Typical operating characteristics (continued), Transmitter – Rainbow Electronics MAX7032 User Manual
Page 10
MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
10
______________________________________________________________________________________
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
MAX7032 toc27-1
EXTERNAL RESISTOR (
Ω)
SUPPLY CURRENT (mA)
1k
100
1
10
4
6
8
10
12
14
16
18
2
0.1
10k
-12
-8
-4
0
4
8
12
16
-16
OUTPUT POWER (dBm)
f
RF
= 315MHz
PA ON
POWER
CURRENT
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
MAX7032 toc27-2
EXTERNAL RESISTOR (
Ω)
SUPPLY CURRENT (mA)
1k
100
1
10
4
6
8
10
12
14
16
18
2
0.1
10k
-12
-8
-4
0
4
8
12
16
-16
OUTPUT POWER (dBm)
f
RF
= 434MHz
PA ON
POWER
CURENT
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7032 28-1
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 315MHz
PA ON
ENVELOPE SHAPING DISABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7032 28-2
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 315MHz
PA ON
ENVELOPE SHAPING ENABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7032 29-1
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 434MHz
PA ON
ENVELOPE SHAPING DISABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7032 29-2
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
8
10
12
14
6
2.1
3.6
f
RF
= 434MHz
PA ON
ENVELOPE SHAPING ENABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7032 toc30
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
25
30
35
40
20
2.1
3.6
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 315MHz
PA ON
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7032 toc31
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
25
30
35
40
20
2.1
3.6
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 434MHz
PA ON
Typical Operating Characteristics (continued)
(Typical Operating Circuit, PAV
DD
= AV
DD
= DV
DD
= HV
IN
= +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.)
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