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參數(shù)資料
| 型號： | MAX9140AAUK+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMP SGL R-R INPUT SOT23-5 |
| 其它有關文件： | Automotive Product Guide |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，推挽式，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 6mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 0.35µA @ 5V |
| 電流 - 靜態(tài)（最大值）： | 400µA |
| CMRR, PSRR（標準）： | 61.41dB CMRR，61.94dB PSRR |
| 傳輸延遲（最大）： | 40ns |
| 磁滯： | 1.5mV |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | SC-74A，SOT-753 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1391 (CN2011-ZH PDF) |
| 其它名稱： | MAX9140AAUK+TDKR |
MAX9140/MAX9141/MAX9142/MAX9144
Output Stage Circuitry
The MAX9140/MAX9141/MAX9142/MAX9144 contain a
current-driven output stage as shown in Figure 4.
During an output transition, ISOURCE or ISINK is pushed
or pulled to the output pin. The output source or sink
current is high during the transition, creating a rapid
slew rate. Once the output voltage reaches VOH or
VOL, the source or sink current decreases to a small
value, capable of maintaining the VOH or VOL static
condition. This significant decrease in current con-
serves power after an output transition has occurred.
One consequence of a current-driven output stage is a
linear dependence between the slew rate and the load
capacitance. A heavy capacitive load will slow down a
voltage output transition. This can be useful in noise-
sensitive applications where fast edges may cause
interference.
Applications Information
Circuit Layout and Bypassing
The high-gain bandwidth of the MAX9140/MAX9141/
MAX9142/MAX9144 requires design precautions to
realize the full high-speed capabilities of these com-
parators. The recommended precautions are:
1) Use a PCB with a good, unbroken, low-induc-
tance ground plane.
2) Place a decoupling capacitor (a 0.1F ceramic
capacitor is a good choice) as close to VCC as
possible.
3) Pay close attention to the decoupling capacitor’s
bandwidth, keeping leads short.
4) On the inputs and outputs, keep lead lengths
short to avoid unwanted parasitic feedback
around the comparators.
5) Solder the device directly to the PCB instead of
using a socket.
40ns, Low-Power, 3V/5V, Rail-to-Rail
Single-Supply Comparators
8
_______________________________________________________________________________________
VOH
tLPW
OUT
tLPD
tPD
VCC
0
VCC
2
VCC
2
VOL
LE
DIFFERENTIAL
INPUT
VOLTAGE
VOS
VOD
tH
tS
MAX9140
MAX9141
MAX9142
MAX9144
4.1k
TO INTERNAL
CIRCUITRY
TO INTERNAL
CIRCUITRY
IN–
IN+
Figure 3. Input Stage Circuitry
Figure 2. MAX9141 Timing Diagram with Latch Operator
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9140AAXK | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:40ns, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators |
| MAX9140AAXK/V+T | 功能描述:校驗器 IC 40ns Low-Power 3V/5V Comparator RoHS:否 制造商:STMicroelectronics 產品: 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 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX9140AAXK+T | 功能描述:校驗器 IC 40ns Low-Power 3V/5V Comparator RoHS:否 制造商:STMicroelectronics 產品: 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 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX9140AAXKV+T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:40ns, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators |
| MAX9140EUK | 制造商:Maxim Integrated Products 功能描述:LOW-POWER, 3V/5V, RAIL-TO-RAIL COMPARATORS - Cut Tape Product |
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