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參數(shù)資料
| 型號： | MAX9109ESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPAR LP SNGL 8-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： | 帶鎖銷 |
| 元件數(shù)： | 1 |
| 輸出類型： | TTL |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 1.6mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 0.125µA @ 5V |
| 電流 - 靜態(tài)（最大值）： | 700µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 86.02dB CMRR，86.02dB PSRR |
| 傳輸延遲（最大）： | 25ns |
| 磁滯： | 2mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
MAX9107/MAX9108/MAX9109
25ns, Dual/Quad/Single, Low-Power,
TTL Comparators
6
_______________________________________________________________________________________
_______________Detailed Description
Timing
Noise or undesired parasitic AC feedback cause most
high-speed comparators to oscillate in the linear region
(i.e., when the voltage on one input is at or near the
voltage on the other input). The MAX9107/MAX9108/
MAX9109 eliminate this problem by incorporating an
internal hysteresis of 2mV. When the two comparator
input voltages are equal, hysteresis effectively causes
one comparator input voltage to move quickly past the
other, thus taking the input out of the region where
oscillation occurs. Standard comparators require that
hysteresis be added through the use of external resis-
tors. The MAX9107/MAX9108/MAX9109’s fixed internal
hysteresis eliminates these resistors. To increase hys-
teresis and noise margin even more, add positive feed-
back with two resistors as a voltage divider from the
output to the noninverting input.
Adding hysteresis to a comparator creates two trip
points: one for the input voltage rising and one for the
input voltage falling (Figure 1). The difference between
these two input-referred trip points is the hysteresis.
The average of the trip points is the offset voltage.
Figure 1 illustrates the case where IN- is fixed and IN+
is varied. If the inputs were reversed, the figure would
look the same, except the output would be inverted.
The MAX9109 includes an internal latch, allowing the
result of a comparison to be stored. If LE is low, the
latch is transparent (i.e., the comparator operates as
though the latch is not present). The state of the com-
parator output is latched when LE is high (Figure 2).
______________________________________________________________Pin Description
PIN
MAX9109
MAX9107
MAX9108
SC70/SOT23
SO
NAME
FUNCTION
1
—
OUTA
Channel A Output
2
—
INA-
Channel A Inverting Input
3
—
INA+
Channel A Noninverting Input
7
—
OUTB
Channel B Output
6
—
INB-
Channel B Inverting Input
5
—
INB+
Channel B Noninverting Input
—
8
—
OUTC
Channel C Output
—
9
—
INC-
Channel C Inverting Input
—
10
—
INC+
Channel C Noninverting Input
—
14
—
OUTD
Channel D Output
—
13
—
IND-
Channel D Inverting Input
—
12
—
IND+
Channel D Noninverting Input
—
1
7
OUT
Output
—
3
2
IN+
Noninverting Input
—
4
3
IN-
Inverting Input
8
461
VCC
Positive Supply
4
11
2
6
GND
Ground
—
5
LE
Latch Enable. The latch is transparent when LE is low.
—
4, 8
N.C.
No Connection. Not internally connected.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9109EUT | 制造商:Maxim Integrated Products 功能描述:25NS SINGLE LOW-POWER TTL COMPAR - Cut Tape Product |
| MAX9109EUT+ | 制造商:Maxim Integrated Products 功能描述:COMPARATOR SGL 5.5V 6PIN SOT-23 - Rail/Tube |
| MAX9109EUT+T | 功能描述:校驗器 IC Single TTL 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 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 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 |
| MAX9109EUT-T | 功能描述:校驗器 IC Single TTL 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 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 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 |
| MAX9109EXT | 制造商:Maxim Integrated Products 功能描述:25NS SINGLE LOW-POWER TTL COMPAR - Rail/Tube |
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