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ManualsBrandsMaxim ManualsIntegrated Circuits (ICs)ASK/FSK Transmitter IC TQFN-16
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MAX1479
300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
4 _______________________________________________________________________________________
Typical Operating Characteristics
(
Typical Application Circuit
, V
DD
= +2.7V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1479 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.33.02.4 2.7
8
9
10
11
13
12
14
15
7
2.1 3.6
f
RF
= 315MHz
PA ON
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +125
°
C
T
A
= +85
°
C
3.33.02.72.4
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
5.0
2.1 3.6
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1479 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
f
RF
= 315MHz
PA 50% DUTY CYCLE AT 10kHz
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +125
°
C
T
A
= +85
°
C
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1479 toc03
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.33.02.4 2.7
8
9
10
11
13
12
14
15
7
2.1 3.6
f
RF
= 433MHz
PA ON
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +125
°
C
T
A
= +85
°
C
3.33.02.72.4
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
5.0
2.1 3.6
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1479 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
f
RF
= 433MHz
PA 50% DUTY CYCLE AT 10kHz
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +125
°
C
T
A
= +85
°
C
SUPPLY CURRENT vs. OUTPUT POWER
MAX1479 toc05
AVERAGE OUTPUT POWER (dBm)
SUPPLY CURRENT (mA)
62-2-6-10
3
4
5
6
7
8
9
10
11
12
2
-14 10
f
RF
= 315MHz
PA ON
50% DUTY CYCLE
SUPPLY CURRENT vs. OUTPUT POWER
MAX1479 toc06
AVERAGE OUTPUT POWER (dBm)
SUPPLY CURRENT (mA)
62-2-6-10
3
4
5
6
7
8
9
10
11
12
2
-14 10
f
RF
= 433MHz
PA ON
50% DUTY CYCLE
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
MAX1479 toc07
EXTERNAL RESISTOR (Ω)
SUPPLY CURRENT (mA)
OUTPUT POWER (dBm)
1k1001 10
4
6
8
10
14
12
16
18
2
-12
-8
-4
0
8
4
12
16
-16
0.1 10k
f
RF
= 315MHz
PA ON
POWER
CURRENT