MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
_______________________________________________________________________________________
7
DEEP-SLEEP CURRENT vs. TEMPERATURE
MAX7032 toc03
TEMPERATURE (°C)
DEEP-SLEEP CURRENT (μA)
1108535 60-10-15
2
4
6
8
10
12
14
16
18
0
-40
V
CC
= +3.6V
V
CC
= +3.0V
V
CC
= +2.1V
BIT-ERROR RATE
vs. AVERAGE INPUT POWER (ASK DATA)
MAX7030 toc04
AVERAGE INPUT POWER (dBm)
BIT-ERROR RATE (%)
-113-115-117-119
0.1
1
10
100
0.01
-121 -111
f
RF
= 434MHz
f
RF
= 315MHz
0.2% BER
BIT-ERROR RATE
vs. AVERAGE INPUT POWER (FSK DATA)
MAX7032 toc05
AVERAGE INPUT POWER (dBm)
BIT-ERROR RATE (%)
-108 -106-110-112-114
0.1
1
10
100
0.01
-116 -104
f
RF
= 434MHz
0.2% BER
f
RF
= 315MHz
SENSITIVITY (dBm)
-117
-114
-111
-108
-105
-102
-120
SENSITIVITY vs. TEMPERATURE
(ASK DATA)
MAX7032 toc06
TEMPERATURE (°C)
11085603510-15-40
f
RF
= 434MHz
f
RF
= 315MHz
SENSITIVITY (dBm)
-110
-108
-106
-104
-102
-100
-112
SENSITIVITY vs. TEMPERATURE
(FSK DATA)
MAX7032 toc07
TEMPERATURE (°C)
11085603510-15-40
f
RF
= 434MHz
f
RF
= 315MHz
SENSITIVITY vs. FREQUENCY DEVIATION
(FSK DATA)
MAX7032 toc08
FREQUENCY DEVIATION (kHz)
SENSITIVITY (dBm)
10
-106
-104
-102
-100
-98
-96
-94
-108
1 100
RSSI vs. RF INPUT POWER
MAX7032 toc09
RF INPUT POWER (dBm)
RSSI (V)
-10-30-70 -50-90-110
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
-130 10
LOW-GAIN MODE
HIGH-GAIN MODE
AGC SWITCH
POINT
AGC HYSTERESIS: 3dB
RSSI AND DELTA vs. IF INPUT POWER
MAX7032 toc10
IF INPUT POWER (dBm)
RSSI (V)
-10-30-50-70
0.3
0.6
0.9
1.2
1.5
1.8
2.1
0
-90 10
-2.5
-1.5
-0.5
0.5
1.5
2.5
3.5
-3.5
DELTA (%)
RSSI
DELTA
Typical Operating Characteristics (continued)
(
Typical Application Circuit
, V
PAVDD
= V
AVDD
= V
DVDD
= V
HVIN
= +3.0V, f
RF
= 433.92MHz, T
A
= +25°C, IF BW = 280kHz, data rate
= 4kbps Manchester encoded, frequency deviation = ±50kHz, BER = 0.2% average RF power, unless otherwise noted.)
RECEIVER
