MAX7044AKA+T Maxim Integrated Products, MAX7044AKA+T Datasheet - Page 5

• Manufacturer Part Number: MAX7044AKA+T
• Description: RF Transmitter IC TRANSMITTER ASK -Power, High Efficie
• Manufacturer: Maxim Integrated Products
• Type: Transmitterr

Specifications of MAX7044AKA+T

• Operating Frequency: 450 MHz
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V, 3.3 V
• Package / Case: SOT-23-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

50kHz/
( Typical Application Circuit , V
-100
-110
-120
-130
-140
div
-40
-50
-60
-70
-80
-90
60
55
50
45
40
35
30
25
20
0.01
2.1
PHASE NOISE vs. OFFSET FREQUENCY
f
PA 50% DUTY CYCLE AT 10kHz
RF
T
TRANSMIT POWER EFFICIENCY
= 315MHz
A
FREQUENCY SETTLING TIME
0.1
= -40°C
2.4
vs. SUPPLY VOLTAGE
OFFSET FREQUENCY (kHz)
T
A
SUPPLY VOLTAGE (V)
= +125°C
1
2.7
25μs/div
_______________________________________________________________________________________
10
Crystal-Based +13dBm ASK Transmitter
3.0
T
A
100
= +25°C
T
DD
A
= +85°C
3.3
1
= +2.7V, T
300MHz to 450MHz High-Efficiency,
3.6
10
A
= +25°C, unless otherwise noted.) (Note 1)
5dB/
div
18
16
14
12
10
Typical Operating Characteristics (continued)
70
65
60
55
50
45
40
35
30
8
6
4
2
2.1
SUPPLY CURRENT AND OUTPUT POWER
0
AM DEMODULATION OF PA OUTPUT
f
PA ON
f
PA ON
RF
RF
TRANSMIT POWER EFFICIENCY
= 433MHz
= 315MHz
2.4
vs. EXTERNAL RESISTOR
1
DATA RATE = 100kHz
vs. SUPPLY VOLTAGE
EXTERNAL RESISTOR (Ω)
T
A
T
CURRENT
SUPPLY VOLTAGE (V)
A
= +25°C
= +125°C
10
2.7
3.2μs/div
100
T
3.0
A
= -40°C
POWER
T
A
= +85°C
1000
3.3
MAX7044 toc14
10,000
3.6
16
12
8
4
0
-4
-8
-12
-16
10dB/
0dB
div
60
55
50
45
40
35
30
25
20
15
18
15
12
9
6
3
0
-10
2.1
SUPPLY CURRENT vs. OUTPUT POWER
f
PA 50% DUTY CYCLE AT 10kHz
f
RF
RF
T
A
TRANSMIT POWER EFFICIENCY
= 433MHz
= 315MHz
= -40°C
-6
2.4
OUTPUT SPECTRUM
vs. SUPPLY VOLTAGE
T
A
OUTPUT POWER (dBm)
SUPPLY VOLTAGE (V)
= +125°C
-2
f
RF
100MHz/div
2.7
= 315MHz
PA ON
50% DUTY CYCLE
2
3.0
T
6
A
= +85°C
T
A
3.3
= +25°C
10
3.6
14
5