MAX2634
315MHz/433MHz Low-Noise
Amplifier for Automotive RKE
Typical Operating Characteristics (contineed)
(MAX2634 EV Kit, V CC = +2.2V to +5.5V, T A = -40°C to +125°C. Typical values are at V CC = +3.0V and T A = +25°C, unless otherwise
noted. f RFIN = 315MHz/433MHz, P RFIN = -40dBm, SHDN = high.)
-10
-12
IIP3 vs. SUPPLY VOLTAGE
(315MHz)
T A = +125 ° C
-5
-8
IIP3 vs. SUPPLY VOLTAGE
(433MHz)
T A = +125 ° C
T A = +25 ° C
2.5
2.0
NOISE FIGURE vs. SUPPLY VOLTAGE
(433MHz)
T A = +125 ° C
T A = +25 ° C
-14
-16
T A = +25°C
-11
-14
1.5
1.0
-18
T A = -40 ° C
-17
T A = -40 ° C
0.5
T A = -40 ° C
-20
-20
0
2
3
4 5
6
2
3
4 5
6
2
3
4 5
6
SUPPLY VOLTAGE (V)
NOISE FIGURE vs. SUPPLY VOLTAGE
(315MHz)
SUPPLY VOLTAGE (V)
GAIN vs. SUPPLY VOLTAGE
(433MHz)
SUPPLY VOLTAGE (V)
GAIN vs. SUPPLY VOLTAGE
(315MHz)
2.5
T A = +125 ° C
17
17
T A = -40 ° C
T A = +25 ° C
2.0
16
16
1.5
T A = +25 ° C
15
T A = +25°C
T A = -40 ° C
15
1.0
14
13
14
13
T A = +125°C
0.5
0
T A = -40 ° C
12
11
T A = +125°C
12
11
2
3
4 5
6
2
3
4 5
6
2
3
4 5
6
SUPPLY VOLTAGE (V)
-20
-30
TURN-ON TIME
SUPPLY VOLTAGE (V)
-20
-30
SUPPLY VOLTAGE (V)
SHUTDOWN TIME
-40
-50
-60
-70
-80
-90
-100
-110
-120
f RFIN = 315MHz
P RFIN = -43dBm
1AVG
-40
-50
-60
-70
-80
-90
-100
-110
-120
f RFIN = 315MHz
P RFIN = -43dBm
1AVG
0
20 40 60 80 100 120 140 160 180 200
0
5
10 15 20 25 30 35 40 45 50
4
TIME ( μ s)
TIME ( μ s)
Maxim Integrated
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