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2.7V, Single-Supply, Cellular-Band
Linear Power Amplifiers
AC ELECTRICAL CHARACTERISTICS—MAX2266 (continued)
(MAX2266 EV kit, V CC = V PWR = V SHDN = +3.3V, T A = +25°C, f IN = 836MHz, CDMA modulation, SHDN = V CC , matching networks
tuned for 824MHz to 849MHz operation, 50 ? system, unless otherwise noted.)
PARAMETER
AMPS Power-Added Efficiency
SYMBOL
PAE
P IN = 8dBm
CONDITIONS
MIN
TYP
48
MAX
UNITS
%
Power-Mode Switching Time
(Note 4)
550
ns
Turn-On Time (Notes 1, 4)
Maximum Input VSWR
VSWR
PWR = V CC or GND
f IN = 824MHz to 849MHz, PWR = GND or V CC
1
2.4:1
5
μs
Nonharmonic Spurious due
to Load Mismatch (Notes 1, 5)
Noise Power (Note 6)
AMPS Noise Power (Note 6)
Harmonic Suppression
P IN = 10dBm
Measured at 881MHz
PWR = GND, measured at 881MHz
Measured at 881MHz, P IN = 8dBm
(Note 7)
-137
-130
-136
32
-60
dBc
dBm/Hz
dBm/Hz
dBc
Note 1: Minimum and maximum values are guaranteed by design and characterization, not production tested.
Note 2: P MAX is met over this frequency range at the ACPR limit with a single matching network. For optimum performance at other
frequencies, the output matching network must be properly designed. See the Applications Information section. Operation
between 750MHz and 1000MHz is possible but has not been characterized.
Note 3: PAE is specified into a 50 ? load, while meeting ACPR requirements.
Note 4: Time from logic transition until P OUT is within 1dB of its final mean power.
Note 5: Murata isolator as load with 20:1 VSWR any phase angle after isolator.
Note 6: Noise power can be improved by using the circuit in Figures 1, 2, and 3.
Note 7: Harmonics measured on evaluation kit, which provides some harmonic attenuation in addition to the rejection provided by
the IC. The combined suppression is specified.
Note 8: ≥ +25°C guaranteed by production test, ≤ +25°C guaranteed through correlation to worst-case temperature testing.
Typical Operating Characteristics
(MAX2264/MAX2265/MAX2266 EV kits, V CC = +3.3V, SHDN = V CC , CDMA modulation, T A = +25°C, unless otherwise noted.)
MAX2264
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
MAX2264
GAIN vs. SUPPLY VOLTAGE
MAX2264
GAIN vs. SUPPLY VOLTAGE
140
120
PWR = GND
SHDN = GND
30
PWR = V CC
T A = -40 ° C
28
PWR = GND
100
NO INPUT DRIVE
28
26
T A = -40 ° C
80
T A = +85°C
26
24
T A = +25 ° C
60
40
T A = +25°C
24
T A = +25 ° C
T A = +85 ° C
22
22
20
20
0
T A = -40°C
20
18
T A = +85 ° C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
2.5
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________
5
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