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參數(shù)資料
| 型號(hào)： | MAX944ESD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/14頁 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR R-R 14-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 通用 |
| 元件數(shù)： | 4 |
| 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）： | 2mV @ 5.5V |
| 電流 - 輸入偏壓（最小值）： | 0.15µA @ 5.5V |
| 電流 - 靜態(tài)（最大值）： | 600µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 81.94dB CMRR，81.94dB PSRR |
| 傳輸延遲（最大）： | 80ns |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
MAX941/MAX942/MAX944
Output Stage Circuitry
The MAX941/MAX942/MAX944 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 signifi-
cant decrease in current conserves power after an out-
put 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 MAX941/MAX942/
MAX944 requires design precautions to realize the
comparators’ full high-speed capability. The recom-
mended precautions are:
1) Use a printed circuit board with a good, unbro-
ken, low-inductance ground plane.
2) Place a decoupling capacitor (a 0.1F ceramic
capacitor is a good choice) as close to V+ 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 printed circuit
board instead of using a socket.
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
Single-Supply Comparators
8
_______________________________________________________________________________________
VOH
tLPW
OUT
tLPD
tPD
V+
0V
V+
0V
V+
2
V+
2
VOL
LATCH
DIFFERENTIAL
INPUT
VOLTAGE
VOS
tH
tS
Figure 2. MAX941 Timing Diagram with Latch Operator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX944MJD | 功能描述:校驗(yàn)器 IC 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 |
| MAX944MSD/PR | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9450EHJ | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 Not Available From Mouser RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EHJ+ | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 High-Precision Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EHJ+T | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 High-Precision Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
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