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STPAC01F2

ST Microelectronics
Part Number STPAC01F2
Manufacturer ST Microelectronics
Description RF Detector
Published Feb 17, 2006
Detailed Description ® w w MAIN PRODUCT CHARACTERISTICS The STPAC01F2 has two outputs, one for the signal detection and another one for th...
Datasheet PDF File STPAC01F2 PDF File

STPAC01F2
STPAC01F2

Overview
® w w MAIN PRODUCT CHARACTERISTICS The STPAC01F2 has two outputs, one for the signal detection and another one for the temperature compensation: ■ ■ ■ ■ a D .
w S a t IPAD™ e e h U 4 t m o .
c STPAC01F2 RF DETECTOR FOR POWER AMPLIFIER CONTROL VDCout = 0.
88 V at 0.
85 GHz at 10 dBm VDCout = 1.
07 V at 1.
85 GHz at 10 dBm Vsupply = 5 V max Lead free package DESCRIPTION The STPAC01F2 is an integrated RF detector for the power control stage.
It converts RF signal coming from the coupler into a DC signal usable by the digital stage.
It is based on the use of two similar diodes, one providing the signal detection while the second one is used to provide a temperature information to thermal compensation stage.
A biasing stage suppresses the detection diode drop voltage effect.
Target applications are cellular phones and PDA using GSM, DCS, PCS, AMPS, TDMA, CDMA and 800 MHz to 1900 MHz frequency ranges.
BENEFITS ■ Table 1: Order Code Part Number STPAC01F2 The use of IPAD technology allows the RF front-end designer to save PCB area and to drastically suppress parasitic inductances.
w October 2004 w w t a .
D S a e h Figure 1: Pin Configuration (Ball side) 3 DC out Gnd1 U 4 t e 2 RFin Flip-Chip (8 Bumps) .
c 1 m o Marking RA V Temp Gnd1 Gnd1 Gnd2 Bias A B C Figure 2: Functional diagram Coupler VBIAS RF input RF detector Low pass filter Thermal compensation STPAC01F2 GND1 GND2 VDCOut Vtemp REV.
1 w w w .
D a S a t e e h U 4 t m o .
c 1/7 STPAC01F2 Table 2: Absolute Retings (Tamb = 25°C) Symbol VBIAS PRF FOP VPP TOP TSTG Bias voltage RF power at the RF input Operating frequency range ESD level as per MIL-STD 883E method 3015.
7 notice 8 (HBM) Operating temperature range Storage temperature range Parameter and test conditions Value 5 20 0.
8 to 2 250 - 30 to + 85 - 55 to + 150 Unit V dBm GHz V °C °C ELECTRICAL CHARACTERISTICS (Tamb = 25°C) Table 3: Parameters related to BIAS voltage Symbol VBIAS IBIAS Parameter Operating bias voltage Bias current VB...


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