CGY94

GaAs MMIC CGY 94 _______________________________________________________________________________________________________ Preliminary Datasheet * Power amplifier for GSM or AMPS application * Fully integrated 2 stage amplifier * Operating voltage range: 2.7 to 6 V * 2 W output power at 3.6 V * Overall power added efficiency 46 % * Input matched to 50 Ω , simple output match ESD: Electrostatic discharge sensitive device, observe handling precautions! Type Marking Ordering code (taped) Package 1) CGY 94 CGY 94 Q68000-A9124 MW 12 Maximum ratings Characteristics Positive supply voltage Negative supply voltage ) Supply current Channel temperature Storage temperature 2 Symbol VD VG max. Value 9 -8 2 150 -55...+150 Unit V V A °C °C ID TCh Tstg Pulse peak power dissipation duty cycle 12.5%, ton=0.577ms PPulse Ptot 9 5 W W Total power dissipation (Ts ≤ 81 °C) Ts: Temperature at soldering point Thermal Resistance Channel-soldering point RthChS ≤14 K/W 1) Plastic body identical to SOT 223, dimensions see chapter Package Outlines 2) VG = -8V only in combination with VTR = 0V; VG = -6V while VTR ≠ 0V Siemens Aktiengesellschaft pg. 1/9 17.10.95 HL EH PD 21 GaAs MMIC CGY 94 _______________________________________________________________________________________________________ Functional block diagram: Control circuit: VG (1) VD1 (7) VD2 (12) VTR (2) Control Circuit Pin (8) Pout (12) The drain current ID of the CGY 94 is adjusted by the internal control circuit. Therefore a negative voltage (-4V...-6V) has to be supplied at VG. For transmit operation VTR must be set to 0V. During receive operation VTR should be disconnected (shut off mode). GND1 (6, 9) GND2 (3, 4, 5, 10) GND3 (11) Pin # 1 2 3,4,5,10 6,9 7 8 11 12 VG VTR GND 2 GND 1 VD1 RFin GND 3 VD2, RFout Configuration Negative voltage at control circuit (-4V...-6V) Control voltage for transmit mode (0V) or receive mode (open) RF and DC ground of the 2nd stage RF and DC ground of the 1st stage Positive drain voltage of the 1st stage RF input power Ground for internal output matching Positive drain voltage of the 2nd stage, RF output power DC characteristics Characteristics Drain current Symbol Conditions VD=3V, VG=0V, VTR n.c. min 0.6 2.7 typ 0.9 4.1 1.1 0.32 1.3 -2.8 max 1.3 5.9 -1.8 Unit A A A S S V stage 1 IDSS1 stage 2 IDSS2 Drain current with active current control Transconductance (stage 1 and 2) Pinch off voltage ID gfs1 gfs2 Vp VD=3V, VG=-4V, VTR=0V VD=3V, ID=350mA VD=3V, ID=700mA VD=3V, ID