参数资料
型号: LT1720IS8#PBF
厂商: Linear Technology
文件页数: 1/28页
文件大小: 0K
描述: IC COMP R-RINOUT DUAL 8-SOIC
标准包装: 100
系列: UltraFast™
类型: 通用
元件数: 2
输出类型: CMOS,满摆幅,TTL
电压 - 电源,单路/双路(±): 2.7 V ~ 6 V
电压 - 输入偏移(最小值): 3mV @ 5V
电流 - 输入偏压(最小值): 6µA @ 5V
电流 - 输出(标准): 20mA
电流 - 静态(最大值): 7mA
CMRR, PSRR(标准): 70dB CMRR,80dB PSRR
传输延迟(最大): 10ns
磁滞: 7mV
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
安装类型: 表面贴装
包装: 管件
产品目录页面: 1323 (CN2011-ZH PDF)
LT1720/LT1721
1
17201fc
TYPICAL APPLICATION
DESCRIPTION
Dual/Quad, 4.5ns, Single
Supply 3V/5V Comparators
with Rail-to-Rail Outputs
The LT
1720/LT1721 are UltraFastTM 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 volt-
age. 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 symmetric output drive can be harnessed for analog
applications or for easy translation to other single supply
logic levels.
The LT1720 is available in three 8-pin packages; three pins
per comparator plus power and ground. In addition to SO
and MSOP packages, a 3mm
× 3mm low prole (0.8mm)
dual ne pitch leadless package (DFN) is available for space
limited applications. 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.
2.7V to 6V Crystal Oscillator with TTL/CMOS Output
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. UltaFast is
a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
FEATURES
APPLICATIONS
n High Speed Differential Line Receiver
n Crystal Oscillator Circuits
n Window Comparators
n Threshold Detectors/Discriminators
n Pulse Stretchers
n Zero-Crossing Detectors
n High Speed Sampling Circuits
n UltraFast: 4.5ns at 20mV Overdrive
7ns at 5mV Overdrive
n Low Power: 4mA per Comparator
n Optimized for 3V and 5V Operation
n Pinout Optimized for High Speed Ease of Use
n Input Voltage Range Extends 100mV
Below Negative Rail
n TTL/CMOS Compatible Rail-to-Rail Outputs
n Internal Hysteresis with Specied Limits
n Low Dynamic Current Drain; 15μA/(V-MHz),
Dominated by Load In Most Circuits
n Tiny 3mm
× 3mm × 0.75mm DFN Package (LT1720)
Propagation Delay vs Overdrive
+
C1
1/2 LT1720
2.7V TO 6V
2k
620Ω
220Ω
1MHz TO 10MHz
CRYSTAL (AT-CUT)
2k
17201 TA01
0.1μF
1.8k
OUTPUT
GROUND
CASE
OVERDRIVE (mV)
0
DELAY
(ns)
30
50
17201 TA02
10
20
40
8
7
6
5
4
3
2
1
0
25°C
VSTEP = 100mV
VCC = 5V
CLOAD = 10pF
RISING EDGE
(tPDLH)
FALLING EDGE
(tPDHL)
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相关代理商/技术参数
参数描述
LT1721 制造商:LINER 制造商全称:Linear Technology 功能描述:4ns, 150MHz Dual Comparator with Independent Input/Output Supplies
LT1721CGN 功能描述:IC COMP R-RINOUT QUAD 16-SSOP RoHS:否 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 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
LT1721CGN#PBF 功能描述:IC COMP R-RINOUT QUAD 16-SSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 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
LT1721CGN#PBF 制造商:Linear Technology 功能描述:High Speed Comparator IC
LT1721CGN#TR 功能描述:IC COMP QUAD R-R 4.5NS 16SSOP RoHS:否 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 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