参数资料
型号: MAX7349AEG+T
厂商: Maxim Integrated Products
文件页数: 24/29页
文件大小: 0K
描述: IC CNTRL SW SOUND 24-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 声卡,播放器,记录器
接口: I²C
电源电压: 2.4 V ~ 3.6 V
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 带卷 (TR)
安装类型: 表面贴装
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
μs/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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