Rainbow Electronics MAX7034 - Manual (Page 3)

MAX7034
315MHz/434MHz ASK Superheterodyne
Receiver
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AC ELECTRICAL CHARACTERISTICS
( Typical Application Circuit, V VDD5 = +4.5V to +5.5V, all RF inputs are referenced to 50Ω, f RF = 433.92MHz, T A = -40°C to +125°C,
unless otherwise noted. Typical values are at V VDD5 = +5.0V and T A = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
GENERAL CHARACTERISTICS
Startup Time t ON
Time for valid signal detection after V SHDN
= V DD5 . Does not include baseband filter
settling.
250 µs
Receiver Input Frequency Range f RF 300 450 MHz
Maximum Receiver Input Level 0 dBm
+25°C, 315MHz -114
Sensitivity at T A = +25 o C (Note 3)
+25°C, 434MHz -113
dBm
+125°C, 315MHz -113 Sensitivity at T A = +125°C
(Note 3) +125°C, 434MHz -110
dBm
Manchester coded 33
Maximum Data Rate
NRZ coded 66
kbps
LNA/MIXER
LNA/Mixer Voltage Gain (Note 4) 330 Ω IF filter load 45 dB
LNA/Mixer Input-Referred 1dB
Compression Point
-50 dBm
Mixer Output Impedance Z
OUT_MIX
330 Ω
f RF = 434MHz, V IRSEL = DV DD 42
f RF = 375MHz, V IRSEL = DV DD /2 44 Mixer Image Rejection
f RF = 315MHz, V IRSEL = 0V 44
dB
INTERMEDIATE FREQUENCY (IF)
Input Impedance Z IN_IF 330 Ω
Operating Frequency f IF Bandpass response 10.7 MHz
3dB Bandwidth 10 MHz
RSSI Linearity ±0.5 dB
RSSI Dynamic Range 80 dB
P RFIN < -120dBm 1.15
RSSI Level
P RFIN > -40dBm 2.2
V