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| 型号： | MAX908ESD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/11页 |
| 文件大小： | 0K |
| 描述： | IC COMPAR HS TRPL 14-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 通用 |
| 元件数： | 4 |
| 输出类型： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 11 V |
| 电压 - 输入偏移（最小值）： | 2mV @ 5V |
| 电流 - 输入偏压（最小值）： | 0.3µA @ 5V |
| 电流 - 静态（最大值）： | 1mA |
| CMRR, PSRR（标准）： | 86.02dB CMRR，86.02dB PSRR |
| 传输延迟（最大）： | 50ns |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 管件 |
| 产品目录页面： | 1385 (CN2011-ZH PDF) |
MAX907/MAX908/MAX909
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 MAX907/MAX908/
MAX909 eliminate this problem by incorporating inter-
nal hysteresis. 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
resistors.
The
MAX907/MAX908/MAX909’s fixed internal hysteresis
eliminates these resistors (and the equations required
to determine appropriate values).
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.
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 MAX909 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 stored when LE is high (Figure 2).
Note that the MAX909 can be operated with V- con-
nected to ground or to a negative supply voltage. The
MAX909’s input range extends from (V- - 0.2V) to
(V+ - 1.5V).
Dual/Quad/Single, High-Speed, Ultra-Low-Power,
Single-Supply TTL Comparators
8
_______________________________________________________________________________________
Pin Description
The latch is transparent when LE is low. The comparator output is
stored when LE is high.
Inverted Comparator Output
QOUT
8
—
Comparator Output
QOUT
7
—
LE
5
—
Negative Supply or Ground
V-
4
—
Inverting Input
IN-
3
—
Noninverting Input
IN+
2
—
Comparator D Output
OUTD
—
14
—
Comparator D Inverting Input
IND-
—
13
—
Comparator D Noninverting Input
IND+
—
12
—
Comparator C Noninverting Input
INC+
—
10
—
Comparator C Inverting Input
INC-
—
9
—
Comparator C Output
OUTC
—
8
—
Positive Supply
V+
1
4
8
Comparator B Output
OUTB
—
7
Comparator B Inverting Input
INB-
—
6
Comparator B Noninverting Input
INB+
—
5
Ground
GND
6
11
4
Comparator A Noninverting Input
INA+
—
3
Comparator A Inverting Input
INA-
—
2
Comparator A Output
OUTA
—
1
MAX909
MAX908
MAX907
FUNCTION
NAME
PIN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX908ESD+ | 功能描述:校验器 IC Quad 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 |
| MAX908ESD+T | 功能描述:校验器 IC Quad 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 |
| MAX908ESD-T | 功能描述:校验器 IC 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 |
| MAX908MJD | 功能描述:校验器 IC 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 |
| MAX909 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single/Dual/Quad High-Speed, Ultra Low-Power, Single-Supply TTL Comparators |
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