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參數(shù)資料
| 型號(hào)： | ADCMP356YKSZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 12/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC COMP/REF PP ACTIVE HI SC70-4 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | 帶電壓基準(zhǔn) |
| 元件數(shù)： | 1 |
| 輸出類(lèi)型： | 推挽式 |
| 電壓 - 電源，單路/雙路(±)： | 2.25 V ~ 5.5 V |
| 電流 - 輸入偏壓（最小值）： | 170µA @ 5.5V |
| 電流 - 靜態(tài)（最大值）： | 15µA |
| 磁滯： | 15mV |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | SC-82A，SOT-343 |
| 安裝類(lèi)型： | 表面貼裝 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | ADCMP356YKSZ-REEL7DKR |
ADCMP350/ADCMP352/ADCMP354/ADCMP356
Rev. A | Page 9 of 12
APPLICATIONS
ADDING HYSTERESIS
To prevent oscillations at the output caused by noise or slowly
moving signals passing the switching threshold, positive
feedback can be used to add hysteresis to the noninverting parts
(ADCMP354 and ADCMP356).
For the noninverting configuration shown in Figure 19, two
resistors are used to create different switching thresholds,
depending on whether the input signal is increasing or
decreasing in magnitude. When the input voltage is increasing,
the threshold is above VREF, and when it’s decreasing, the
threshold is below VREF.
The upper input threshold level is given by
(
)
R2
R1
V
R2
R1
V
CC
REF
IN_HI
+
=
where VREF = 0.6 V.
The lower input threshold level is given by
(
)
R2
R1
V
REF
IN_LO
+
=
The hysteresis is the difference between these voltage levels and
is given by
R2
R1
V
CC
IN =
ADM331
OUT
ADCMP354
VCC = 5V
RPULLUP
RLOAD
R2
R1
VIN
05112-017
VREF = 0.6V
Figure 19. Noninverting Comparator Configuration with Hysteresis
VOLTAGE DETECTOR
The ADCMP35x parts can be used to monitor voltages, such as
battery monitoring or threshold detectors. Using a resistor
divider at the input to select the appropriate trip voltage, the
comparator can be configured to give a logic output when the
input passes that threshold. Figure 20 shows the typical
configuration of the ADCMP354 for monitoring a supply to
indicate that the voltage is above a certain level.
ADM331
OUT
ADCMP354
VCC = 5V
RPULLUP
R1
VIN
05112-018
VREF = 0.6V
R1
Figure 20. Voltage Detector Application
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ADCMP357 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Comparator and Reference Circuits |
| ADCMP357AKS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Comparator and Reference Circuits |
| ADCMP361 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single 0.275% Comparator and Reference with Dual Polarity Outputs |
| ADCMP361_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single 0.275% Comparator and Reference with Dual Polarity Outputs |
| ADCMP361ARJ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single Comparator with 400mV Reference and Dual Polarity Outputs |
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