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| 型号： | LT1715HMS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 13/20页 |
| 文件大小： | 0K |
| 描述： | IC COMP DUAL 150MHZ 4NS 10-MSOP |
| 标准包装： | 50 |
| 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 ~ 12 V |
| 电压 - 输入偏移（最小值）： | 2.5mV @ ±5V |
| 电流 - 输入偏压（最小值）： | 7µA @ ±5V |
| 电流 - 输出（标准）： | 20mA |
| 电流 - 静态（最大值）： | 2.2mA |
| CMRR, PSRR（标准）： | 55dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 9ns |
| 磁滞： | 7mV |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 管件 |
| 产品目录页面： | 1323 (CN2011-ZH PDF) |
LT1715
20
1715fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
LT 1008 REV A PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LT1016
UltraFast Precision Comparator
Industry Standard 10ns Comparator
LT1116
12ns Single Supply Ground-Sensing Comparator
Single Supply Version of LT1016
LT1394
7ns, UltraFast, Single Supply Comparator
6mA Single Supply Comparator
LT1711/LT1712
4.5ns, 3V/5V/±5V Single/Dual Rail-to-Rail Comparators
UltraFast Rail-to-Rail Input and Output Comparator
LT1713/LT1714
7ns, Low Power, 3V/5V/±5V Single/Dual Rail-to-Rail Comparators
Rail-to-Rail Input and Output Comparator
LT1719
4.5ns Single Supply 3V/5V Comparator
Single Comparator Similar to the LT1715
LT1720/LT1721
Dual/Quad 4.5ns, Single Supply 3V/5V Comparator
Dual/Quad Comparator Similar to the LT1715
High Performance Sine Wave
to Square Wave Converter
Propagation delay of comparators is typically specied fora
100mV step with some fraction of that for overdrive. But
in many signal processing applications, such as in com-
munications, the goal is to convert a sine wave, such as
a carrier, to a square wave for use as a timing clock. The
desired behavior is for the output timing to be dependent
on the input timing only. No phase shift should occur as
a function of the input amplitude, which would result in
AM to FM conversion.
The circuit of Figure 12a is a simple LT1715-based sine
wave to square wave converter. The ±5V supplies on the
input allow very large swing inputs, while the 3V logic
supply keeps the output swing small to minimize crosstalk.
Figure 12b shows the time delay vs input amplitude with a
10MHz sine wave. The LT1715 delay changes just 0.65ns
over the 26dB amplitude range; 2.33° at 10MHz. The delay
is particularly at yielding excellent AM rejection from 0dBm
to 15dBm. If a 2:1 transformer is used to drive the input
differentially, this exceptionally at zone spans –5dBm to
10dBm, a common range for RF signal levels.
Similar delay performance is achieved with input fre-
quencies as high as 50MHz. There is, however, some
additional encroachment into the central at zone by both
the small amplitude and large amplitude variations. With
small input signals, the hysteresis and dispersion make
the LT1715 act like a comparator with a 12mV hysteresis
span. In other words, a 12mVP-P sine wave at 10MHz will
barely toggle the LT1715, with 90° of phase lagor 25ns
additional delay.
Above 5VP-P at 10MHz, the LT1715 delay starts to decrease
due to internal capacitive feed-forward in the input stage.
Unlike some comparators, the LT1715 will not falsely an-
ticipate a change in input polarity, but the feed-forward is
enough to make a transition propagate through the LT1715
faster once the input polarity does change.
Figure 12a. LT1715-Based Sine Wave to Square Wave Converter
Figure 12b. Time Delay vs Sine Wave Input Amplitude
–
+
1/2 LT1715
50Ω
1715 F12a
SINE WAVE
INPUT
SQUARE WAVE
OUTPUT
5V
–5V
3V
INPUT AMPLITUDE (dBm)
–5
0
TIME
DELAY
(ns)
1
2
3
4
5
0
510
15
1715 F12b
20
25
632mVP-P
2VP-P
6.32VP-P
25°C
VCC = 5V
VEE = –5V
+VS = 3V
10MHz
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1715HMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:4ns, 150MHz Dual Comparator with Independent Input/Output Supplies |
| LT1715IMS | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP 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 |
| LT1715IMS#PBF | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP RoHS:是 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 |
| LT1715IMS#PBF | 制造商:Linear Technology 功能描述:COMPARATOR DUAL 4NS MSOP-10 制造商:Linear Technology 功能描述:COMPARATOR, DUAL, 4NS, MSOP-10 |
| LT1715IMS#TR | 功能描述:IC COMPARATOR 150MHZ DUAL 10MSOP 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 |
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