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参数资料
| 型号： | LT685CN |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC COMP HI-SPD ECL OUTPUT 16-DIP |
| 标准包装： | 25 |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | 补充型，ECL |
| 电压 - 输入偏移（最小值）： | 2mV @ -5.2V，6V |
| 电流 - 输入偏压（最小值）： | 10µA @ -5.2V，6V |
| 电流 - 输出（标准）： | 30mA |
| 电流 - 静态（最大值）： | 22mA |
| CMRR, PSRR（标准）： | 80dB CMRR |
| 传输延迟（最大）： | 6.5ns |
| 工作温度： | -30°C ~ 85°C |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 安装类型： | 通孔 |
| 包装： | 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT685CN#PBF | 功能描述:IC COMP HI-SPD ECL OUTPUT 16-DIP 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 |
| LT685M | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Speed Comparator |
| LT685MH | 制造商:LINER 制造商全称: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 |
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