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參數(shù)資料
| 型號： | LT685CN#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMP HI-SPD ECL OUTPUT 16-DIP |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 類型： | 帶鎖銷 |
| 元件數(shù)： | 1 |
| 輸出類型： | 補充型，ECL |
| 電壓 - 輸入偏移（最小值）： | 2mV @ -5.2V，6V |
| 電流 - 輸入偏壓（最小值）： | 10µA @ -5.2V，6V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 30mA |
| 電流 - 靜態(tài)（最大值）： | 22mA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 80dB CMRR |
| 傳輸延遲（最大）： | 6.5ns |
| 工作溫度： | -30°C ~ 85°C |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 安裝類型： | 通孔 |
| 包裝： | 管件 |
1
LT685
685fa
RESISTANCE ()
100
200
500
1
HYSTERESIS
(mV)
10
100
1k
2k
5k
10k
LT685 TA02
HYSTERESIS IS ZERO
IF PIN LEFT OPEN
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
High Speed Comparator
■
Ultrafast (5.5ns typ)
■
Complementary ECL Output
■
50 Line Driving Capability
■
Low Offset Voltage
■
Output Latch Capability
■
External Hysteresis Control
■
Pin Compatible with Am685
■
High Speed A-to-D Converters
■
High Speed Sampling Circuits
■
Oscillators
The LT
685 is an ultrafast comparator with differential
inputs and complementary outputs fully compatible with
ECL logic levels. The output current capability is adequate
for driving transmission lines terminated in 50. The low
input offset and high resolution make this comparator
ideally suited for analog-to-digital signal processing
applications.
A latch function is provided to allow the comparator to be
used in a sample-hold mode. When the latch enable input
is ECL high, the comparator functions normally. When the
latch enable is driven low, the comparator outputs are
locked in their existing logical states. If the latch function
is not used, the latch enable must be connected to ground
or ECL high.
The device is pin-compatible with the Am685. Hysteresis
has been added to improve switching time with slow input
signals as well as to minimize oscillation. A single resistor
between the hysteresis pin and V– adds input hysteresis
voltage as more current is drawn. If hysteresis is not
required, the pin can be left unconnected.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Comparator with Hysteresis
Hysteresis
–
+
LT685
6V
–5.2V
R
RL
VT
RL
GND1
GND2
Q
HYSTERESIS
LATCH
ENABLE
LT685 TA01
V +
V –
VIN
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LT685M | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Speed Comparator |
| LT685MH | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Speed Comparator |
| LT685MH/883 | 制造商:Linear Technology 功能描述:High speed comparator |
| LT685MJ | 制造商:Linear Technology 功能描述:Comparator Single ±7V 16-Pin CDIP |
| LT685MJ/883 | 制造商:Linear Technology 功能描述:Comparator Single ±7V 16-Pin CDIP |
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