VO HIGH +V<" />
參數(shù)資料
型號(hào): LMV393DMR2G
廠商: ON Semiconductor
文件頁(yè)數(shù): 4/20頁(yè)
文件大小: 0K
描述: IC COMPARATOR GP LV DUAL MICRO8
標(biāo)準(zhǔn)包裝: 4,000
類型: 通用
元件數(shù): 2
輸出類型: 開(kāi)路漏極
電壓 - 電源,單路/雙路(±): 2.7 V ~ 5 V
電壓 - 輸入偏移(最小值): 9mV @ 5V
電流 - 輸入偏壓(最小值): 0.001µA @ 5V
電流 - 輸出(標(biāo)準(zhǔn)): 84mA @ 5V
電流 - 靜態(tài)(最大值): 250µA
傳輸延遲(最大): 1.5µs
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
安裝類型: 表面貼裝
包裝: 帶卷 (TR)
其它名稱: LMV393DMR2G-ND
LMV393DMR2GOSTR
LMV331, NCV331, LMV393, LMV339
http://onsemi.com
12
VO HIGH
+VCC
R3
VT1
R1
R2
Figure 22.
VO LOW
+VCC
R3
VT2
R1
R2
Figure 23.
Noninverting Configuration with Hysteresis
A noninverting comparator is shown in Figure 24.
Figure 24.
+VCC
VREF
+
R2
VIN
R1
VA
RPULLUP
VO
RLOAD
The hysteresis band (Figure 25) of the noninverting
configuration is defined as follows:
DVin + VCCR1 R2
VIN1
VIN2
VIN
VO
VCC
0
Figure 25.
When VIN is much less than the voltage at the inverting
input (VREF), then the output is low. R2 can then be viewed
as being connected to ground (Figure 26). To calculate the
voltage required at VIN to trip the comparator high, the
following equation is used:
Vin1 +
Vref (R1 ) R2)
R2
When the output is high, VIN must less than or equal to
VREF (VIN ≤ VREF) before the output will be low again
(Figure 27). The following equation is used to calculate the
voltage at VIN to switch the output back to the low state:
Vin2 +
Vref (R1 ) R2) * VCCR1
R2
R2
R1
VA = VREF
VIN2
VO HIGH
+VCC
Figure 26.
R1
R2
VA = VREF
VO LOW
VIN1
Figure 27.
Termination of Unused Inputs
Proper termination of unused inputs is a good practice to
keep the output from ‘chattering.’ For example, if one
channel of a dual or quad package is not being used, then the
inputs must be connected to a defined state. The
recommended connections would be to tie one input to VCC
and the other input to ground.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMV393DR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC
LMV393DR2G 功能描述:校驗(yàn)器 IC LV R2R DUAL COMPARTR RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
LMV393DUAL 制造商:TI 制造商全稱:Texas Instruments 功能描述:GENERAL-PURPOSE LOW-VOLTAGE COMPARATORS
LMV393ID 功能描述:校驗(yàn)器 IC Dual Low-Voltage Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
LMV393ID 制造商:Texas Instruments 功能描述:IC COMPARATOR DUAL LOW VOLT SOIC8