TP2121/TP2122/TP2124 Low Power OPA-3peak

　　The TP212x are ultra-low power,precision CMOS op-amps featuring a maximum supply current of 950nA per amplifier with an ultra-low typical input bias current of 1fA.Analog trim and calibration routine reduce input offset voltage to below 1.5mV,and the precision temperature compensation technique makes offset voltage temperature drift at 0.5μV/°C,which allowing use of the TP212x in systems with high gain without creating excessively large output offset errors.The TP212x are unity gain stable with 1,000nF capacitive load with a constant 18kHz GBWP,10mV/μs slew rate,which make them appropriate for low frequency applications,such as battery current monitoring and sensor conditioning.

 

　　The TP212x can operate from a single-supply voltage of+1.8V to+6.0V or a dual-supply voltage of±0.9V to±3.0V.Beyond the rails input and rail-to-rail output characteristics allow the full power-supply voltage to be used for signal range.

 

　　The combined features make the TP212x ideal choices for battery-powered applications because they minimize errors due to power supply voltage variations over the lifetime of the battery and maintain high CMRR even for a rail-to-rail input opamp.Mobile accessories,wireless remote sensing,backup battery sensors,and single-Li+or 2-cell NiCd/Alkaline battery powered systems can benefit from the features of the TP212x op-amps.

 

　　Features

 

　　-Supply Current:950nA Maximum/Amplifier

 

　　-Stable 18kHz GBWP with 10mV/μs Slew Rate

 

　　-Offset Voltage:1.5mV Maximum

 

　　-Ultra-low VOS TC:0.5μV/°C

 

　　-Ultra-low Input Bias Current:1fA Typical

 

　　-High 120dB Open-Loop Voltage Gain

 

　　-Unity Gain Stable for 1,000nF Capacitive Load

 

　　-Rail-to-Rail Input/Output Voltage Range

 

　　-Outputs Source and Sink 20mA of Load Current

 

　　-No Phase Reversal for Overdriven Inputs

 

　　-Ultra-low Single-Supply Operation Down to+1.8V

 

　　-–40°C to 125°C Operation Range

 

　　-Robust 6kV–HBM and 1.5kV–CDM ESD Rating

 

　　-Green,Popular Type Package

 

　　Applications

 

　　Handsets and Mobile Accessories

 

　　Current Sensing

 

　　Wireless Remote Sensors,Active RFID Readers

 

　　Environment/Gas/Oxygen Sensors

 

　　Threshold Detectors/Discriminators

 

　　Low Power Filters

 

　　Battery or Solar Powered Devices

 

　　Sensor Network Powered by Energy Scavenging