ANALOG DEVICES Generic Signal Chains for Current Measurement Shunt User Guide

June 3, 2024
Analog Devices

ANALOG DEVICES Generic Signal Chains for Current Measurement Shunt

ANALOG-DEVICES-Generic-Signal-Chains-for-Current-Measurement-Shunt-PRODUCT-
IMG

PRECISION CURRENT SENSING
Generic Signal Chains for Current Measurement Shunt: Common-Mode Voltage Level Up to 18V

USER GUIDE

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For the resources:ANALOG-DEVICES-Generic-Signal-Chains-for-Current-
Measurement-Shunt-FIG- \(2\) ANALOG-DEVICES-Generic-Signal-Chains-for-Current-Measurement-Shunt-FIG-
\(3\)

For the individual pages:ANALOG-DEVICES-Generic-Signal-Chains-for-Current-
Measurement-Shunt-FIG- \(4\)

Precision Current Sensing

ANALOG-DEVICES-Generic-Signal-Chains-for-
Current-Measurement-Shunt-FIG- \(5\).

Generic Signal Chain for Current Measurement
Shunt : Common Mode Voltage Up to 18V

Non-isolated

  • 1-Channel
PART # DESCRIPTION
AD P7118 20 V, 200 mA, Low Noise, CMOS LDO Linear Regulator
LT3032- 15 Dual 150mA Positive/Negative Low Noise Low Dropout

Linear Regulator
ADP5070| 1 A/0.6 A, DC-to-DC Switching Regulator with Independent Positive and Negative Outputs
LT8330| Low IQ Boost/SEPIC/Inverting Converter with 1A, 60V Switch
LT8604| High Efficiency 42V/120mA Synchronous Buck

POWER REQUIREMENTS


PARAMETER

| STAGES| Instrumentation Amp| Filter| ADC| Reference
---|---|---|---|---|---
Part #| AD8421| –| AD4000| ADR4550
Pin| +VS| -VS|  | VDD| VIO| IN
Supply Voltage| V| 15| -15| –| 1.8| 3.3| 5.1 to 15
Supply Current| mA| 2.6| 2.6| –| 5.4| 0.15| 0.95
PSRR| dB| 20 (500kHz, G=1)| 50 (500kHz, G=1)| –| 65 (700kHz)| 60 (1MHz)

  • Note 1:
    The supply currents indicated are the maximum quiescent current of the supply rails. For overall full load or short circuit current specifications, refer to the datasheets of the signal chain components.

  • Note 2:
    The supply voltages indicated are the values for typical applications.

  • Note 3:
    Consult the corresponding datasheets for details on: (1) power supply rejection ratio (PSRR) and (2) power dissipation.

  • Note 4:
    The actual supply current requirement shall be multiplied depending on the number of channels on the signal chain.

References

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