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參數(shù)資料
| 型號： | DS1081LE/T+C01 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/6頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK MOD SS 8-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 擴展頻譜時鐘調(diào)制器 |
| PLL： | 是 |
| 主要目的： | LCD 面板 |
| 輸入： | 時鐘 |
| 輸出： | LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 134MHz |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 90-1081F+C01 |
DS1081L
20MHz to 134MHz Spread-Spectrum
Clock Modulator for LCD Panels
4
_______________________________________________________________________________________
Detailed Description
The DS1081L modulates an input clock to generate a
center-dithered spread-spectrum output. A 20MHz to
134MHz clock is applied to the CLKIN pin. An internal
PLL dithers the output clock about its center frequency
at a user-selectable magnitude.
Spread-Spectrum Dither Magnitude
The DS1081L can generate dither magnitudes up to
±2%. The desired magnitude is selected using input pins
SMSEL1 and SMSEL2 as shown in Table 1.
Spread-Spectrum Dither Rate
The output spread-spectrum dither rate is determined
by the input frequency to maximize EMI reduction and
to ensure that the dither rate is always above the audio
frequency range. The user must configure CRSEL,
based on Table 2, depending on the input frequency
(fIN) so that the appropriate dither rate is programmed.
Pin Description
PIN
NAME
FUNCTION
1
CLKIN
Clock Input. 20MHz to 134MHz clock input (fIN).
Spread-Spectrum Magnitude Select Inputs. These digital inputs select the desired spread-spectrum
magnitude as shown in the table below.
SMSEL2
SMSEL1
MAGNITUDE SELECTED
2
SMSEL1
0
±2.0%
0
1
±1.5%
1
0
±1.0%
3SMSEL2
1
±0.5%
4
GND
Ground
5
SSEN
Spread-Spectrum Enable. Three-level input to enable/disable spread-spectrum and to three-state the
output.
0 = Power-up/spread-spectrum enabled.
Open = SSO three-stated.
1 = Power-up/spread-spectrum disabled (not a bypass mode).
6
SSO
Spread-Spectrum Clock Output. Outputs a center-dithered spread-spectrum version of the clock input at
CLKIN.
Clock Range and Dither Rate Select. Three-level input that determines the dither rate. See the Detailed
Description section for details.
CRSEL
CLKIN RANGE
DITHER RATE
0
66MHz to 134MHz
fIN/2048
Open
33MHz to 80MHz
fIN/1024
7
CRSEL
1
20MHz to 38MHz
fIN/512
8
VCC
Supply Voltage
CRSEL
CLKIN RANGE
DITHER RATE
0
66MHz to 134MHz
fIN/2048
Open
33MHz to 80MHz
fIN/1024
1
20MHz to 38MHz
fIN/512
Table 2. Spread-Spectrum Dither Rate
SMSEL2
SMSEL1
MAGNITUDE
00
±2.0%
01
±1.5%
10
±1.0%
11
±0.5%
Table 1. Spread-Spectrum Dither Magnitude
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1083010 | 制造商:Maxim Integrated Products 功能描述: |
| DS1083BLR+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| DS1083BLR-1+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| DS1083BLR-2+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| DS1083L | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:16MHz to 134MHz Spread-Spectrum Clock Modulator for LCD Panels |
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