参数资料
型号: MAX7349AWG
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PDSO24
封装: 0.300 INCH, MS-013AD, SOIC-24
文件页数: 23/28页
文件大小: 760K
代理商: MAX7349AWG
MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch and
Sounder Controllers
4
_______________________________________________________________________________________
GPO OUTPUT LOW VOLTAGE
vs. SINK CURRENT
MAX7347
toc01
ISINK (mA)
V
OL
(mV)
20
15
10
5
50
100
150
200
250
300
0
025
V+ = 2.4V
TA = +125
°C
TA = +25
°C
TA = -40
°C
GPO OUTPUT LOW VOLTAGE
vs. SINK CURRENT
MAX7347
toc02
ISINK (mA)
V
OL
(mV)
20
15
10
5
50
100
150
200
250
300
0
025
V+ = 3V
TA = +125
°C
TA = +25
°C
TA = -40
°C
GPO OUTPUT LOW VOLTAGE
vs. SINK CURRENT
MAX7347
toc03
ISINK (mA)
V
OL
(V)
20
15
10
5
50
100
150
200
250
300
0
025
V+ = 3.6V
TA = +125
°C
TA = +25
°C
TA = -40
°C
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX7347
toc04
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
3.4
3.2
2.6
2.8
3.0
45
50
55
60
65
70
75
80
85
90
40
2.4
3.6
TA = +125
°C
TA = +25
°C
TA = -40
°C
KEY-SWITCH SOURCE CURRENT
vs. SUPPLY VOLTAGE
MAX7347
toc05
SUPPLY VOLTAGE (V)
KEY-SWITCH
SOURCE
CURRENT
(
A)
3.4
3.2
2.6
2.8
3.0
25
26
27
28
29
30
24
2.4
3.6
TA = +125
°C
COL0 = GND
TA = +25
°C
TA = -40
°C
SOUNDER FREQUENCY
vs. SUPPLY VOLTAGE
MAX7347
toc06
SUPPLY VOLTAGE (V)
SOUNDER
FREQUENCY
(Hz)
3.3
2.7
3.0
876
878
880
882
884
886
874
2.4
3.6
SOUNDER FREQUENCY
CONFIGURED FOR 880Hz
TA = +125
°C
TA = +25
°C
TA = -40
°C
SOUNDER OUTPUT
MAX7347 toc07
3V
0V
VSOUNDER
1V/div
200
s/div
OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX7347
toc08
SUPPLY VOLTAGE (V)
OSCILLATOR
FREQUENCY
(kHz)
3.3
2.7
3.0
61
62
63
64
65
60
2.4
3.6
OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX7347
toc09
TEMPERATURE (
°C)
OSCILLATOR
FREQUENCY
(kHz)
110
10
60
61
62
63
64
65
60
-40
Typical Operating Characteristics
(V+ = 3.3V, TA = +25°C, unless otherwise noted. Supply range for V+ is 2.4V to 3.6V. Temperature range is -40°C to +125°C.)
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