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| 型号： | MAX9109EUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC COMPAR LP SGL SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 1.6mV @ 5V |
| 电流 - 输入偏压（最小值）： | 0.125µA @ 5V |
| 电流 - 静态（最大值）： | 700µA |
| CMRR, PSRR（标准）： | 86.02dB CMRR，86.02dB PSRR |
| 传输延迟（最大）： | 25ns |
| 磁滞： | 2mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-23-6 |
| 安装类型： | 表面贴装 |
| 包装： | 标准包装 |
| 产品目录页面： | 1391 (CN2011-ZH PDF) |
| 其它名称： | MAX9109EUT+TDKR |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9109EXT | 制造商:Maxim Integrated Products 功能描述:25NS SINGLE LOW-POWER TTL COMPAR - Rail/Tube |
| MAX9109EXT+ | 制造商:Maxim Integrated Products 功能描述:COMPARATOR SGL 5.5V 6PIN SC-70 - Rail/Tube |
| MAX9109EXT+T | 功能描述:校验器 IC Single TTL Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX9109EXT-T | 功能描述:校验器 IC Single TTL Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX910C/D | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Analog Comparator |
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