ANALOG DEVICES LT3471 Precision Low Power Multichannel Voltage Current and Biosignal Measurement Noise Optimized User Guide
- June 4, 2024
- Analog Devices
Table of Contents
ANALOG DEVICES LT3471 Precision Low Power Multichannel Voltage Current and Biosignal Measurement Noise Optimized
USER GUIDE
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Power Requirements
PART #
| DESCRIPTION
---|---
| Ultra Configurable PMIC Featuring 93% Peak Efficiency Single-Inductor, 3-Output Buck-Boost, 1-LDO for Long Battery Life
| 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
| 4V to 42V, 25mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22µA No-Load Supply Current
| Ultralow Noise, 150 mA CMOS Linear Regulator
| Low Emission Isolated DC to DC Converter
POWER REQUIREMENTS
PARAMETER| STAGES| Amplifier| ADC| Reference|
Isolation
---|---|---|---|---|---
Part # Pin| AD8237|
AD4696|
ADR3425|
ADuM1441
+VS| -VS| AVDD| LDO_IN| VIO| IN| VDD1| VDD2
Supply Voltage| V| 3.3| –| 3.3| 3.3| 1.8| 3.3| 2.5| 2.5
Supply Current| mA| 0.15| –| 0.052| 6.6| 0.36| 0.1| 0.9| 0.9
PSRR| dB| 73 (100Hz)| 79 (1MHz)| 95 (1MHz)| 100 (1MHz)| 54 (100kHz)| –
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 power
dissipation if needed.
Note 4: The actual supply current requirement shall be multiplied
depending on the number of channels on the signal chain.
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Documents / Resources
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ANALOG DEVICES LT3471 Precision Low Power Multichannel Voltage Current and
Biosignal Measurement Noise
Optimized
[pdf] User Guide
LT3471 Precision Low Power Multichannel Voltage Current and Biosignal
Measurement Noise Optimized, LT3471, Precision Low Power Multichannel Voltage
Current and Biosignal Measurement Noise Optimized
---|---
References
- AD4696 Datasheet and Product Info | Analog Devices
- AD8237 Datasheet and Product Info | Analog Devices
- ADP150 Datasheet and Product Info | Analog Devices
- ADR3425 Datasheet and Product Info | Analog Devices
- ADUM1441 Datasheet and Product Info | Analog Devices
- ADuM5028 Datasheet and Product Info | Analog Devices
- MAX77642 Ultra Configurable PMIC Featuring 93% Peak Efficiency Single-Inductor, 3-Output Buck-Boost, 1-LDO for Long Battery Life | Analog Devices
- MAX17220 Datasheet and Product Info | Analog Devices
- MAX17530 42V, 25mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22µA No-Load Supply Current | Analog Devices