ANALOG DEVICES LT3471 Precision Low Power Multichannel Voltage Current and Biosignal Measurement Noise Optimized
USER GUIDE
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Power Requirements
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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 |
