MAX7032 Maxim Integrated Products, MAX7032 Datasheet - Page 10

• Manufacturer Part Number: MAX7032
• Description: ASK/FSK Transceiver
• Manufacturer: Maxim Integrated Products

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Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
10
(Typical Operating Circuit, PAV
4kbps Manchester encoded, frequency deviation = ±50kHz, BER = 0.2% average RF power, unless otherwise noted.)
14
12
10
14
12
10
______________________________________________________________________________________
8
6
8
6
4
2.1
2.1
OUTPUT POWER vs. SUPPLY VOLTAGE
OUTPUT POWER vs. SUPPLY VOLTAGE
f
PA ON
ENVELOPE SHAPING ENABLED
f
PA ON
ENVELOPE SHAPING DISABLED
RF
RF
T
T
A
= 434MHz
= 315MHz
A
= +25°C
T
= +85°C
A
2.4
2.4
T
= +25°C
T
A
A
18
16
14
12
10
= -40°C
T
8
6
4
2
= +85°C
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
A
T
0.1
SUPPLY CURRENT AND OUTPUT POWER
= -40°C
A
= +125°C
2.7
f
PA ON
2.7
RF
T
= 315MHz
A
= +125°C
vs. EXTERNAL RESISTOR
1
3.0
3.0
EXTERNAL RESISTOR (Ω)
CURRENT
10
DD
3.3
3.3
= AV
100
POWER
3.6
3.6
DD
= DV
MAX7032 toc27-1
1k
14
12
10
40
35
30
25
20
Typical Operating Characteristics (continued)
DD
8
6
4
10k
2.1
2.1
OUTPUT POWER vs. SUPPLY VOLTAGE
= HV
f
PA ON
ENVELOPE SHAPING ENABLED
16
12
8
4
0
-4
-8
-12
-16
f
PA ON
RF
RF
T
EFFICIENCY vs. SUPPLY VOLTAGE
A
TRANSMITTER
= 315MHz
= 315MHz
T
= +25°C
A
2.4
T
= +85°C
2.4
IN
A
= -40°C
= +3.0V, f
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
T
A
2.7
2.7
= +125°C
3.0
3.0
RF
= 433.92MHz, T
T
T
T
T
A
A
A
A
= +25°C
= +85°C
= +125°C
= -40°C
3.3
3.3
18
16
14
12
10
8
6
4
2
SUPPLY CURRENT AND OUTPUT POWER
0.1
f
PA ON
RF
3.6
3.6
= 434MHz
vs. EXTERNAL RESISTOR
1
EXTERNAL RESISTOR (Ω)
CURENT
A
= +25°C, IF BW = 280kHz, data rate =
10
40
35
30
25
20
14
12
10
8
6
4
2.1
2.1
OUTPUT POWER vs. SUPPLY VOLTAGE
f
PA ON
f
PA ON
ENVELOPE SHAPING DISABLED
RF
RF
EFFICIENCY vs. SUPPLY VOLTAGE
100
T
POWER
A
T
= 434MHz
= 434MHz
= +25°C
A
= +85°C
2.4
2.4
T
A
= -40°C
MAX7032 toc27-2
1k
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
T
A
2.7
2.7
= +125°C
10k
16
12
8
4
0
-4
-8
-12
-16
3.0
3.0
T
T
T
T
A
A
A
A
= +25°C
= +85°C
= +125°C
= -40°C
3.3
3.3
3.6
3.6