Features:
1. Extremely low static current (Iq)
Single channel current as low as 1 µ A~60 µ A (e.g. SGM8049: 2.5 µ A; TLV9001: 60 µ A).
The standby/off mode can be reduced to<1 µ A, significantly extending battery life.
2. Extremely low noise characteristics
Single power supply: 1.8V~5.5V (covering 3.7V lithium battery, 3V button, 5V system).
Dual power supply: ± 0.9V~± 2.75V.
3. Rail to Rail Input/Output (RRIO)
Input common mode range close to/including ground; The output swing almost reaches V ⁻ to V ⁺.
Maintain maximum signal dynamic range at low voltage.
4. Low noise, low imbalance
Noise:~20~30 nV/√ Hz (1kHz).
Misalignment voltage: ± 0.4mV~± 1mV (chopper stabilized zero type can reach µ V level).
5. Miniaturization packaging
SC70-5, SOT-23-5, X2SON, DFN, etc. (minimum 1.25mm × 2.0mm).
6. High stability and anti-interference
Stable unit gain, built-in EMI/RFI filter.
Wide temperature range: -40 ℃~+125 ℃.
Applications:
1. Portable/Wearable Medical
Blood glucose meter, electrocardiogram monitoring, blood pressure monitor
Low power consumption and long battery life; Low imbalance/low noise amplification of weak bioelectric signals.
2. Internet of Things (IoT) and wireless sensors
Environmental monitoring nodes (temperature and humidity, gas, light)
Battery/energy harvesting power supply, maintenance free for several years.
Intelligent meters (water meters, gas meters, electronic scales)
Low power signal conditioning+current detection.
3. Consumer electronics
TWS earphones, smartwatches, sports wristbands
Audio amplification, sensor front-end, battery voltage monitoring.
4. Industry and Automotive
4~20mA circuit, PLC analog input, temperature transmitter
Low voltage, wide temperature range, high stability.
Automotive electronics: TPMS, BMS current detection
Vehicle grade, low power consumption, anti-interference.
Active filter, voltage tracking, signal buffering, low side current detection