stock: 6,830 pcs

AD5421CREZ-RL7 Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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6,830 pcs
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6830 pcs On Request 1 On Request On Request On Request On Request On Request
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AD5421CREZ-RL7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Data Interface
Differential Output
INL
Mounting Type
Number of Bits
Number of D
Number of Pins
Operating Temperature
Output Type
Quiescent Current
Reference Type
SVHC Present
Settling Time
Supplier Device Package
Voltage
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AD5421CREZ-RL7 Description

Short technical summary and product information.

The AD5421 is a complete, loop-powered, 4 mA to 20 mA digital-to-analog converter (DAC) designed for smart transmitter applications in industrial control. It provides 16-bit resolution and monotonicity with a total unadjusted error of 0.05% maximum. The device supports pin-selectable NAMUR-compliant output ranges: 4-20 mA, 3.8-21 mA, and 3.2-24 mA. It includes an on-chip reference with 4 ppm/°C temperature coefficient and a quiescent current of 300 µA maximum. The AD5421 features a flexible SPI-compatible serial digital interface with Schmitt-triggered inputs, on-chip fault alerts, and slew rate control. It operates from a loop supply voltage of 5.5 V to 52 V and is specified over the -40°C to +105°C temperature range. The device is available in a 28-lead TSSOP package with exposed pad for surface mount assembly.

AD5421CREZ-RL7 Quick Information

Product Type: Loop-Powered 4-20 mA DAC
Canonical Name: AD5421CREZ-RL7 - 16-Bit, Serial Input, Loop-Powered 4-20 mA DAC
Subcategory: Current Output DAC

AD5421CREZ-RL7 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD5421CREZ-RL7 Features

  • 16-bit resolution and monotonicity.
  • Pin-selectable NAMUR-compliant output ranges.
  • Total unadjusted error: 0.05% maximum.
  • SPI-compatible serial digital interface.
  • Operates from -40°C to +105°C.

AD5421CREZ-RL7 Applications

  • Ideal for 4-20 mA loop-powered transmitters.
  • Used in industrial process control systems.
  • Suitable for smart transmitter designs.
  • Enables HART network connectivity.

AD5421CREZ-RL7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the AD5421CREZ-RL7?

16 bits.

What output ranges does the AD5421 support?

Pin-selectable NAMUR-compliant ranges: 4-20 mA, 3.8-21 mA, and 3.2-24 mA.

What is the operating temperature range?

-40°C to +105°C.

What is the supply voltage range for the AD5421?

The device requires a digital supply of 3.17V to 3.48V and a loop supply of 5.5V to 52V.

What package is the AD5421CREZ-RL7 available in?

28-lead TSSOP with exposed pad (28-TSSOP-EP).

Is the AD5421 RoHS compliant?

RoHS3 compliant (unverified).

What digital interface does the AD5421 use?

SPI and DSP compatible serial interface.

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