Product Introduction: 1.Input Voltage:DC 3-12V 2.Amplification Times:1.5-1000 times adjustable,zero point adjustable 3.Signal Input Voltage:100uV-300mV 4.Signal Output Range:+/-(Vin-2V) 5.Negative Voltage Output:more than Vin.Because of the negative voltage chip output internal resistance,the actual output is more than Vin.The higher of the load power is,the larger of the negative voltage will be 6.Offset Voltage:50uV 7.Input Bias Current:1.0nA (max) 8.Common Mode Rejection Ratio:100dB 9.Offset Voltage Drift:0.6uV/celsius 10.Stable Time:2uV/month (max) 11.Size:32*22mm