MAX7057ASE+ Maxim Integrated Products, MAX7057ASE+ Datasheet - Page 6

• Manufacturer Part Number: MAX7057ASE+
• Description: RF Transmitter IC TRANSMITTER ASK/FSK
• Manufacturer: Maxim Integrated Products

Specifications of MAX7057ASE+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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