参数资料
型号: LTC2908IDDB-A1#TRPBF
厂商: Linear Technology
文件页数: 3/18页
文件大小: 0K
描述: IC MONITOR SIX SUPPLY PREC 8DFN
标准包装: 2,500
类型: 多压监控器
监视电压数目: 6
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 最小为 160 ms
电压 - 阀值: 1.683V,2.338V,3.086V,4.675V,可调,可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN(3x2)
包装: 带卷 (TR)
LTC2908
ELECTRICAL CHARACTERISTICS (LTC2908-A1) The l denotes speci?cations which apply over the full
operating temperature range, otherwise speci?cations are T A = 25°C, V CC = 5V unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V RT50
V RT33
V RT25
V RT18
V RTADJ
5V, 5% Reset Threshold
3.3V, 5% Reset Threshold
2.5V, 5% Reset Threshold
1.8V, 5% Reset Threshold
ADJ, 5% Reset Threshold
V1 Input Threshold
V2 Input Threshold
V3 Input Threshold
V4 Input Threshold
V ADJ1 , V ADJ2 Input Threshold
l
l
l
l
l
4.600
3.036
2.300
1.656
0.492
4.675
3.086
2.338
1.683
0.500
4.750
3.135
2.375
1.710
0.508
V
V
V
V
V
(LTC2908-B1) The l denotes speci?cations which apply over the full operating temperature range, otherwise speci?cations are
T A = 25°C, V CC = 3.3V unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V RT33
V RT25
V RT18
V RT15
V RTADJ
3.3V, 5% Reset Threshold
2.5V, 5% Reset Threshold
1.8V, 5% Reset Threshold
1.5V, 5% Reset Threshold
ADJ, 5% Reset Threshold
V1 Input Threshold
V2 Input Threshold
V3 Input Threshold
V4 Input Threshold
V ADJ1 , V ADJ2 Input Threshold
l
l
l
l
l
3.036
2.300
1.656
1.380
0.492
3.086
2.338
1.683
1.403
0.500
3.135
2.375
1.720
1.425
0.508
V
V
V
V
V
(LTC2908-C1) The l denotes speci?cations which apply over the full operating temperature range, otherwise speci?cations are
T A = 25°C, V CC = 2.5V unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V RT25
V RTADJ
2.5V, 5% Reset Threshold
ADJ, 5% Reset Threshold
V1 Input Threshold
V ADJ1 , V ADJ2 , V ADJ3 , V ADJ4 , V ADJ5 ,
Input Threshold
l
l
2.300
0.492
2.338
0.500
2.375
0.508
V
V
The l denotes speci?cations which apply over the full operating temperature range, otherwise speci?cations are T A = 25°C. V CC = 5V
for the LT2908-A1, V CC = 3.3V for the LTC2908-B1or V CC = 2.5V for the LTC2908-C1, unless otherwise noted. (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CC
I V1
I V2
I V3
I V4
I VADJ
Internal Supply Voltage
V1 Input Current (Note 4)
V2 Input Current (Note 4)
V3 Input Current
V4 Input Current
V ADJ1 , V ADJ2, V ADJ3, V ADJ4, V ADJ5
RST in Correct Logic State
V1 = 5.0V (LTC2908-A1)
V1 = 3.3V (LTC2908-B1)
V1 = 2.5V (LTC2908-C1)
V2 = 3.3V (LTC2908-A1)
V2 = 2.5V (LTC2908-B1)
V3 = 2.5V (LTC2908-A1)
V3 = 1.8V (LTC2908-B1)
V4 = 1.8V (LTC2908-A1)
V4 = 1.5V (LTC2908-B1)
V ADJ1 = V ADJ2 = V ADJ3 = V ADJ4 = V ADJ5 =
l
l
l
l
l
l
l
l
l
l
l
0.5
26
24
22
10
8
2
2
2
2
6
70
70
70
30
30
5
5
5
5
±15
V
μA
μA
μA
μA
μA
μA
μA
μA
μA
nA
Input Current
0.55V
2908fd
3
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