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| 型号： | AD96685BR-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC COMP SNGL ULTRA-FAST 16-SOIC |
| 标准包装： | 2,500 |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | 补充型，ECL，开路发射极 |
| 电压 - 输入偏移（最小值）： | 2mV @ -5.2V，5V |
| 电流 - 输入偏压（最小值）： | 10µA @ -5.2V，5V |
| 电流 - 输出（标准）： | 30mA |
| 电流 - 静态（最大值）： | 18mA，36mA |
| CMRR, PSRR（标准）： | 90dB CMRR，70dB PSRR |
| 传输延迟（最大）： | 3.5ns |
| 工作温度： | -25°C ~ 85°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
REV. D
–5–
Typical Performance Characteristics–AD96685/AD96687
APPLICATIONS INFORMATION
The AD96685/AD96687 comparators are very high speed devices.
Consequently, high speed design techniques must be employed
to achieve the best performance. The most critical aspect of any
AD96685/AD96687 design is the use of a low impedance
ground plane.
Another area of particular importance is power supply decoupling.
Normally, both power supply connections should be separately
decoupled to ground through 0.1
F ceramic and 0.001 F mica
capacitors. The basic design of comparator circuits makes the
negative supply somewhat more sensitive to variations. As a
result, more attention should be placed on ensuring a “clean”
negative supply.
The LATCH ENABLE input is active LOW (latched). If the
latching function is not used, the LATCH ENABLE input should
be grounded (ground is an ECL logic HIGH). The LATCH
ENABLE input of the AD96687 should be tied to –2.0 V or left
“floating,” to disable the latching function. An alternate use of
the LATCH ENABLE input is as a hysteresis control input. By
varying the voltage at the LATCH ENABLE input for the
AD96685 and the differential voltage between both latch
inputs for the AD96687, small variations in the hysteresis can
be achieved.
Occasionally, one of the two comparator stages within the
AD96687 will not be used. The inputs of the unused comparator
should not be allowed to “float.” The high internal gain may
cause the output to oscillate (possibly affecting the other com-
parator which is being used) unless the output is forced into a
fixed state. This is easily accomplished by ensuring that the two
inputs are at least one diode drop apart, while also grounding
the LATCH ENABLE input.
The best performance will be achieved with the use of proper
ECL terminations. The open-emitter outputs of the AD96685/
AD96687 are designed to be terminated through 50
resis-
tors to –2.0 V, or any other equivalent ECL termination. If high
speed ECL signals must be routed more than a few centimeters,
MicroStrip or StripLine techniques may be required to ensure
proper transition times and prevent output ringing.
The AD96685/AD96687 have been specifically designed to
reduce propagation delay dispersion over an input overdrive
range of 100 mV to 1 V. Propagation delay dispersion is the
change in propagation delay which results from a change in
the degree of overdrive (how far the switching point is exceeded
by the input). The overall result is a higher degree of timing
accuracy since the AD96685/AD96687 are far less sensitive
to input variations than most comparator designs.
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相关代理商/技术参数 |
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|---|---|
| AD96685BRZ | 功能描述:IC COMP SNGL ULTRA-FAST 16-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:- 标准包装:1 系列:- 类型:通用 元件数:1 输出类型:CMOS，开路集电极，TTL 电压 - 电源，单路/双路(±):2.7 V ~ 5.5 V 电压 - 输入偏移（最小值）:7mV @ 5V 电流 - 输入偏压（最小值）:0.25µA @ 5V 电流 - 输出（标准）:84mA @ 5V 电流 - 静态（最大值）:120µA CMRR, PSRR（标准）:- 传输延迟（最大）:600ns 磁滞:- 工作温度:-40°C ~ 85°C 封装/外壳:SC-74A，SOT-753 安装类型:表面贴装 包装:剪切带 (CT) 产品目录页面:1268 (CN2011-ZH PDF) 其它名称:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| AD96685BRZ-REEL | 功能描述:IC COMP SNGL ULTRA-FAST 16-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:通用 元件数:1 输出类型:CMOS，推挽式，满摆幅，TTL 电压 - 电源，单路/双路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 电压 - 输入偏移（最小值）:5mV @ 5.5V 电流 - 输入偏压（最小值）:1pA @ 5.5V 电流 - 输出（标准）:- 电流 - 静态（最大值）:24µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:450ns 磁滞:±3mV 工作温度:-40°C ~ 85°C 封装/外壳:6-WFBGA，CSPBGA 安装类型:表面贴装 包装:管件 其它名称:Q3554586 |
| AD96685TE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Comparator |
| AD96685TE/883B | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| AD96685TH | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Comparator |
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