ANALOG DEVICES Generic Signal Chains for Current Measurement Shunt User Guide
- June 3, 2024
- Analog Devices
Table of Contents
ANALOG DEVICES Generic Signal Chains for Current Measurement Shunt
PRECISION CURRENT SENSING
Generic Signal Chains for Current Measurement Shunt: Common-Mode Voltage Level
Up to 18V
USER GUIDE
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Precision Current Sensing
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
- AD4000 Datasheet and Product Info | Analog Devices
- AD8421 Datasheet and Product Info | Analog Devices
- ADP5070 Datasheet and Product Info | Analog Devices
- ADP7118 Datasheet and Product Info | Analog Devices
- ADR4550 Datasheet and Product Info | Analog Devices
- LT3032 Series Datasheet and Product Info | Analog Devices
- LT8330 Datasheet and Product Info | Analog Devices
- LT8604/LT8604C Datasheet and Product Info | Analog Devices