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LT1720IS8 Datasheet

  • LT1720IS8

  • Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-...

  • 28頁(yè)

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LT1720/LT1721
Dual/Quad,
4.5ns, Single Supply
3V/5V Comparators
with Rail-to-Rail Outputs
FEATURES
s
s
s
s
s
DESCRIPTIO
s
s
s
UltraFast: 4.5ns at 20mV Overdrive
7ns at 5mV Overdrive
Low Power: 4mA per Comparator
Optimized for 3V and 5V Operation
Pinout Optimized for High Speed Ease of Use
Input Voltage Range Extends 100mV
Below Negative Rail
TTL/CMOS Compatible Rail-to-Rail Outputs
Internal Hysteresis with Specified Limits
Low Dynamic Current Drain; 15碌A(chǔ)/(V-MHz),
Dominated by Load In Most Circuits
APPLICATIO S
s
s
s
s
s
s
s
High Speed Differential Line Receiver
Crystal Oscillator Circuits
Window Comparators
Threshold Detectors/Discriminators
Pulse Stretchers
Zero-Crossing Detectors
High Speed Sampling Circuits
The LT
廬
1720/LT1721 are UltraFast
TM
dual/quad compara-
tors optimized for single supply operation, with a supply
voltage range of 2.7V to 6V. The input voltage range extends
from 100mV below ground to 1.2V below the supply voltage.
Internal hysteresis makes the LT1720/LT1721 easy to use
even with slow moving input signals. The rail-to-rail outputs
directly interface to TTL and CMOS. Alternatively, the sym-
metric output drive can be harnessed for analog applications
or for easy translation to other single supply logic levels.
The LT1720 is available in the 8-pin MSOP and SO packages;
three pins per comparator plus power and ground. The
LT1721 is available in the 16-pin SSOP and S packages.
The pinouts of the LT1720/LT1721 minimize parasitic effects
by placing the most sensitive inputs (inverting) away from the
outputs, shielded by the power rails. The LT1720/LT1721 are
ideal for systems where small size and low power are
paramount.
, LTC and LT are registered trademarks of Linear Technology Corporation.
UltraFast is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
2.7V TO 6V
2k
220鈩?/div>
2.7V to 6V Crystal Oscillator with TTL/CMOS Output
8
1MHz TO 10MHz
CRYSTAL (AT-CUT)
7
6
Propagation Delay vs Overdrive
25擄C
V
STEP
= 100mV
V
CC
= 5V
C
LOAD
= 10pF
RISING EDGE
(t
PDLH
)
620鈩?/div>
+
鈥?/div>
GROUND
CASE
OUTPUT
DELAY (ns)
5
4
3
2
FALLING EDGE
(t
PDHL
)
C1
1/2 LT1720
2k
1720/21 TA01
1
0
0
10
30
OVERDRIVE (mV)
20
40
50
0.01碌F
1.8k
U
1720/21 TA02
U
U
1

LT1720IS8 產(chǎn)品屬性

  • LT1720/21

  • 100

  • 集成電路 (IC)

  • 線性 - 比較器

  • UltraFast™

  • 通用

  • 2

  • CMOS，滿擺幅，TTL

  • 2.7 V ~ 6 V

  • 3mV @ 5V

  • 6µA @ 5V

  • 20mA

  • 7mA

  • 70dB CMRR，80dB PSRR

  • 10ns

  • 7mV

  • -40°C ~ 85°C

  • 8-SOIC（0.154"，3.90mm 寬）

  • 表面貼裝

  • 管件

LT1720IS8相關(guān)型號(hào)PDF文件下載

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    No Rsense Synchronous Step-Up DC/DC Controller
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    Single/Dual 4.5ns, 3V/5V, Rail-to-Rail Comparators
    LINER
  • 英文版
    UNDERSTANDING THE SUBJECT IS CUSTOMER SERVICE
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  • 英文版
    4.5ns, 3V/5V/?V, Rail-to-Rail Comparator
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  • 英文版
    Single/Dual 4.5ns, 3V/5V, Rail-to-Rail Comparators
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    UNDERSTANDING THE SUBJECT IS CUSTOMER SERVICE
    ETC
  • 英文版
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    Linear
  • 英文版
    4ns, 150MHz Dual Comparator with Independent Input/Output Su...
    LINER
  • 英文版
    UNDERSTANDING THE SUBJECT IS CUSTOMER SERVICE
    ETC
  • 英文版
    7ns, Low Power, 3V/5V/?V Rail-to-Rail Comparator
    Linear
  • 英文版
    UNDERSTANDING THE SUBJECT IS CUSTOMER SERVICE
    ETC
  • 英文版
    4ns, 150MHz Dual Comparator with Independent Input/Output Su...
    LINER
  • 英文版
    7ns, Low Power, 3V/5V Dual Rail-to-Rail Comparator
    Linear
  • 英文版
    7ns, Low Power, 3V/5V Dual Rail-to-Rail Comparator
    Linear
  • 英文版
    4ns, 150MHz Dual Comparator with Independent Input/Output Su...
    LINER
  • 英文版
    4ns, 150MHz Dual Comparator with Independent Input/Output Su...
    Linear
  • 英文版
    SOT-23, 44V, Over-The-Top, Micropower, Precision Rail-to-Rai...
    LINER
  • 英文版
    SOT-23, 44V, Over-the-Top, Micropower, Precision, Rail-to-Ra...
    Linear

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