User Manual

AC ELECTRICAL CHARACTERISTICS
(MAX242X/MAX246X EV kit, V
CC
= +3.3V; f
LO
= 925.7MHz (MAX2440), f
LO
= 961MHz (MAX2441), f
LO
= 985MHz (MAX2442),
f
RXIN
= 915MHz; P
RXIN
= -35dBm; V
LNAGAIN
= 2V; V
VCOON
= V
RXON
= 2.4V; RXON = MOD = DIV1 = PREGND = GND; T
A
= +25°C,
unless otherwise noted.)
MAX2440/MAX2441/MAX2442
900MHz Image-Reject Receivers
_______________________________________________________________________________________ 3
CONDITIONS UNITSMIN TYP MAXPARAMETER
MHz800 1000
36 46 55
8.5 10.7 12.5
MHz
20 22 24.5
dB
26 35Image Frequency Rejection
55 70 85
19.5 25
12
19 21 23.5
(Note 7)
-16
(Notes 5, 8) dBm
-8
Input Third-Order Intercept
-19 -17
(Note 9) ns500Receiver Turn-On Time
Receiver on or off dBm-60LO to RXIN Leakage
V
LNAGAIN
= 1V
dBm
-18
Input 1dB Compression
LNAGAIN = V
CC
-26
18 24
LNAGAIN = V
CC
,
T
A
= T
MIN
to T
MAX
(Note 5)
45
dB
12
Noise Figure
dB
IF Frequency Range
(Notes 5, 6)
(Notes 5, 6)
Input Frequency Range
Conversion Power Gain
DIV1 = V
CC
(Notes 5, 7)
MAX2441
MAX2442
LNAGAIN = V
CC
V
LNAGAIN
= 1V
V
LNAGAIN
= 1V
LNAGAIN = V
CC
MAX2442
V
LNAGAIN
= 1V
LNAGAIN = GND
MAX2440
LNAGAIN = V
CC
,
T
A
= +25°C
MAX2440/MAX2441
MAX2440/MAX2441
MAX2442
RECEIVER