MAX7057 MAXIM [Maxim Integrated Products], MAX7057 Datasheet - Page 6

• Manufacturer Part Number: MAX7057
• Description: 300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter
• Manufacturer: MAXIM [Maxim Integrated Products]

300MHz to 450MHz Frequency-Programmable
ASK/FSK Transmitter
(50Ω system impedance, AVDD = DVDD = PAVDD = +2.1V to +3.6V, f
wise noted. Typical values are at AVDD = DVDD = PAVDD = +2.7V, T
6
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-100
-110
-120
-130
-50
-60
-70
-80
-90
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
100
0.1
0.1
SUPPLY CURRENT AND OUTPUT POWER
SUPPLY CURRENT AND OUTPUT POWER
PHASE NOISE vs. OFFSET FREQUENCY
f
f
50% DUTY CYCLE
f
50% DUTY CYCLE
RF
RF
RF
= 433.92MHz
= 433.92MHz
= 315MHz
1k
vs. EXTERNAL RESISTOR
vs. EXTERNAL RESISTOR
1
1
EXTERNAL RESISTOR (Ω)
EXTERNAL RESISTOR (Ω)
OFFSET FREQUENCY (Hz)
10k
10
10
OUTPUT POWER
OUTPUT POWER
100k
100
100
SUPPLY CURRENT
SUPPLY CURRENT
1000
1000
1M
MAX7057 toc12
MAX7057 toc10
Typical Operating Characteristics (continued)
10,000
10,000
10M
10
5
0
-5
-10
-15
-20
-25
-30
10
5
0
-5
-10
-15
-20
-25
A
RF
= +25°C, unless otherwise noted.)
= 300MHz to 450MHz, T
-100
-110
-120
-130
-140
-30
-35
-40
-45
-50
-55
-60
14
12
10
-60
-70
-80
-90
8
6
4
2
0
0.1
100
2.1
SUPPLY CURRENT AND OUTPUT POWER
PHASE NOISE vs. OFFSET FREQUENCY
f
PA ON
f
RF
RF
= 433.92MHz
= 315MHz
REFERENCE SPUR MAGNITUDE
f
RF
f
RF
2.4
vs. EXTERNAL RESISTOR
1k
1
= 433.92MHz
vs. SUPPLY VOLTAGE
= 315MHz
EXTERNAL RESISTOR (Ω)
OFFSET FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
10
10k
2.7
OUTPUT POWER
100k
100
3.0
A
SUPPLY CURRENT
= -40°C to +125°C, unless other-
1000
1M
3.3
MAX7057 toc11
10,000
10M
3.6
15
10
5
0
-5
-10
-15
-20
-25