Datasheet Si8931/32 (Silicon Labs) - 6

Si8931/32 Data Sheet Electrical Specifications
4. Electrical Specifications Table 4.1. Electrical Specifications
VDDA, VDDB = 5 V, TA = –40 to +125 °C; typical specs at 25 °C
Parameter Symbol Test Condition Min Typ Max Units
Input Side Supply VDDA 3.0 5.5 V Voltage Input Supply Current IDDA VDDA = 3.3 V 4.2 5.2 6.5 mA Output Side Supply VDDB 3.0 5.5 V Voltage Output Supply IDDB VDDB = 3.3 V 2.3 3.2 5.5 mA Current Amplifier Bandwidth 600 kHz
Amplifier Input
Specified Linear VIN 0.25 2.25 V Input Range Maximum Input Voltage Before VIN 2.5 V Clipping Input Referred VOS T Offset A = 25 °C –1 0.2 1 mV Input Offset Drift VOST –40 ±0.75 5 µV/°C Input Impedance RIN 500 MΩ
Amplifier Output
Full-scale Output VAOP – VAON 2.5 Vpk Gain 1 Gain Error TA = 25 °C –0.3 ±0.1 0.3 % Gain Error Drift –40 6 20 ppm/°C Output Common Mode Voltage (VAOP + VAON)/2 1.36 1.39 1.42 V (Si8931) Nonlinearity T (Si8931) A = 25 °C –0.04 0.004 0.04 % Nonlinearity T (Si8932) A = 25 °C –0.08 0.01 0.08 % Nonlinearity Drift TA = 25 °C –7 7 ppm/°C Signal-to-Noise SNR Over 100 kHz 74 76 dB Ratio (Si8931) Signal-to-Noise SNR Over 100 kHz 71 75 dB Ratio (Si8932) Total Harmonic THD F Distortion (Si8931) IN = 1 kHz –80 –70 dB Total Harmonic THD F Distortion (Si8932) IN = 1 kHz –74 –66 dB
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| Building a more connected world. Preliminary Rev. 0.5 | 6 Document Outline 1. Ordering Guide 2. System Overview 3. Voltage Sense Application 4. Electrical Specifications 4.1 Regulatory Information 4.2 Typical Operating Characteristics 5. Pin Descriptions 5.1 Si8931 Pin Descriptions 5.2 Si8932 Pin Descriptions 6. Packaging 6.1 Package Outline: 8-Pin Wide Body Stretched SOIC 6.2 Package Outline: 8-Pin Narrow Body SOIC 6.3 Land Pattern: 8-Pin Wide Body Stretched SOIC 6.4 Land Pattern: 8-Pin Narrow Body SOIC 6.5 Top Marking: 8-Pin Wide Body Stretched SOIC 6.6 Top Marking: 8-Pin Narrow Body SOIC 7. Document Revision History