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MAX2248ETE+

P1-P3P4-P6P7-P9
(MAX2248 EV kit, V
CC
= +3.2V, P
RFIN
= +3dBm, f
RFIN
= 1.9GHz, SHDN = V
CC
, T
A
= +25°C, unless otherwise noted. See Table 1 for
power level settings P1, P2, P3, P4.)(T
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics
-5
0
5
10
15
20
25
1800 1850 1900 1950 2000
OUTPUT POWER (dBm)
FREQUENCY (MHz)
P4
P3
P2
P1
OUTPUT POWER vs. FREQUENCY
toc01
-20
-15
-10
-5
0
5
10
15
20
25
-5 -4 -3 -2 -1 0 1 2 3 4 5
OUTPUT POWER (dBm)
INPUT POWER (dBm)
P4
P3
P2
P1
OUTPUT POWER vs. INPUT POWER
toc04
0
5
10
15
20
25
-40 -20 0 20 40 60 80
OUTPUT POWER (dBm)
TEMPERATURE (°C)
P4
P3
P2
P1
OUTPUT POWER vs. TEMPERATURE
toc02
60
65
70
75
80
85
90
95
100
105
110
115
120
-40 -20 0 20 40 60 80
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
P4
P3
P2
P1
SUPPLY CURRENT vs. TEMPERATURE
toc05
0
5
10
15
20
25
2.5 3 3.5 4 4.5 5
OUTPUT POWER (dBm)
SUPPLY VOLTAGE (V)
P4
P3
P2
P1
OUTPUT POWER vs. SUPPLY VOLTAGE
toc03
40
50
60
70
80
90
100
110
120
0 1 2 3 4 5
SUPPLY CURRENT (mA)
INPUT POWER (dBm)
P4
P3
P2
P1
SUPPLY CURRENT vs. INPUT POWER
toc06
Maxim Integrated
│
4
www.maximintegrated.com
MAX2248 1.9GHz Power Amplier
(MAX2248 EV kit, V
CC
= +3.2V, P
RFIN
= +3dBm, f
RFIN
= 1.9GHz, SHDN = V
CC
, T
A
= +25°C, unless otherwise noted. See Table 1 for
power level settings P1, P2, P3, P4.)(T
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
-70
-60
-50
-40
-30
-20
-10
0
10
20
30
0 2 4 6 8 10 12 14
OUTPUT POWER (dBm)
FREQUENCY (GHz)
HARMONIC OUTPUT SPECTRUM
toc10
START = 1800MHz STOP = 2000MHz
REFER TO FIRST INPUT MATCHING COMPONENT
toc11
INPUT RETURN LOSS — S11
1µs/div
POWER-ON/OFF CHARACTERISTICS
toc12
SHDN 1V/div
(AC-COUPLED)
RFOUT 1V/div
(AC-COUPLED)
0
20
40
60
80
100
120
2.5 3 3.5 4 4.5 5
SUPPLY CURRENT (mA)
SUPPLY VOLTAGE (V)
P4
P3
P2
P1
SUPPLY CURRENT vs. SUPPLY VOLTAGE
toc07
0
1
2
3
4
5
6
7
8
9
10
-40 -20 0 20 40 60 80
SUPPLY CURRENT (nA)
TEMPERATURE (°C)
VCC = 5.0V
VCC = 3.2V
VCC = 2.7V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
toc08
SHDN = D0 = D1 = GND
-70
-60
-50
-40
-30
-20
-10
0
10
20
30
1897.5 1900 1902.5
OUTPUT POWER (dBm)
FREQUENCY (MHz)
FSK MODULATED OUTPUT SPECTRUM
toc09
Maxim Integrated
│
5
www.maximintegrated.com
MAX2248 1.9GHz Power Amplier
PIN NAME FUNCTION
1, 3, 5, 7, 8,
15, 16
GND
Ground Pin. Requires a low-inductance/low thermal resistance path to the ground plane with
multiple vias.
10, 11 N.C. No Connection. Leave unconnected.
4 RFIN Power Amplier RF Input. Internally DC blocked.
2 V
BIAS
DC Voltage Supply for Bias and Control Circuitry. An external RF bypass capacitor to ground is
required. Place capacitor as close to the pin as possible.
6 V
CC
DC Voltage Supply for 1st Stage. Refer to Inter-stage Match section for external component
requirements.
9 RFOUT
Power Amplier RF Output. Open-collector output requires external pullup inductor to V
CC
.
Requires an external matching network for optimum output power and efciency.
12
SHDN
Power Amplier Shutdown Control Input. Drive SHDN low to enable low-power shutdown mode.
Drive SHDN high for normal operation.
13 D0 Digital Power Control Input (LSB) (Table 1)
14 D1 Digital Power Control Input (MSB) (Table 1)
— EP Exposed Paddle. Must be connected to ground.
Pin Conguration
10
9
12
11
7
6
5
8
3
4
1
2
14
1516 13
(EXPOSED
PADDLE)
GND
VCC
GND
GND
D0
GND
VBIAS
GND
RFIN
RFOUT
NC
NC
D1
GND
GND
SHDN
MAX2248
Pin Description
www.maximintegrated.com
Maxim Integrated
│
6
MAX2248 1.9GHz Power Amplier
P1-P3P4-P6P7-P9

MAX2248ETE+

Mfr. #:
Buy MAX2248ETE+
Manufacturer:
Maxim Integrated
Description:
RF Amplifier 1.9GHz Power Amplifier
Lifecycle:
New from this manufacturer.
Delivery:
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