參數(shù)資料
型號: MAX7349ATG+
廠商: Maxim Integrated Products
文件頁數(shù): 24/29頁
文件大?。?/td> 0K
描述: IC CNTRL SW SOUND 24-TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 75
應用: 聲卡,播放器,記錄器
接口: I²C
電源電壓: 2.4 V ~ 3.6 V
封裝/外殼: 24-WFQFN 裸露焊盤
供應商設備封裝: 24-TQFN-EP(4x4)
包裝: 管件
安裝類型: 表面貼裝
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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參數(shù)描述
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