AD598JRZ
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Analog Devices Inc. AD598JRZ

Manufacturer No:
AD598JRZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC LVDT SGNL COND OSC/REF 20SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD598JRZ, produced by Analog Devices Inc., is a complete, monolithic Linear Variable Differential Transformer (LVDT) signal conditioning subsystem. This integrated circuit is designed to work in conjunction with LVDTs and RVDTs to convert mechanical position into a unipolar or bipolar DC voltage with high accuracy and repeatability. The AD598JRZ includes all necessary circuit functions on a single chip, requiring only a few external passive components to set the frequency and gain. It features a low distortion sine wave oscillator to drive the LVDT primary and processes the LVDT secondary output to produce a scaled DC signal.

Key Specifications

Parameter Value Unit
Temperature Range 0°C to +70°C °C
Package Type 20-Pin Small Outline (SOIC)
Total Supply Voltage +36 V V
Storage Temperature Range –65°C to +150°C °C
Power Dissipation (up to +65°C) 1.2 W W
Derating Above +65°C 12 mW/°C mW/°C
LVDT Excitation Frequency Range 20 Hz to 20 kHz Hz
LVDT Primary Drive Voltage Up to 24 V rms V rms
LVDT Secondary Input Level As low as 100 mV rms mV rms

Key Features

  • Single Chip Solution: Includes internal oscillator and voltage reference.
  • No Adjustments Required: Eliminates the need for adjustments, improving system accuracy and reliability.
  • Insensitive to Transducer Null Voltage and Phase Shifts: Uses a ratiometric decoding scheme to ensure accuracy is not affected by transducer null voltage or primary to secondary phase shifts.
  • Multiple LVDTs Support: Can drive multiple LVDTs in series or parallel, provided power dissipation limits are not exceeded.
  • Thermal Protection: Excitation output is thermally protected.
  • Long Cable Drive Capability: Can drive an LVDT at the end of 300 feet of cable and position output can drive up to 1000 feet of cable.
  • Loop Integrator Capability: Can be used as a loop integrator in simple electromechanical servo loops.

Applications

  • Telemetry Systems: Suitable for telemetry applications where the interface electronics may be remote from the LVDT.
  • Hostile Environments: Can operate in hostile environments due to its robust design and thermal protection.
  • Electromechanical Servo Loops: Can be used in the design of simple electromechanical servo loops.
  • Industrial Automation: Used in various industrial automation applications requiring precise position measurement.

Q & A

  1. What is the primary function of the AD598JRZ?

    The AD598JRZ is a monolithic Linear Variable Differential Transformer (LVDT) signal conditioning subsystem that converts mechanical position into a unipolar or bipolar DC voltage.

  2. What types of transducers can the AD598JRZ work with?

    The AD598JRZ can work with LVDTs and RVDTs.

  3. What is the temperature range for the AD598JRZ?

    The temperature range for the AD598JRZ is 0°C to +70°C.

  4. What is the maximum supply voltage for the AD598JRZ?

    The maximum supply voltage for the AD598JRZ is +36 V.

  5. Can the AD598JRZ drive multiple LVDTs?

    Yes, the AD598JRZ can drive multiple LVDTs in series or parallel, provided power dissipation limits are not exceeded.

  6. How does the AD598JRZ handle transducer null voltage and phase shifts?

    The AD598JRZ uses a ratiometric decoding scheme that eliminates the effects of transducer null voltage and primary to secondary phase shifts on system accuracy.

  7. What is the maximum length of cable the AD598JRZ can drive for LVDT and position output?

    The AD598JRZ can drive an LVDT at the end of 300 feet of cable, and the position output can drive up to 1000 feet of cable.

  8. Can the AD598JRZ be used in hostile environments?

    Yes, the AD598JRZ is suitable for use in hostile environments due to its robust design and thermal protection.

  9. What is the power dissipation limit for the AD598JRZ up to +65°C?

    The power dissipation limit for the AD598JRZ up to +65°C is 1.2 W.

  10. How does the AD598JRZ handle thermal protection?

    The excitation output of the AD598JRZ is thermally protected.

Product Attributes

Type:Signal Conditioner
Input Type:Voltage
Output Type:Voltage
Current - Supply:15 mA
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:20-SOIC
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$62.21
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Similar Products

Part Number AD598JRZ AD598JR
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Obsolete
Type Signal Conditioner Signal Conditioner
Input Type Voltage Voltage
Output Type Voltage Voltage
Current - Supply 15 mA 15 mA
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC 20-SOIC

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