Typical operating characteristics (continued) – Rainbow Electronics MAX7058 User Manual
Page 6
MAX7058
315MHz/390MHz Dual-Frequency
ASK Transmitter
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
REFERENCE SPUR MAGNITUDE
vs. SUPPLY VOLTAGE
MAX7058 toc10
SUPPLY VOLTAGE (V)
REFERENCE SPUR MAGNITUDE (dBc)
3.6
3.1
2.6
-49.5
-49.0
-48.0
-48.5
-47.5
-47.0
-46.5
-46.0
-45.5
-50.0
2.1
390MHz
315MHz
FREQUENCY STABILITY
vs. SUPPLY VOLTAGE
MAX7058 toc11
SUPPLY VOLTAGE (V)
FREQUENCY STABILITY (ppm)
3.6
3.1
2.6
-3
-2
-1
0
1
2
3
4
-4
2.1
390MHz
315MHz
EFFICIENCY
vs. SUPPLY VOLTAGE
MAX7058 toc12
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.6
3.0
3.3
2.4
2.7
14
12
16
18
22
20
24
28
26
30
10
2.1
T
A
= -40
°C
T
A
= +25
°C
315MHz
50% DUTY CYCLE
T
A
= +125
°C
T
A
= +85
°C
EFFICIENCY
vs. SUPPLY VOLTAGE
MAX7058 toc13
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.6
3.0
3.3
2.4
2.7
20
25
30
35
40
15
2.1
T
A
= -40
°C
T
A
= +25
°C
315MHz
PA ON
T
A
= +125
°C
T
A
= +85
°C
EFFICIENCY
vs. SUPPLY VOLTAGE
MAX7058 toc14
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.6
3.0
3.3
2.4
2.7
14
12
16
18
22
20
24
26
10
2.1
T
A
= +25
°C
390MHz
50% DUTY CYCLE
T
A
= +125
°C
T
A
= +85
°C
T
A
= -40
°C
EFFICIENCY
vs. SUPPLY VOLTAGE
MAX7058 toc15
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.6
3.0
3.3
2.4
2.7
19
17
23
21
25
29
27
31
33
15
2.1
T
A
= +25
°C
390MHz
PA ON
T
A
= +125
°C
T
A
= +85
°C
T
A
= -40
°C