Dc electrical characteristics (continued), Ac electrical characteristics – Rainbow Electronics MAX7042 User Manual
Page 3
MAX7042
308MHz/315MHz/418MHz/433.92MHz
Low-Power, FSK Superheterodyne Receiver
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, 50
Ω system impedance, AV
DD
= DV
DD
= HV
IN
= +2.4V to +3.6V, f
RF
= 308, 315, 418, and 433.92MHz;
T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at AV
DD
= DV
DD
= HV
IN
= +3.0V, f
RF
= 433.92MHz,
P
RFIN
≤ -80dBm, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HV
IN
= +3.6V
8
15
Input High Pulldown Current
I
IH
HV
IN
= +5.5V
20
40
µA
HV
IN
= +3.6V
<1
1
Input Low-Leakage Current
I
IL
HV
IN
= +5.5V
<1
1
µA
Output High Voltage
V
OH
I
SOURCE
= 500µA
HV
IN
- 0.4
V
Output Low Voltage
V
OL
I
SINK
= 500µA
0.4
V
VOLTAGE REGULATOR
Output Voltage
V
REG
2.5
3.0
3.5
V
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, 50
Ω system impedance, AV
DD
= DV
DD
= HV
IN
= +2.4V to +3.6V, f
RF
= 308, 315, 418, and 433.92MHz;
T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at AV
DD
= DV
DD
= HV
IN
= +3.0V, f
RF
= 433.92MHz,
P
RFIN
≤ -80dBm, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Input Level
0
dBm
Operating, 1x I
LNA
-107
315MHz
setting
Operating, 2x I
LNA
-110
Operating, 1x I
LNA
-106
Sensitivity (Note 1)
434MHz
setting
Operating, 2x I
LNA
-109
dBm
Receiver Image Rejection
45
dB
LNA/MIXER
2x I
LNA
315MHz
0.94 - j3.2
Input Impedance (Note 2)
Z
11
Normalized to
50
Ω
2x I
LNA
433.92MHz
0.94 - j2.1
1x I
LNA
315MHz
-47
1dB Input Compression Point
(Notes 2, 3)
P
1dB
2x I
LNA
315MHz
-52
dBm
1x I
LNA
315MHz
-37
Input-Referred 3rd-Order Intercept
Point (Notes 2, 3)
IIP3
2x I
LNA
315MHz
-42
dBm
LO Signal Feedthrough to
Antenna
-80
dBm
Mixer Output Impedance
Zout
MIX
330
Ω
1x I
LNA
315MHz
52
2x I
LNA
315MHz
57
1x I
LNA
433.92MHz
47
Voltage Conversion Gain
330
Ω IF filter
load
(Notes 2, 3)
2x I
LNA
433.92MHz
52
dB
IF LIMITING AMPLIFIER
Input Impedance
Z
11
330
Ω
-3dB Bandwidth
10
MHz