Datasheet

(Typical Application Circuit, V
AVDD
= V
DVDD
= V
DD5
= +3.3V, f
RF
= 315MHz, T
A
= +25°C, unless otherwise noted.)
RSSI vs. RF INPUT POWER
MAX7033 toc05
RF INPUT POWER (dBm)
RSSI (V)
-20-40-60-80-100-120
1.2
1.4
1.6
1.8
2.0
2.2
2.4
1.0
-140 0
IF BANDWIDTH = 280kHz
V
AC
= V
DVDD
V
AC
= 0V
RSSI AND DELTA
vs. IF INPUT POWER
MAX7033 toc06
IF INPUT POWER (dBm)
RSSI (V)
-10-30-50-70
1.2
1.4
1.6
1.8
2.0
2.2
2.4
DELTA (%)
1.0
-90 10
-2.5
-1.5
-0.5
0.5
1.5
2.5
3.5
-3.5
DELTA
RSSI
LNA/MIXER VOLTAGE GAIN
vs. IF FREQUENCY
MAX7033 toc07
IF FREQUENCY (MHz)
SYSTEM GAIN (dB)
252015105
5
15
25
35
45
55
65
-5
0 30
UPPER
SIDEBAND
49dB IMAGE
REJECTION
LOWER
SIDEBAND
FROM RFIN
TO MIXOUT
f
RF
= 315MHz
IMAGE REJECTION
vs. RF FREQUENCY
MAX7033 toc08
RF FREQUENCY (MHz)
IMAGE REJECTION (dB)
460440420400380360340320300
35
40
45
50
55
30
280 480
f
RF
= 375MHz
f
RF
= 315MHz
f
RF
= 433MHz
IMAGE REJECTION
vs. TEMPERATURE
MAX7033 toc09
TEMPERATURE (°C)
IMAGE REJECTION (dB)
603510-15
41.0
41.5
42.0
42.5
43.0
43.5
44.0
44.5
45.0
40.5
-40 85
f
RF
= 375MHz
f
RF
= 315MHz
f
RF
= 433MHz
SENSITIVITY vs. TEMPERATURE
MAX7033 toc04
TEMPERATURE (°C)
SENSITIVITY (dBm)
85603510-15
-122
-120
-118
-116
-114
-112
-110
-108
-124
-40 110
AVERAGE CARRIER POWER
0.2% BER
IF BANDWIDTH = 280kHz
f
RF
= 433MHz
f
RF
= 315MHz
MAX7033 315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Maxim Integrated │ 6
www.maximintegrated.com
Typical Operating Characteristics (continued)