MAX1479 Maxim, MAX1479 Datasheet - Page 4
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MAX1479
Manufacturer Part Number
MAX1479
Description
300MHz to 450MHz Low-Power / Crystal-Based +10dBm ASK/FSK Transmitter
Manufacturer
Maxim
Datasheet
1.MAX1479.pdf
(11 pages)
300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
(Typical Application Circuit, V
4
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
15
14
13
12
11
10
_______________________________________________________________________________________
9
8
7
2.1
2.1
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
f
PA ON
f
PA 50% DUTY CYCLE AT 10kHz
RF
RF
T
A
= 315MHz
= 433MHz
= +125°C
T
A
2.4
2.4
= +25°C
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
18
16
14
12
10
8
6
4
2
T
2.7
2.7
A
0.1
T
SUPPLY CURRENT AND OUTPUT POWER
A
= +85°C
T
= +125°C
A
f
PA ON
= -40°C
RF
T
= 315MHz
A
= -40°C
3.0
3.0
vs. EXTERNAL RESISTOR
1
T
CURRENT
A
EXTERNAL RESISTOR (Ω)
= +85°C
DD
T
A
= +25°C
3.3
3.3
= +2.7V, T
10
3.6
3.6
100
A
POWER
= +25°C, unless otherwise noted.)
1k
MAX1479 toc07
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
12
11
10
9
8
7
6
5
4
3
2
2.1
-14
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. OUTPUT POWER
10k
f
f
PA 50% DUTY CYCLE AT 10kHz
RF
RF
16
12
8
4
0
-4
-8
-12
-16
= 315MHz
= 315MHz
T
-10
A
AVERAGE OUTPUT POWER (dBm)
= +125°C
2.4
SUPPLY VOLTAGE (V)
-6
2.7
T
A
= +85°C
PA ON
T
50% DUTY CYCLE
A
-2
= -40°C
Typical Operating Characteristics
3.0
2
T
A
= +25°C
3.3
6
18
16
14
12
10
8
6
4
2
0.1
SUPPLY CURRENT AND OUTPUT POWER
3.6
10
f
PA ON
RF
= 433MHz
vs. EXTERNAL RESISTOR
1
CURRENT
EXTERNAL RESISTOR (Ω)
15
14
13
12
11
10
12
11
10
9
8
7
9
8
7
6
5
4
3
2
-14
10
2.1
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. OUTPUT POWER
f
PA ON
f
RF
RF
= 433MHz
= 433MHz
-10
T
100
AVERAGE OUTPUT POWER (dBm)
A
2.4
= +25°C
SUPPLY VOLTAGE (V)
-6
POWER
2.7
1k
MAX1479 toc08
T
A
= +125°C
PA ON
-2
T
10k
A
50% DUTY CYCLE
3.0
= -40°C
T
A
16
12
8
4
0
-4
-8
-12
-16
2
= +85°C
3.3
6
3.6
10