Rainbow Electronics MAX1479 - Manual (Page 4)

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)
3.3 3.0 2.4 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
3.3 3.0 2.7 2.4
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)
3.3 3.0 2.4 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
3.3 3.0 2.7 2.4
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)
6 2 -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)
6 2 -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)
1k 100 1 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
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
MAX1479 toc08
EXTERNAL RESISTOR ( Ω)
SUPPLY CURRENT (mA) OUTPUT POWER (dBm)
1k 100 1 10
4
6
8
10
14
12
16
18
2
0.1 10k
f
RF
= 433MHz
PA ON
POWER
CURRENT
-12
-8
-4
0
8
4
12
16
-16