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參數(shù)資料
| 型號(hào)： | LTC6900 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Power, 1kHz to 20MHz Resistor Set SOT-23 Oscillator |
| 中文描述： | 低功耗，1kHz到20MHz的電阻設(shè)置的SOT - 23振蕩器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 187K |
| 代理商： | LTC6900 |
LTC6900
1
6900f
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
I
One External Resistor Sets the Frequency
I
1kHz to 20MHz Frequency Range
I
500
μ
A Typical Supply Current, V
S
= 3V, 3MHz
I
Frequency Error
≤
1.5% Max, 5kHz to 10MHz
(T
A
= 25
°
C)
I
Frequency Error
≤
2% Max, 5kHz to 10MHz
(T
A
= 0
°
C to 70
°
C)
I
±
40ppm/
°
C Temperature Stability
I
0.04%/V Supply Stability
I
50%
±
1% Duty Cycle 1kHz to 2MHz
I
50%
±
5% Duty Cycle 2MHz to 10MHz
I
Fast Start-Up Time: 50
μ
s to 1.5ms
I
100
CMOS Output Driver
I
Operates from a Single 2.7V to 5.5V Supply
I
Low Profile (1mm) ThinSOT
TM
Package
APPLICATIOU
Low Power, 1kHz to 20MHz
Resistor Set SOT-23 Oscillator
DESCRIPTIO
U
I
Portable and Battery-Powered Equipment
I
PDAs
I
Cell Phones
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
The LTC
6900 is a precision, low power 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 LTC6900 has been designed for high
accuracy operation (
≤
1.5% frequency error) without the
need for external trim components.
The LTC6900 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 10k
to 2M
to select a master
oscillator frequency between 100kHz and 20MHz (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 20MHz (5V supply). The LTC6900 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:
f
MHz
k
N R
N
Open
GND
OSC
SET
=
=
=
=
=
+
10
20
100
10
1
,
,
,
,
DIVPin
DIVPin
DIVPin
V
Clock Generator
V
+
1
2
3
5
1kHz
≤
f
OSC
≤
20MHz
5V
5V, N = 100
10k
≤
R
SET
≤
2M
0.1
μ
F
6900 TA01
4
GND
LTC6900
SET
OUT
DIV
OPEN, N = 10
N = 1
f
OSC
= 10MHz
20k
N R
SET
(
)
R
SET
vs Desired Output Frequency
10000
FEATURES
TYPICAL APPLICATIO
U
DESIRED OUTPUT FREQUENCY (Hz)
10
R
S
)
100
1k
100k
1M
10M
6900 F02
1
10k
1000
100M
÷
100
÷
10
÷
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC6900CS5 | Low Power, 1kHz to 20MHz Resistor Set SOT-23 Oscillator |
| LTC6900IS5 | Low Power, 1kHz to 20MHz Resistor Set SOT-23 Oscillator |
| LTC6915 | Precision Instrumentation Amplifier |
| LTC6915CDE | Precision Instrumentation Amplifier |
| LTC6915CGN | Precision Instrumentation Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC6900CS5 | 制造商:Linear Technology 功能描述:LOW POWER, 1KHZ TO 20MHZ RESISTOR SET SOT-23 OSCILLATOR |
| LTC6900CS5#PBF | 制造商:Linear Technology 功能描述:IC, PRECISION OSC, 20MHZ, 5.5V, TSOT235; Operating Mode:-; Frequency:20MHz; 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 ;RoHS Compliant: Yes |
| LTC6900CS5#TR | 功能描述:IC OSC SILICON 20MHZ TSOT23-5 RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 可編程計(jì)時(shí)器和振蕩器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:45 系列:- 類型:溫度 - 補(bǔ)償晶體振蕩器（TCXO） 計(jì)數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6900CS5#TRM | 功能描述:IC OSC SILICON 20MHZ TSOT23-5 RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 可編程計(jì)時(shí)器和振蕩器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:45 系列:- 類型:溫度 - 補(bǔ)償晶體振蕩器（TCXO） 計(jì)數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6900CS5#TRMPBF | 功能描述:IC OSC SILICON 20MHZ TSOT23-5 RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 可編程計(jì)時(shí)器和振蕩器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類型:振蕩器 - 晶體 計(jì)數(shù):- 頻率:- 電源電壓:2.3 V ~ 5.5 V 電流 - 電源:1.07mA 工作溫度:-30°C ~ 80°C 封裝/外殼:SOT-665 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:SS迷你型-5D 安裝類型:表面貼裝 其它名稱:AN8955SSMTXLTR |
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