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2.5GHz, +20dBm Power Amplifier IC
in UCSP Package
AC ELECTRICAL CHARACTERISTICS
(MAX2240 EV kit, V CC = +2.7V to +5V, P RFIN = 0dBm to +4dBm, f RFIN = 2.4GHz to 2.5GHz, SHDN = V CC , T A = +25°C. Typical values
measured at V CC = +3.2V, P RFIN = +3dBm, f RFIN = 2.45GHz, unless otherwise noted.)
PARAMETERS
Frequency Range
Input Power Range
CONDITIONS
MIN
2400
0
TYP
MAX
2500
4
UNITS
MHz
dBm
V D1 ≤ 0.8V, V D0 ≤ 0.8V
V D1 ≤ 0.8V, V D0 ≥ 2V
3
8
Output Power
V D1 ≥ 2V, V D0 ≤ 0.8V
V CC = 3.2V, P RFIN = 3dBm, f RFIN = 2.45GHz, V D1 ≥ 2V,
V D0 ≥ 2V, T A = +25°C (Note 9)
17.3
12
19
dBm
V D1 ≥ 2V, V D0 ≥ 2V, T A = -40°C to +85°C (Note 1)
15.3
19
24
dBm
Power Control Steps
(Notes 4, 9)
Harmonic Output (Notes 3, 9)
Input VSWR (Note 9)
V CC = 5.0V
V CC = 2.7V to 5.0V
R S = 50 Ω , over full P in range
Frequency offset = ±550kHz
2
2
6
-15
1.5:1
-21
8
8.6
-5
2:1
-20
dB
dBm
dBm
dBc
In-Band Spurious Noise
(Notes 5, 9)
Power Ramp Turn-On Time
(Notes 6, 9)
Power Ramp Turn-Off Time
(Notes 7, 9)
Nonharmonic Spurious Output
(Note 9)
Input to Output Isolation in
Shutdown
Maximum Output VSWR Without
Damage (Note 8)
Frequency offset = ±1.5MHz
Frequency offset = ±2.5MHz
SHDN = 0 to 1, D0 = D1 = logic low-to-high transition
SHDN = 1 to 0, D0 = D1 = logic high-to-low transition
All power levels set by D0, D1; load VSWR ≤ 3:1
All power levels set by D0, D1;
any load phase angle, any duration
-20
-40
45
6:1
2
2
-30
dBm
μs
μs
dBm
dB
Note 1: Limits are 100% production tested at T A = +25°C. Limits over the entire operating temperature range are guaranteed by
design and characterization but are not production tested.
Note 2: Supply current is measured with RF power applied to the input.
Note 3: Measured with an output-matching network to minimize the 2nd and 3rd harmonics (see Applications Information section).
Note 4: Power steps between adjacent power levels. All other operating conditions remain constant during power step change.
Note 5: Output measured in 100kHz RBW. Test signal modulation shall comply with GFSK, BT = 0.5, 1-bit/symbol, 1Mbps, frequency
deviation = 175kHz.
Note 6: The total turn-on time for the PA output power to settle within 1dB of the final value.
Note 7: The total turn-off time for the PA output power to drop to -10dBm.
Note 8: After removal of the load mismatch, the PA returns to operation under normal conditions.
Note 9: Guaranteed by design and characterization.
_______________________________________________________________________________________
3
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