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MAX1473_11 Datasheet, PDF (3/15 Pages) Maxim Integrated Products – 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range
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315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
DC ELECTRICAL CHARACTERISTICS (5.0V OPERATION)
(Typical Application Circuit, VDD = 4.5V to 5.5V, no RF signal applied, TA = -40°C to +85°C, unless otherwise noted. Typical values
are at VDD = 5.0V and TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Supply Voltage
Supply Current
Shutdown Supply Current
Input Voltage Low
Input Voltage High
Input Logic Current High
Image Reject Select (Note 2)
DATAOUT Voltage Output Low
DATAOUT Voltage Output High
VDD
IDD
IPWRDN
VIL
VIH
IIH
VOL
VOH
5.0V nominal supply
VPWRDN = VDD
fRF = 315MHz
fRF = 433MHz
VPWRDN = 0V,
VXTALSEL = 0V
fRF = 315MHz
fRF = 433MHz
fRF = 433MHz, VIRSEL = VDD
fRF = 375MHz, VIRSEL = VDD/2
fRF = 315MHz, VIRSEL = 0V
RL = 5kΩ
4.5
5.0
5.5
V
5.2
6.04
mA
5.7
6.76
2.3
µA
2.8
6.2
0.4
V
VDD - 0.4
V
10
µA
VDD - 0.4
1.1
VDD - 1.5
V
0.4
0.4
V
VDD - 0.4
V
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, VDD = 3.0V to 3.6V, all RF inputs are referenced to 50Ω, fRF = 315MHz, TA = -40°C to +85°C, unless
otherwise noted. Typical values are at VDD = 3.3V and TA = +25°C.) (Note 1).
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
GENERAL CHARACTERISTICS
Startup Time
tON
Time for valid signal detection after
VPWRDN = VOH
250
µs
Receiver Input Frequency
Maximum Receiver Input Level
Sensitivity (Note 3)
fRF
PRFIN_MAX
PRFIN_MIN
Modulation depth > 18dB
Average carrier power level
Peak power level
300
450
MHz
0
dBm
-120
-114
dBm
AGC Hysteresis
LNA gain from low to high
8
dB
150
ms
LNA IN HIGH-GAIN MODE
Power Gain
Input Impedance
1dB Compression Point
ZIN_LNA
Normalized to
50Ω (Note 4)
P1dBLNA
fRF = 433MHz
fRF = 375MHz
fRF = 315MHz
16
1 - j3.4
1 - j3.9
1 - j4.7
-22
dB
dBm
Input-Referred 3rd-Order
Intercept
IIP3LNA
-12
dBm
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