MAX2463EAI Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2463EAI Datasheet PDF : 14 Pages
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900MHz Image-Reject Transceivers
Typical Operating Characteristics
(MAX242X/246X EV kit, VCC = +3.3V; fLO = 925.7MHz (MAX2420), fLO = 961MHz (MAX2421), fLO = 985MHz (MAX2422), fLO = 904.3MHz
(MAX2460); fLO = 805MHz (MAX2463); fRXIN = 915MHz; PRXIN = -35dBm; PTXIN = -15dBm (330Ω); LNAGAIN = 2V; TXGAIN = VCC;
VCOON = 2.4V; RXON = TXON = MOD = DIV1 = PREGND = GND; TA = +25°C; unless otherwise noted.)
RECEIVER SUPPLY CURRENT
vs. TEMPERATURE
42
40
38
VCC = 4.8V
36
34
VCC = 3.3V
32
VCC = 2.7V
30
28
26
24
-40 -20 0
RXON = VCC
PREGND = FLOATING
INCLUDES OSCILLATOR
CURRENT
20 40 60 80 100
TEMPERATURE (°C)
TRANSMITTER SUPPLY CURRENT
vs. TEMPERATURE
46
44
42
40
VCC = 4.8V
38
36
VCC = 3.3V
34
VCC = 2.7V
32
30
28
26
-40 -20
TXON = VCC
PREGND = FLOATING
INCLUDES OSCILLATOR
CURRENT
0 20 40 60 80 100
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
4.5
VCOON = GND
4.0
3.5
3.0
2.5
2.0
VCC = 4.8V
1.5
VCC = 3.3V
1.0
0.5
0
-40 -20
VCC = 2.7V
0 20 40 60 80 100
TEMPERATURE (°C)
25
20
15
10
5
0
-5
-10
-15
-20
0
RECEIVER GAIN vs. LNAGAIN
LNA
LNA PARTIALLY
OFF BIASED
ADJUSTABLE MAX
GAIN
GAIN
AVOID
THIS
REGION
RXON = VCC
0.5
1.0
1.5
2.0
LNAGAIN VOLTAGE (V)
RECEIVER INPUT IP3 vs. VLNAGAIN
5
LNA
LNA ADJUSTABLE MAX
0
OFF PARTIALLY GAIN GAIN
BIASED
AVOID
-5
THIS
REGION
-10
-15
-20
0
RXON = VCC
0.5
1.0
1.5
2.0
LNAGAIN VOLTAGE (V)
RECEIVER NOISE FIGURE
vs. LNAGAIN
40
35
LNA ADJUSTABLE MAX
LNA PARTIALLY GAIN
GAIN
30
OFF
BIASED
25
20
15
10
5
0
0
AVOID
THIS
REGION
DIV1 = VCC
RXON = VCC
0.5
1.0
1.5
2.0
LNAGAIN VOLTAGE (V)
MAX2420
RECEIVER GAIN vs. TEMPERATURE
LNAGAIN = VCC
26
RXON = VCC
24
VCC = 4.8V
VCC = 2.7V
22
VCC = 3.3V
20
18
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
RECEIVER NOISE FIGURE vs.
TEMPERATURE AND SUPPLY VOLTAGE
5.5
LNAGAIN = VCC
RXON = VCC
5.0
DIV1 = VCC
4.5
VCC = 4.8V
VCC = 3.3V
4.0
VCC = 2.7V
3.5
3.0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
RECEIVER INPUT IP3
vs. TEMPERATURE
-6
-8
LNAGAIN = 1V
-10
-12
-14
-16
-18
-20
-40
LNAGAIN = 2V
RXON = VCC
-20 0 20 40 60 80 100
TEMPERATURE (°C)
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