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AD421

Features: 4 mA to 20 mA Current OutputHART® Compatible16-Bit Resolution and Monotonicity±0.01% Integral Nonlinearity5 V or 3 V Regulator Output2.5 V and 1.25 V Precision Reference750 A Quiescent Current maxProgrammable Alarm Current CapabilityFlexible High Speed Serial Interface16-Lead SOIC an...

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SeekIC No. : 004268752 Detail

AD421: Features: 4 mA to 20 mA Current OutputHART® Compatible16-Bit Resolution and Monotonicity±0.01% Integral Nonlinearity5 V or 3 V Regulator Output2.5 V and 1.25 V Precision Reference750 A Quiescent...

AD421 Data Sheet

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Part Number:
AD421
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/4

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Product Details

Description



Features:

4 mA to 20 mA Current Output
HART® Compatible
16-Bit Resolution and Monotonicity
±0.01% Integral Nonlinearity
5 V or 3 V Regulator Output
2.5 V and 1.25 V Precision Reference
750 A Quiescent Current max
Programmable Alarm Current Capability
Flexible High Speed Serial Interface
16-Lead SOIC and PDIP Packages




Pinout

Connection Diagram

AD421 Diagram




Specifications

(TA = +25 unless otherwise noted)
DRIVE, BOOST, COMP to COM .. . 0.5 V to VCC + 0.5 V
LOOP RTN to COM . . . . . . . . . . .. . . . . . 2 V to + 0.5 V
Digital Input Voltage to COM . . . 0.5 V to VCC + 0.5 V
Operating Temperature Range
Commercial (B Version) . . . . . . . . . .... 40 to +85
Storage Temperature Range . . . . . . . . 65 to +150
Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150
Plastic DIP Package, Power Dissipation . . . . . . . 670 mW
JA Thermal Impedance . . . . . . . . . . . . . . .. .. . . 116/W
Lead Temperature (Soldering, 10 sec) . . . .. . .. . . . 260
SOIC Package, Power Dissipation . . . . . . .. . . . . 450 mW
JA Thermal Impedance . . . . . . . . . . . . . . .. . . . 110/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . .. . .. . . . . +215
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . .. . . . +220

Resolution (Bits) 16bit
DAC Update Rate 125SPS
DAC Settling Time 8ms
# DAC Outputs 1
DAC Type Current Out
DAC Input Format Ser
Output FSR (4-20mA)
Ref Int/Ext Int/Ext
Supply Vnom Single(+3),Single(+3.3),Single(+5)
Pwr Diss 1.95mW
Package DIP,SOIC





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