ATR0981 Datasheet, PDF (4/9 Pages) ATMEL Corporation – UHF SiGe Front-end IC

6. Electrical Characteristics
Test conditions (unless otherwise specified) : V_S_PA = 3.6V, T_amb = 25° C.
Parameters
Power Amplifier⁽¹⁾
Test Conditions/Pins
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
Supply current
Frequency range
TX, pins 1, 2, 3, 11, 19
TX, pins 1, 2, 3, 11, 19
TX
V_S_PA
I_S_PA
f
3.0
3.6
400
300
4.5
V
550
mA
500
MHz
Power gain
TX, pin 15 to pins 1, 2, 3
Gp
30
34
dB
Output power control range
TX
∆Pout
±1
±3
dB
Control voltage
TX, output power (maximum), pin 17
TX, output power (minimum), pin 17
2.0
2.5
V
0.7
V
Control current
Pin 17
0
400
µA
Shut down mode
Control voltage ≤0.1V,
pins 1, 2, 3, 11, 19
I_S_PA
10
20
µA
Power added efficiency
TX at 466 MHz
PAE
50
55
%
Saturated output power
TX, input power 3 dBm
Psat
27.5
29
30.5
dBm
Harmonics
TX, input power 3 dBm
TX, input power 3 dBm
2 fo
–20
dBc
3 fo
–20
dBc
Low-noise Amplifier
Supply voltage
Supply current
Frequency range
RX, pins 10, 13
RX, pins 10, 13
RX
V_S_LNA
2.4
2.5
2.6
V
I_S_LNA
2.5
3.5
mA
f
300
500
MHz
Power gain
RX at R1 = 5.6 kΩ, I_S = 2.5 mA
Gp
17.5
19
20.5
dB
Noise figure⁽²⁾
RX at R1 = 5.6 kΩ, I_S = 2.5 mA
NF
1.5
2.0
dB
Isolation
RX at R1 = 5.6 kΩ, I_S = 2.5 mA
ISO
20
dB
Third-order input interception point RX at R1 = 5.6 kΩ, I_S = 2.5 mA
IIP3
–13
–10
dBm
Notes: 1. Power amplifier should be unconditionally stable, maximum duty cycle 100%, true cw operation, maximum load mismatch
10:1 for 5s at 3.6V
2. Ensured by design
4 ATR0981 [Preliminary]
4862A–SIGE–09/05