RF142
Description
Output reference voltage Midpoint voltage for gain shaper Tx power control positive polarity Tx power control negative polarity Device enable (active high) RF input to detector positive polarity RF input to detector negative polarity Ground Power supply Pin # 11 12 13 14 15 16 17 18 19 20 Name NC NC CAP+ CAP– AUX+ AUX– BAND VPCDCS VPCGSM VCC2 No connect No connect Description Integrator time constant Cap+ Integrator time constant Cap– Aux output + Aux output – Band select. High selects VPCDCS as the output control pin; low selects VPCGSM as the output control pin.
Key Features
- RF PA controller for use with HBT PAs
- 50 dB detector dynamic range
- Broadband, logarithmic power detector (800 MHz to 2000 MHz)
- Logarithmic RF power detector requires no external diodes
- Integrator and gain shaping block enhance loop stability and linearity
- Three-cell battery operation (2.7 V to 5.0 V)
- Standby mode with 20 µA of current consumption
- 20-pin Thin Shrink Small Outline Package (TSSOP)
