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参数资料
| 型号： | LTC1799IS5 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | 1kHz to 30MHz Resistor Set SOT-23 Oscillator |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | PLASTIC, MO-193, TSOT-23, 5 PIN |
| 文件页数： | 1/4页 |
| 文件大小： | 120K |
| 代理商： | LTC1799IS5 |
LTC1799
1
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
One External Resistor Sets the Frequency
I
1kHz to 30MHz Frequency Range
I
SOT-23 Miniature Package
I
Frequency Error
≤
1.5% 5kHz to 20MHz
(T
A
= 25
°
C)
I
Frequency Error
≤
2% 5kHz to 20MHz
(T
A
= 0
°
C to 70
°
C)
I
±
40ppm/
°
C Temperature Stability
I
0.05%/V Supply Stability
I
50%
±
1% Duty Cycle 1kHz to 2MHz
I
50%
±
5% Duty Cycle 2MHz to 20MHz
I
1mA Typical Supply Current
I
100
CMOS Output Driver
I
Operates from a Single 2.7V to 5.5V Supply
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
1kHz to 30MHz
Resistor Set SOT-23 Oscillator
January 2001
Final Electrical Specifications
I
Low Cost Precision Oscillator
I
Charge Pump Driver
I
Switching Power Supply Clock Reference
I
Clocking Switched Capacitor Filters
I
Fixed Crystal Oscillator Replacement
I
Ceramic Oscillator Replacement
I
Small Footprint Replacement for Econ Oscillators
APPLICATIOU
The LTC
1799 is a precision oscillator that is easy to use
and occupies very little PC board space. The oscillator
frequency is programmed by a single external resistor
(R
SET
). The LTC1799 has been designed for high accuracy
operation (
≤
1.5% frequency error) without the need for
external trim components.
The LTC1799 operates with a single 2.7V to 5.5V power
supply and provides a rail-to-rail, 50% duty cycle square
wave output. The CMOS output driver ensures fast rise/fall
times and rail-to-rail switching. The frequency-setting
resistor can vary from 3.32k to 1M to select a master
oscillator frequency between 100kHz and 30MHz (5V
supply). The three-state DIV input determines whether the
master clock is divided by 1, 10 or 100 before driving the
output, providing three frequency ranges spanning 1kHz
to 30MHz (5V supply). The LTC1799 features a proprietary
feedback loop that linearizes the relationship between
R
SET
and frequency, eliminating the need for tables to
calculate frequency. The oscillator can be easily pro-
grammed using the simple formula outlined below:
V+
1
2
3
5
5kHz
≤
f
OSC
≤
20MHz
V
+
V
+
GND
5k
≤
R
SET
≤
200k
0.1
μ
F
1799 TA01
4
GND
LTC1799
SET
OUT
DIV
Hi-Z
÷
10
÷
100
÷
10
U
25
20
15
10
5
0
–1.25
–0.75
–0.25 0 0.25
FREQUENCY ERROR (%)
0.75
1.25
1799 TA02
Basic Connection
Typical Distribution of Frequency Error, T
A
= 25
°
C
f
MHz
k
N R
N
Hi Z
-
GND
OSC
SET
=
=
=
=
=
+
10
10
100
10
1
,
,
,
,
DIVPIN
DIVPIN
DIVPIN
V
SOT-23 Actual Size
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1799IS5#PBF | 制造商:Linear Technology 功能描述:1KHZ TO 33MHZ RESISTOR SET SOT-23 OSCILLATOR 制造商:Linear Technology 功能描述:IC, OSCILLATOR; Operating Mode:-; Frequency:33MHz; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Digital IC Case Style:TSOT-23; No. of Pins:5; Clock External Input:No; Operating Temperature Min:-40C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes |
| LTC1799IS5#TR | 功能描述:IC OSC SILICON 33MHZ TSOT23-5 RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器（TCXO） 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装 |
| LTC1799IS5#TRM | 功能描述:IC OSC SILICON 33MHZ TSOT23-5 RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器（TCXO） 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装 |
| LTC1799IS5#TRMPBF | 功能描述:IC OSC SILICON 33MHZ TSOT23-5 RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 标准包装:3,000 系列:- 类型:振荡器 - 晶体 计数:- 频率:- 电源电压:2.3 V ~ 5.5 V 电流 - 电源:1.07mA 工作温度:-30°C ~ 80°C 封装/外壳:SOT-665 包装:带卷 (TR) 供应商设备封装:SS迷你型-5D 安装类型:表面贴装 其它名称:AN8955SSMTXLTR |
| LTC1799IS5#TRPBF | 功能描述:IC OSC SILICON 33MHZ TSOT23-5 RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器（TCXO） 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装 |
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