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參數(shù)資料
| 型號： | DS1094LU-42M+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ECONOSCILLATOR SS 8-USOP |
| 其它有關文件： | Automotive Product Guide |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 系列： | EconOscillator™ |
| 類型： | 時鐘發(fā)生器 |
| PLL： | 無 |
| 輸入： | 時鐘 |
| 輸出： | 時鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:4 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 2MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
General Description
The DS1094L is a silicon oscillator that generates four
multiphase, spread-spectrum, square-wave outputs.
Frequencies between 2MHz and 31.25kHz can be out-
put in either two, three, or four-phase mode. The inter-
nal master oscillator can be dithered by either 0, 2, 4,
or 8% to reduce the amount of peak spectral energy at
the fundamental and harmonic clock frequencies. This
significantly reduces the amount of electromagnetic
interference (EMI) radiation that is generated at the sys-
tem level. The DS1094L is ideally suited as a clock gen-
erator for switched-mode power supplies. The outputs
generated by the DS1094L are used by DC-DC circuit-
ry to efficiently shift voltages either up or down. The
DS1094L can be programmed using the I2C-compati-
ble, 2-wire serial interface to select the output frequen-
cy, number of clock phases, and dither rate, or
optionally it can be shipped from the factory custom
programmed.
Applications
Switch-Mode Power Supplies
Servers
Printers
Automotive Telematics and Infotainment
Features
EconOscillator with Two, Three, or Four Phase
Outputs
Ideally Suited as the Clock Generator for Switch-
Mode Power Supplies
Output Frequencies Programmable from 2MHz to
31.25kHz
Dithered Output Significantly Reduces EMI
Emissions
No External Timing Components Required
Nonvolatile (NV) Configuration Settings
User-Programmable—Factory Programmed
Options Available
Operating Temperature Range: -40°C to +85°C
DS1094L
Multiphase Spread-Spectrum EconOscillator
______________________________________________ Maxim Integrated Products
1
OUT4
OUT3
GND
1
2
8
7
SCL
SDA
OUT2
VCC
OUT1
SOP
3
4
6
5
DS1094L
Pin Configuration
Ordering Information
VOUT
VIN
PHASE 1
PHASE 2
PHASE 3
DC-DC
STEP-DOWN
CONVERTER
OUT1
OUT2
OUT3
OUT4
GND
SCL
SDA
VCC
DS1094L
RPULLUP
THREE-PHASE
EXAMPLE WITH
DITHERED CLOCKS TO
REDUCE EMI
DC-DC
STEP-DOWN
CONVERTER
DC-DC
STEP-DOWN
CONVERTER
Typical Operating Circuit
Rev 1; 5/04
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
DS1094LU
-40
°C to +85°C
8
SOP
EconOscillator is a trademark of Dallas Semiconductor.
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| DS1099U-01M | 功能描述:可編程振蕩器 Low-Frequency Dual EconOscillator RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1099U-01M/W | 制造商:Maxim Integrated Products 功能描述:W-LOW FREQ DUAL OSC 8P USOP - Rail/Tube |
| DS1099U-AG+ | 功能描述:可編程振蕩器 Low-Frequency Dual EconOscillator RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1099U-AG+T | 功能描述:可編程振蕩器 Low-Frequency Dual EconOscillator RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1099U-BC | 功能描述:可編程振蕩器 Low-Frequency Dual EconOscillator RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
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