MAX2440 查看數據表（PDF） - Maxim Integrated
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MAX2440 Datasheet PDF : 12 Pages
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900MHz Image-Reject Receivers
AC ELECTRICAL CHARACTERISTICS
(MAX242X/MAX246X EV kit, VCC = +3.3V; fLO = 925.7MHz (MAX2440), fLO = 961MHz (MAX2441), fLO = 985MHz (MAX2442),
fRXIN = 915MHz; PRXIN = -35dBm; VLNAGAIN = 2V; VVCOON = VRXON = 2.4V; RXON = MOD = DIV1 = PREGND = GND; TA = +25°C,
unless otherwise noted.)
PARAMETER
RECEIVER
CONDITIONS
MIN TYP MAX
UNITS
Input Frequency Range
(Notes 5, 6)
800
1000
MHz
IF Frequency Range
(Notes 5, 6)
Image Frequency Rejection
MAX2440
8.5
MAX2441
36
MAX2442
55
26
LNAGAIN = VCC, MAX2440/MAX2441 20
TA = +25°C
MAX2442
19
10.7 12.5
46
55
70
85
35
22
24.5
21
23.5
LNAGAIN = VCC, MAX2440/MAX2441 19.5
25
Conversion Power Gain
(Note 7)
TA = TMIN to TMAX
(Note 5)
MAX2442
18
24
Noise Figure
Input Third-Order Intercept
Input 1dB Compression
LO to RXIN Leakage
Receiver Turn-On Time
VLNAGAIN = 1V
LNAGAIN = GND
DIV1 = VCC
(Notes 5, 7)
LNAGAIN = VCC
VLNAGAIN = 1V
(Notes 5, 8)
LNAGAIN = VCC
VLNAGAIN = 1V
LNAGAIN = VCC
VLNAGAIN = 1V
Receiver on or off
(Note 9)
12
-16
4
5
12
-19
-17
-8
-26
-18
-60
500
MHz
dB
dB
dB
dBm
dBm
dBm
ns
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