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| 型号： | LT1712IGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC COMP R-R I/O DUAL LP 16SSOP |
| 标准包装： | 2,500 |
| 系列： | UltraFast™ |
| 类型： | 带锁销 |
| 元件数： | 2 |
| 输出类型： | CMOS，补充型，满摆幅，TTL |
| 电压 - 电源，单路/双路(±)： | 2.4 V ~ 12 V，±2.4 V ~ 6 V |
| 电压 - 输入偏移（最小值）： | 5mV @ 5V |
| 电流 - 输入偏压（最小值）： | 5µA @ 5V |
| 电流 - 输出（标准）： | 20mA |
| 电流 - 静态（最大值）： | 22mA |
| CMRR, PSRR（标准）： | 75dB CMRR，85dB PSRR |
| 传输延迟（最大）： | 6ns |
| 磁滞： | 100mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
1
LT1711/LT1712
Single/Dual 4.5ns, 3V/5V/
±5V,
Rail-to-Rail Comparators
The LT
1711/LT1712 are UltraFastTM 4.5ns comparators
featuring rail-to-rail inputs, rail-to-rail complementary out-
puts and an output latch. Optimized for 3V and 5V power
supplies, they operate over a single supply voltage range
from 2.4V to 12V or from
±2.4V to ±6V dual supplies.
The LT1711/LT1712 are designed for ease of use in a
variety of systems. In addition to wide supply voltage
flexibility, rail-to-rail input common mode range extends
100mV beyond both supply rails, and the outputs are
protected against phase reversal for inputs extending
further beyond the rails. Also, the rail-to-rail inputs may be
taken to opposite rails with no significant increase in input
current. The rail-to-rail matched complementary outputs
interface directly to TTL or CMOS logic and can sink 10mA
to within 0.5V of GND or source 10mA to within 0.7V of V +.
The LT1711/LT1712 have internal TTL/CMOS compatible
latches for retaining data at the outputs. Each latch holds
data as long as the latch pin is held high. Latch pin
hysteresis provides protection against slow moving or
noisy latch signals. The LT1711 is available in the 8-pin
MSOP package. The LT1712 is available in the 16-pin
narrow SSOP package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
High Speed Automatic Test Equipment
s
Current Sense for Switching Regulators
s
Crystal Oscillator Circuits
s
High Speed Sampling Circuits
s
High Speed A/D Converters
s
Pulse Width Modulators
s
Window Comparators
s
Extended Range V/F Converters
s
Fast Pulse Height/Width Discriminators
s
Line Receivers
s
High Speed Triggers
UltraFast is a trademark of Linear Technology Corporation.
LT1711/LT1712 Propagation Delay
vs Input Overdrive
s
Ultrafast: 4.5ns at 20mV Overdrive
5.5ns at 5mV Overdrive
s
Rail-to-Rail Inputs
s
Rail-to-Rail Complementary Outputs (TTL/CMOS
Compatible)
s
Specified at 2.7V, 5V and
±5V Supplies
s
Output Latch
s
Inputs Can Exceed Supplies Without Phase Reversal
s
LT1711: 8-Lead MSOP Package
s
LT1712: 16-Lead Narrow SSOP Package
171112 TA01
–
+
LT1711
5V
390
200pF
* 1% FILM RESISTOR
** NORTHERN ENGINEERING LABS C-2350N-14.31818MHz
5V
FREQUENCY
OUTPUT
3.9k*
VIN
0V TO 5V
1M
MV-209
VARACTOR
DIODE
2k
100pF
15pF
Y1**
100pF
0.047
F
C SELECT
(CHOOSE FOR CORRECT
PLL LOOP RESPONSE)
1M
1M*
1N4148
LT1004-2.5
47k*
1k*
A 4
× NTSC Subcarrier Voltage-Tunable Crystal Oscillator
INPUT OVERDRIVE (mV)
0
PROPAGATION
DELAY
(ns)
3.5
4.0
4.5
tPD
+
tPD
–
30
50
171112 TA02
3.0
10
20
40
5.0
5.5
6.0
60
TA = 25°C
V+ = 5V
V – = 0V
VSTEP = 100mV
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
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