參數(shù)資料
型號: LTC694
廠商: Linear Technology Corporation
英文描述: Microprocessor Supervisory Circuits
中文描述: 微處理器監(jiān)控電路
文件頁數(shù): 7/16頁
文件大?。?/td> 141K
代理商: LTC694
7
LTC 690/LTC 691
LTC 694/LTC 695
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
V
OUT
vs I
OUT
LOAD CURRENT (mA)
0
O
4.90
4.95
5.00
40
690 G01
4.85
4.80
4.75
10
20
30
50
SLOPE = 5
V
CC
= 5V
V
BATT
= 2.8V
T
A
°
C
Power Failure Input Threshold
vs Temperature
TEMPERATURE (
°
C)
–50
P
1.304
1.306
1.308
25
75
690 G03
1.302
1.300
–25
0
50
100
125
1.298
1.296
1.294
V
CC
= 5V
V
OUT
vs I
OUT
LOAD CURRENT (
μ
A)
0
O
2.76
2.78
400
690 G02
2.74
2.72
100
200
300
500
2.80
V
CC
= 0V
V
BATT
= 2.8V
T
A
°
C
SLOPE = 125
Reset Active Time
vs Temperature LTC690-1
TEMPERATURE (
°
C)
–50
R
54
56
58
25
75
690 G04
52
50
–25
0
50
100
125
48
46
V
CC
= 5V
Reset Active Time
vs Temperature LTC694-5
TEMPERATURE (
°
C)
–50
R
216
224
232
25
75
690 G05
208
200
–25
0
50
100
125
192
184
V
CC
= 5V
Reset Voltage Threshold
vs Temperature
TEMPERATURE (
°
C)
–50
R
4.64
4.65
4.66
25
75
690 G06
4.63
4.62
–25
0
50
100
125
4.61
4.60
Power-Fail Comparator
Response Time
TIME (
μ
s)
0
4
5
6
4
690 G07
3
2
0
1
2
3
5
1
1.305V
1.285V
8
7
6
V
CC
= 5V
T
A
= 25
°
C
+
V
PFI
1.3V
PFO
30pF
V
PFI
= 20mV STEP
P
Power-Fail Comparator
Response Time
TIME (
μ
s)
0
4
5
6
40
690 G08
3
2
0
20
60
1
1.315V
1.295V
120
100
80
V
PFI
= 20mV STEP
180
160
140
V
CC
= 5V
T
A
= 25
°
C
+
V
PFI
1.3V
PFO
30pF
P
Power-Fail Comparator Response
Time with Pull-Up Resistor
TIME (
μ
s)
0
4
5
6
4
690 G09
3
2
0
2
6
1
1.315V
1.295V
12
10
8
V
PFI
= 20mV STEP
18
16
14
V
CC
= 5V
T
A
= 25
C
+
V
PFI
1.3V
PFO
30pF
10k
5V
P
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PDF描述
LTC690IN8 Microprocessor Supervisory Circuits
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