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TP2124 Datasheet(PDF) 1 Page - 3PEAK INC. |
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TP2124 Datasheet(HTML) 1 Page - 3PEAK INC. |
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1 / 18 page  1 TP2121/TP2121N/TP2122/TP2124 1.8V, 600nA Nanopower, Rail-to-Rail Input/Output Op-amps www.3peakic.com REV1.2 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 Shutdown Current: 3nA Typical (TP2121N) –40°C to 125°C Operation Range Robust 8kV – HBM and 2kV – 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 Description 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 op-amp. 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. For applications that require power-down, the TP2121N has a low-power shutdown mode that reduces supply current to 3nA, and forces the output into a high-impedance state. 3PEAK and the 3PEAK logo are registered trademarks of 3PEAK INCORPORATED. All other trademarks are the property of their respective owners. 1 3 2 (1) OUT CC R VI R R Ultra-low Supply Current Op-amps: Supply Current 0.3 μA 0.6 μA 4 μA GBWP 10 kHz 18 kHz 150 kHz Single TP2111 TP2121 TP1511 With Shut-down TP2111N TP2121N TP1511N Dual TP2112 TP2122 TP1512 Quad TP2114 TP2124 TP1514 TP2121 in Low Side Battery Current Sensor |
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