MAX1473_12 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range

315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
DC ELECTRICAL CHARACTERISTICS (5.0V OPERATION)
(Typical Application Circuit, V_DD = 4.5V to 5.5V, no RF signal applied, T_A = -40°C to +85°C, unless otherwise noted. Typical values
are at V_DD = 5.0V and T_A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Supply Voltage
V_DD 5.0V nominal supply
4.5
5.0
5.5
V
Supply Current
I_DD
V_PWRDN = V_DD
f_RF = 315MHz
f_RF = 433MHz
5.2
6.04
mA
5.7
6.76
Shutdown Supply Current
Input Voltage Low
I_PWRDN
V_IL
V_PWRDN = 0V,
V_XTALSEL = 0V
f_RF = 315MHz
f_RF = 433MHz
2.3
µA
2.8
6.2
0.4
V
Input Voltage High
V_IH
Input Logic Current High
I_IH
V_DD - 0.4
V
10
µA
Image Reject Select (Note 2)
f_RF = 433MHz, V_IRSEL = V_DD
f_RF = 375MHz, V_IRSEL = V_DD/2
V_DD - 0.4
1.1
V_DD - 1.5
V
DATAOUT Voltage Output Low
DATAOUT Voltage Output High
V_OL
V_OH
f_RF = 315MHz, V_IRSEL = 0V
R_L = 5kΩ
V_DD - 0.4
0.4
0.4
V
V
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, V_DD = 3.0V to 3.6V, all RF inputs are referenced to 50Ω, f_RF = 315MHz, T_A = -40°C to +85°C, unless
otherwise noted. Typical values are at V_DD = 3.3V and T_A = +25°C.) (Note 1).
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
GENERAL CHARACTERISTICS
Startup Time
Receiver Input Frequency
Maximum Receiver Input Level
Sensitivity (Note 3)
AGC Hysteresis
t_ON
Time for valid signal detection after
V_PWRDN = V_OH
f_RF
P_{RFIN_MAX} Modulation depth > 18dB
P_{RFIN_MIN} Peak power level
LNA gain from low to high
250
µs
300
450
MHz
0
dBm
-114
dBm
8
dB
150
ms
LNA IN HIGH-GAIN MODE
Power Gain
16
dB
Input Impedance (Note 4)
1dB Compression Point
Z_{IN_LNA}
Normalized to
50Ω
P1dB_LNA
f_RF = 433MHz
f_RF = 375MHz
f_RF = 315MHz
1 - j3.4
1 - j3.9
1 - j4.7
-22
dBm
Input-Referred 3rd-Order
Intercept
IIP3_LNA
-12
dBm
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