参数资料
型号: LT1715CMS#PBF
厂商: Linear Technology
文件页数: 9/20页
文件大小: 0K
描述: IC COMPARATOR 150MHZ DUAL 10MSOP
标准包装: 50
系列: UltraFast™
类型: 通用
元件数: 2
输出类型: CMOS,满摆幅,TTL
电压 - 电源,单路/双路(±): 2.7 V ~ 12 V
电压 - 输入偏移(最小值): 2.5mV @ ±5V
电流 - 输入偏压(最小值): 6µA @ ±5V
电流 - 输出(标准): 20mA
电流 - 静态(最大值): 2mA
CMRR, PSRR(标准): 70dB CMRR,80dB PSRR
传输延迟(最大): 9ns
磁滞: 6mV
工作温度: 0°C ~ 70°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
安装类型: 表面贴装
包装: 管件
产品目录页面: 1323 (CN2011-ZH PDF)
LT1715
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APPLICATIONS INFORMATION
The gain and hysteresis stage of the LT1715 is simple, short
and high speed to help prevent parasitic oscillations while
adding minimum dispersion. This internal “self-latch” can
be usefully exploited in many applications because it occurs
early in the signal chain, in a low power, fully differential
stage. It is therefore highly immune to disturbances from
other parts of the circuit, such as the output, or on the
supply lines. Once a high speed signal trips the hysteresis,
the output will respond, after some propagation delay,
without regard to these external inuences that can cause
trouble in nonhysteretic comparators.
±VTRIP Test Circuit
The input trip points test circuit uses a 1kHz triangle wave
to repeatedly trip the comparator being tested. The LT1715
output is used to trigger switched capacitor sampling of
the triangle wave, with a sampler for each direction.
Because the triangle wave is attenuated 1000:1 and fed to
the LT1715’s differential input, the sampled voltages are
therefore 1000 times the input trip voltages. The hysteresis
and offset are computed from the trip points as shown.
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