Datasheet Summary
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LTC1957-1/LTC1957-2 Single/Dual Band RF Power Controllers with 40dB Dynamic Range
Features s s
DESCRIPTIO s s s s s s s s s s s s s s s
Dual Band RF Power Amplifier Control (LTC1957-2) Internal Schottky Diode Detector with Improved Dynamic Range vs the LTC1757A Wide Input Frequency Range: 850MHz to 2GHz Autozero Loop Cancels Offset Errors and Temperature Dependent Offsets Wide VIN Range: 2.7V to 6V Allows Direct Connection to Battery RF Output Power Set by External DAC Fast Acquire After Transmit Enable Internal Frequency pensation Rail-to-Rail Power Control Outputs Power Control Signal Overvoltage Protection Low Operating Current: 1mA Very Low Shutdown...