ATR0981 Datasheet, PDF (2/9 Pages) ATMEL Corporation – UHF SiGe Front-end IC

2. Pin Configuration
Figure 2-1. Pinning PSSO20 with Down Set Paddle
V3_PA_OUT 1
V3_PA_OUT 2
V3_PA_OUT 3
GND4 4
GND3 5
NC 6
GND2 7
LNA_IN 8
GND1 9
BIAS_LNA 10
20 GND5
19 V2_PA
18 GND6
17 POUT_CONTROL
16 GND3
15 PA_IN
14 GND4
13 LNA_OUT
12 GND5
11 VS_CTRL
Table 2-1. Pin Description
Pin
Symbol
Function
1
V3_PA_OUT
Matching network for power amplifier output
2
V3_PA_OUT
Inductor to power supply and matching network for power amplifier output
3
V3_PA_OUT
Inductor to power supply and matching network for power amplifier output
4
GND4
Ground
5
GND3
Ground
6
NC
Not connected
7
GND2
Ground
8
LNA_IN
Low-noise amplifier input
9
GND1
Ground
10
BIAS_LNA
Resistor to V_S sets the LNA current
11
VS_CTRL
Supply voltage for control of power amplifier
12
GND5
Ground
13
LNA_OUT
Low-noise amplifier output and supply voltage
14
GND4
Ground
15
PA_IN
Power amplifier input
16
GND3
Ground
17
POUT_CONTROL Power amplifier control input
18
GND6
Ground
19
V2_PA
Supply voltage for power amplifier
20
GND5
Ground
2 ATR0981 [Preliminary]
4862A–SIGE–09/05