參數(shù)資料
型號: DS1231
英文描述: Low-Noise, High-Speed, 16-Bit Accurate CMOS Operational Amplifier 8-SOIC -40 to 125
中文描述: 電源監(jiān)視器
文件頁數(shù): 4/9頁
文件大小: 66K
代理商: DS1231
DS1231/S
022698 4/9
INPUT PIN HYSTERESIS Figure 3
NMI
VOH
VTP+
VIN
VOL
MODE = GND, VCC = +5V
NMI
VOH
VIN
VOL
MODE = VCC, VCC = +5V
–20
2.3
2.5
–35
2.15
2.5
–50
2.0
2.5
VTP-
VTP+
NOTE: HYSTERESIS TOLERANCE IS +60 mV
VTP-
VTP+
VTP-
APPLICATION WITH MODE PIN CONNECTED TO VCC Figure 4
DS1231
VCC
NMI
RST
IN
MODE
TOL
GND
+5V
R2
R1
VOLTAGE SENSE POINT
TO
mP
V SENSE
+
R1
) R2
R2
X2.3
VMAX
+
V SENSE
VTP
*
X5.0
THEN 8
+
R1
) 10K
10K
X2.3
R1 = 25K
EXAMPLE: V SENSE = 8 VOLTS AT TRIP POINT AND A
MAXIMUM VOLTAGE OF 17.5V WITH R2 = 10K
(-5% VCC THRESHOLD)
NOTE: RST requires a pull–up resister.
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相關代理商/技術參數(shù)
參數(shù)描述
DS1231/S 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Power Monitor Chip
DS123120 制造商:DALLAS 功能描述:*
DS1231-20 功能描述:監(jiān)控電路 Power Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
DS1231-20/G 功能描述:監(jiān)控電路 Power Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
DS1231-20+ 功能描述:監(jiān)控電路 Power Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel