2
RF Device Data
Freescale Semiconductor, Inc.
A2T21S260--12SR3
Table 1. Maximum Ratings
Rating Symbol Value Unit
Drain--Source Voltage V
DSS
–0.5, +65 Vdc
Gate--Source Voltage V
GS
–6.0, +10 Vdc
Operating Voltage V
DD
32, +0 Vdc
Storage Temperature Range T
stg
–65 to +150 C
Case Operating Temperature Range T
C
–40 to +150 C
Operating Junction Temperature Range
(1,2)
T
J
–40 to +225 C
CW Operation @ T
C
=25C
Derate above 25C
CW 346
3.1
W
W/C
Table 2. Thermal Characteristics
Characteristic Symbol Value
(2,3)
Unit
Thermal Resistance, Junction to Case
Case Temperature 76C, 65 W CW, 28 Vdc, I
DQ
= 1200 mA, 2140 MHz
R
JC
0.28 C/W
Table 3. ESD Protection Characteristics
Test Methodology Class
Human Body Model (per JESD22--A114) 2
Machine Model (per EIA/JESD22--A115) B
Charge Device Model (per JESD22--C101) IV
Table 4. Electrical Characteristics (T
A
=25C unless otherwise noted)
Characteristic
Symbol Min Typ Max Unit
Off Characteristics
Zero Gate Voltage Drain Leakage Current
(V
DS
=65Vdc,V
GS
=0Vdc)
I
DSS
— — 10 Adc
Zero Gate Voltage Drain Leakage Current
(V
DS
=32Vdc,V
GS
=0Vdc)
I
DSS
— — 1 Adc
Gate--Source Leakage Current
(V
GS
=5Vdc,V
DS
=0Vdc)
I
GSS
— — 1 Adc
On Characteristics
Gate Threshold Voltage
(V
DS
=10Vdc,I
D
= 270 Adc)
V
GS(th)
0.8 1.2 1.6 Vdc
Gate Quiescent Voltage
(V
DD
=28Vdc,I
D
= 1200 mAdc, Measured in Functional Test)
V
GS(Q)
1.4 1.9 2.2 Vdc
Drain--Source On--Voltage
(V
GS
=10Vdc,I
D
=2.7Adc)
V
DS(on)
0.1 0.2 0.3 Vdc
Functional Tests
(4)
(In Freescale Test Fixture, 50 ohm system) V
DD
=28Vdc,I
DQ
= 1200 mA, P
out
= 65 W Avg., f = 2170 MHz,
Single--Carrier W--CDMA, IQ Magnitude Clipping, Input Signal PAR = 9.9 dB @ 0.01% Probability on CCDF. ACPR measured in 3.84 MHz
Channel Bandwidth @ 5MHzOffset.
Power Gain
G
ps
18.0 18.7 21.0 dB
Drain Efficiency
D
29.0 30.6 — %
Output Peak--to--Average Ratio @ 0.01% Probability on CCDF PAR 6.3 6.8 — dB
Adjacent Channel Power Ratio ACPR — –32.0 –29.0 dBc
Input Return Loss IRL — –11 –8 dB
1. Continuous use at maximum temperature will affect MTTF.
2. MTTF calculator available at http://www.freescale.com/rf/calculators.
3. Refer to AN1955
, Thermal Measurement Methodology of RF Power Amplifiers. Go to http://www.freescale.com/rf and search for AN1955.
4. Part internally matched both on input and output.
(continued)