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| 型号： | LT1394CS8 |
| 厂商： | Linear Technology |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR LOW PWR 7NS 8-SOIC |
| 标准包装： | 100 |
| 系列： | UltraFast™ |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | CMOS，补充型，TTL |
| 电压 - 输入偏移（最小值）： | 2.5mV @ ±5V |
| 电流 - 输入偏压（最小值）： | 4.5µA @ ±5V |
| 电流 - 输出（标准）： | 20mA |
| 电流 - 静态（最大值）： | 8.5mA |
| CMRR, PSRR（标准）： | 100dB CMRR，100dB PSRR |
| 传输延迟（最大）： | 9ns |
| 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 |
16
LT1394
1394f LT/TP 0499 4K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
TYPICAL APPLICATION
U
Voltage-Controlled Crystal Oscillator (VCXO)
Figure 20, a variant of the basic crystal oscillator, permits
voltage tuning the output frequency. Such voltage-con-
trolled crystal oscillators (VCXO) are often employed
where slight variation of a stable carrier is required. This
example is specifically intended to provide a 4
× NTSC
sub-carrier tunable oscillator suitable for phase locking.
The LT1394 is set up as a crystal oscillator, operating
similarly to Figure 3 (a). The varactor diode is biased from
the tuning input. The tuning network is arranged so a 0V
to 5V drive provides a reasonably symmetric, broad tuning
range around the 14.31818MHz center frequency. The
indicated selected capacitor sets tuning bandwidth. It
should be picked to complement loop response in phase
locking applications. Figure 21 is a plot of tuning input
voltage versus frequency deviation. Tuning deviation from
the 4
× NTSC 14.31818MHz center frequency exceeds
±240ppm for a 0V to 5V input.
PART NUMBER
DESCRIPTION
COMMENTS
LT1016
UltraFast Precision Comparator
Industry Standard 10ns Comparator
LT1116
12ns Single Supply Ground-Sensing Comparator
Single Supply Version of LT1016
LT1671
Fast Single Supply Comparator
60ns, 450
A Single Supply Comparator
LT1720
UltraFast Dual Single Supply Comparator
Dual 4.5ns, 4mA Single Supply Comparator
RELATED PARTS
Figure 21. Control Voltage vs Output Frequency for Figure 15.
Tuning Deviation from Center Frequency Exceeds
±240ppm
INPUT VOLTAGE (V)
0
FREQUENCY
DEVIATION
(kHz)
2
4
5
9
8
7
6
5
4
3
2
1
0
1394 F21
13
14.314.0MHz
14.31818MHz
14.3217MHz
Figure 20. A 4
× NTSC Sub-Carrier Voltage-Tunable Crystal Oscillator. Tuning Range
and Bandwidth Accommodate Variety of Phase Locked Loops
1394 F20
–
+
LT1394
5V
390
200pF
* 1% FILM RESISTOR
** NORTHERN ENGINEERING LABS C-2350N-14.31818MHz
*** C SELECT SETS TUNING BANDWIDTH. SET TO COMPLEMENT
LOOP RESPONSE IN PHASE LOCKING APPLICATIONS
VARACTOR DIODE
5V
FREQUENCY
OUTPUT
3.9k*
VIN
0V TO 5V
1M
MV-209
2k
100pF
15pF
Y1**
100pF
C SELECT***
0.047
F
1M
1M*
1N4148
LT1004-2.5
47k*
1k*
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1394CS8#PBF | 功能描述:IC COMPARATOR LOW PWR 7NS 8-SOIC 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 |
| LT1394CS8#PBF | 制造商:Linear Technology 功能描述:High Speed Comparator IC |
| LT1394CS8#TR | 功能描述:IC COMPARATOR 7NS LOW PWR 8SOIC 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 |
| LT1394CS8#TRPBF | 功能描述:IC COMPARATOR LOW PWR 7NS 8-SOIC 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 |
| LT1394CS8PBF | 制造商:Linear Technology 功能描述:Ground-Sensing Comparator 7ns SOIC8 |
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