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| 型号： | MAX962ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR BTR 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | Beyond-the-Rails™ |
| 类型： | 通用 |
| 元件数： | 2 |
| 输出类型： | CMOS，TTL |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 1.5mV @ 5V |
| 电流 - 输入偏压（最小值）： | 15µA @ 5V |
| 电流 - 静态（最大值）： | 9mA |
| CMRR, PSRR（标准）： | 80dB CMRR，86.02dB PSRR |
| 传输延迟（最大）： | 7ns |
| 磁滞： | 3.5mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
Single/Dual/Quad, Ultra-High-Speed, +3V/+5V,
Beyond-the-Rails Comparators
8
Maxim Integrated
MAX961–MAX964/MAX997/MAX999
_______________Detailed Description
The MAX961–MAX964/MAX997/MAX999 single-supply
comparators feature internal hysteresis, ultra-high-
speed operation, and low power consumption. Their
outputs are guaranteed to pull within 0.52V of either rail
without external pullup or pulldown circuitry. Beyond-
the-Rails input voltage range and low-voltage, single-
supply operation make these devices ideal for portable
equipment. These comparators all interface directly to
CMOS logic.
Timing
Most high-speed comparators oscillate in the linear
region because of noise or undesirable parasitic feed-
back. This can occur when the voltage on one input is
close to or equal to the voltage on the other input.
These devices have a small amount of internal hystere-
sis to counter parasitic effects and noise.
The added hysteresis of the MAX961–MAX964/MAX997/
MAX999 creates two trip points: one for the rising input
voltage and one for the falling input voltage (Figure 1).
The difference between the trip points is the hysteresis.
When the comparator’s input voltages are equal, the
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 hysteresis to be added with external
resistors. The fixed internal hysteresis eliminates these
resistors.
The MAX961/MAX963 include internal latches that allow
storage of comparison results. LE has a high input
impedance. If LE is low, the latch is transparent (i.e.,
the comparator operates as though the latch is not pre-
sent). The comparator’s output state is stored when LE
is pulled high. All timing constraints must be met when
using the latch function (Figure 2).
Input Stage Circuitry
The MAX961–MAX964/MAX997/MAX999 include inter-
nal protection circuitry that prevents damage to the pre-
cision input stage from large differential input voltages.
This protection circuitry consists of two groups of three
front-to-back diodes between IN+ and IN-, as well as
two 200
resistors (Figure 3). The diodes limit the dif-
ferential voltage applied to the comparator’s internal
circuitry to no more than 3VF, where VF is the diode’s
forward-voltage drop (about 0.7V at +25°C).
Q
VOL
VOH
VTRIP+
VHYST
VTRIP-
Q
VOL
VOH
VTRIP+ + VTRIP-
2
VOS =
VIN- = 0V
VIN+
Figure 1. Input and Output Waveforms, Noninverting Input Varied
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相关代理商/技术参数 |
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| MAX962ESA-TG068 | 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED, 3V /5V, RAIL-TO-RAIL, SINGLE-SUPP - Tape and Reel |
| MAX962EUA | 功能描述:校验器 IC Dual 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 |
| MAX962EUA+ | 功能描述:校验器 IC Dual 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 |
| MAX962EUA+T | 功能描述:校验器 IC Dual 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 |
| MAX962EUA-T | 功能描述:校验器 IC Dual 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 |
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