參數(shù)資料
型號: ADCMP371AKS-REEL
廠商: Analog Devices Inc
文件頁數(shù): 2/12頁
文件大?。?/td> 0K
描述: IC COMPARATOR PUSH-PULL SC70-5
設(shè)計(jì)資源: Logarithmic Audio Volume Control with Glitch Reduction Using AD5292 (CN0120)
標(biāo)準(zhǔn)包裝: 10,000
類型: 通用
元件數(shù): 1
輸出類型: 推挽式
電壓 - 電源,單路/雙路(±): 2.25 V ~ 5.5 V
電壓 - 輸入偏移(最小值): 9mV @ 5.5V
電流 - 輸入偏壓(最小值): 0.05µA @ 5.5V
電流 - 靜態(tài)(最大值): 7µA
傳輸延遲(最大): 5µs
工作溫度: -40°C ~ 85°C
封裝/外殼: 6-TSSOP(5 引線),SC-88A,SOT-353
安裝類型: 表面貼裝
包裝: 帶卷 (TR)
ADCMP370/ADCMP371
Data Sheet
Rev. C | Page 10 of 12
The hysteresis is the difference between these voltage levels and
is given by
)
(
)
(
)
(
R3
R2
R1
R2
R3
R1
R2
R1
V
CC
IN
×
+
×
+
×
=
OUT
VCC = 5V
ADCMP371
IN+
IN–
04745-019
VOUT
VIN
VIN_LO
= 1.67V
VIN_HI
= 3.33V
VCC
R3
R1
R2
VIN_HI
VIN_LO
R1
R3
R2
RLOAD
R2 = 1M
R3 = 1M
R1 = 1M
VIN
VOUT HIGH:
VOUT LOW:
Figure 20. Inverting ADCMP371 Comparator Configuration with Hysteresis
For the ADCMP370 configuration, a pull-up resistor is required
for the open-drain output, which affects the hysteresis calcula-
tion. The noninverting ADCMP370 configuration is shown in
Figure 21. The upper switching threshold is
(
)
PULLUP
CC
PULLUP
R
R2
R1
V
R
R2
R1
+
+
= REF
IN_HI
V
The lower input threshold level is given by
(
)
R2
R1+
= REF
IN_LO
V
The hysteresis is the difference between these voltage levels
PULLUP
R
R2
R1
+
=
CC
IN
V
ADCMP370
IN+
IN–
04745-
031
OUT
R1
R2
VIN
VREF = 2.5V
VCC = 5V
RPULLUP
RLOAD
Figure 21. Noninverting ADCMP370 Comparator Configuration with
Hysteresis
The inverting ADCMP370 configuration is shown in Figure 22.
The upper and lower switching thresholds are
(
) R2
R
R3
R1
R2
V
PULLUP
CC
IN_HI
+
=
)
(
||
(
)
))
(
)
(
))
(
)
(
PULLUP
CC
IN_HI
R
R3
R2
R1
R2
R
R3
R1
R
R3
R1
R2
V
+
×
+
×
+
×
+
×
=
(
)
(
))
(
||
)
(
||
PULLUP
CC
IN_LO
R
R3
R2
R1
R
R3
R2
V
+
=
))
(
)
(
))
(
)
(
PULLUP
CC
IN_LO
R
R3
R2
R1
R2
R
R3
R1
R
R3
R2
V
+
×
+
×
+
×
+
×
=
assuming RLOAD >> R1, R2, R3, RPULLUP.
The hysteresis is the difference between these voltage levels and
is given by
))
(
)
(
))
(
PULLUP
CC
IN
R
R3
R2
R1
R2
R
R3
R1
R2
R1
V
+
×
+
×
+
×
=
ADCMP370
IN+
IN–
04745-
032
OUT
R3
R1
R2
VIN
VCC = 5V
RPULLUP
RLOAD
Figure 22. Inverting ADCMP370 Comparator Configuration with Hysteresis
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ADCMP371AKSZ 制造商:Analog Devices 功能描述:COMPARATOR PUSH-PULL SC70-5 制造商:Analog Devices 功能描述:COMPARATOR, PUSH-PULL, SC70-5 制造商:Analog Devices 功能描述:COMPARATOR, PUSH-PULL, SC70-5; Comparator Type:General Purpose; No. of Comparators:1; Supply Voltage Range:2.25V to 5.5V; Amplifier Case Style:SC-70; No. of Pins:5; IC Output Type:Push Pull; Supply Current:4A; Operating Temperature ;RoHS Compliant: Yes
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