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參數(shù)資料
| 型號： | MAX9075EUK+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR SGL SOT23-5 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，推挽式，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.1 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 1mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 0.005µA @ 5V |
| 電流 - 靜態(tài)（最大值）： | 6.6µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 82dB CMRR，77dB PSRR |
| 傳輸延遲（最大）： | 580ns |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | SC-74A，SOT-753 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1391 (CN2011-ZH PDF) |
| 其它名稱： | MAX9075EUK+TDKR |
MAX9075/MAX9077
Low-Cost, Ultra-Small, 3A
Single-Supply Comparators
6
Maxim Integrated
Pin Description
FUNCTION
NAME
SOT23
MAX9077
MAX/SO
SC70
SOT23
—
1
—
Comparator Output
OUT
1
—
1
4
2
Ground
GND
2
Output of Comparator A
OUTA
—
3
—
3
—
4
Noninverting Input of Comparator A
INA+
—
4
—
2
—
3
Inverting Input of Comparator A
INA-
—
Inverting Comparator Input
IN-
4
Noninverting Comparator Input
IN+
3
8
5
8
Positive Supply Voltage
VCC
5
—
5
6
—
6
Inverting Input of Comparator B
INB-
—
7
—
7
Output of Comparator B
OUTB
—
Noninverting Input of Comparator B
INB+
—
MAX9075
PIN
Detailed Description
The MAX9075/MAX9077 feature a 580ns propagation
delay from an ultra-low supply current of only 3A per
comparator. These devices are capable of single-sup-
ply operation in the 2.1V to 5.5V range. Large internal
output drivers allow rail-to-rail output swing with up to
2mA loads. Both comparators offer a push-pull output
that sinks and sources current.
Comparator Output
The MAX9075/MAX9077 are designed to maintain a
low-supply current during repeated transitions by limit-
ing the shoot-through current.
Noise Considerations, Comparator Input
The input common-mode voltage range for these
devices extends from 0V to VCC - 1.2V. Unlike many
other comparators, the MAX9075/MAX9077 can oper-
ate at any differential input voltage within these limits.
Input bias current is typically -5nA if the input voltage is
between the supply rails.
Although the comparators have a very high gain, useful
gain is limited by noise. The comparator has a wide-
band peak-to-peak noise of approximately 70V.
Applications Information
Adding Hysteresis
Hysteresis extends the comparator’s noise margin by
increasing the upper threshold and decreasing the
lower threshold. A voltage divider from the output of the
comparator sets the trip voltage. Therefore, the trip
voltage is related to the output voltage. Set the hystere-
sis with three resistors using positive feedback, as
shown in Figure 1.
The design procedure is as follows:
1) Choose R3. The leakage current of IN+ may cause a
small error; however, the current through R3 can be
approximately 500nA and still maintain accuracy.
The added supply current due to the circuit at the
trip point is VCC/R3; 10MΩ is a good practical value
for R3, as this keeps the current well below the sup-
ply current of the chip.
2) Choose the hysteresis voltage (VHYS), which is the
voltage between the upper and lower thresholds. In
this example, choose VHYS = 50mV and assume
VREF = 1.2V and VCC = 5V.
3) Calculate R1 as follows:
R1 = R3 x VHYS/VCC = 10MΩ x 0.05/5 = 100kΩ
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9075EXK | 制造商:Maxim Integrated Products 功能描述:5 PIN COUNT SC70 PACKAGE TYPE - Bulk |
| MAX9075EXK+ | 制造商:Maxim Integrated Products 功能描述:COMPARATOR SGL R-R O/P 5.5V 5PIN SC-70 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:SINGLE-SUPPLY COMPARATORS 制造商:Maxim Integrated Products 功能描述:MAX9075 rail-to-rail comparator, SC70-5 |
| MAX9075EXK+T | 功能描述:校驗(yàn)器 IC 3uA Single-Supply 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 |
| MAX9075EXK-T | 功能描述:校驗(yàn)器 IC 3uA Single-Supply 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 |
| MAX9077 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, Ultra-Small, 3レA Single-Supply Comparators |
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