參數(shù)資料
型號(hào): DS1089LU-450+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 10/12頁(yè)
文件大小: 0K
描述: IC ECONOSCILL 3.3V SS 8-USOP
其它有關(guān)文件: Automotive Product Guide
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
系列: EconOscillator™
類型: 時(shí)鐘發(fā)生器
PLL: 無(wú)
輸入: 時(shí)鐘
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 50MHz
除法器/乘法器: 是/無(wú)
電源電壓: 2.7 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(yīng)商設(shè)備封裝: 8-uMAX
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1436 (CN2011-ZH PDF)
DS1089L
3.3V Center Spread-Spectrum EconOscillator
_____________________________________________________________________
7
Block Diagram
FACTORY-
PROGRAMMED
MASTER
OSCILLATOR
33.3MHz TO
66.6MHz
PRESCALER
DIVIDE BY 1, 2, 4,
8, 16, 32, 64,
128, OR 256
TRIANGLE-
WAVE
GENERATOR
I2C SERIAL
INTERFACE
PRESCALER
ADDR
P0
P1
P2
P3
X
LO/
HIZ
J0
J1
A0
A1
A2
WC
X
OE
J2
J3
VCC
SCL
SDA
DITHER RATE
DITHER %
EEPROM
WRITE EE
COMMAND
OUT
I2C
ADDRESS
BITS
PRESCALER SETTING
EEPROM
WRITE
CONTROL
CONTROL REGISTERS
fMOD
fOSC
fMOSC
fOUT
SYNCED
OUTPUT
BUFFER
OUTPUT CONFIGURATION
OUTPUT CONTROL
OE
PDN
GND
SPRD
S/W GATED OUTPUT
H/W GATED OUTPUT
DS1089L
Detailed Description
Master Oscillator
The internal master oscillator is capable of generating a
square wave with a 33.3MHz to 66.6MHz frequency
range. The master oscillator frequency (fMOSC) is factory
programmed, and is specified in the Ordering Information.
Prescaler
The user can program the prescaler divider to produce
an output frequency (fOUT) as low as 130kHz using bits
P0, P1, P2, and P3 in the PRESCALER register. The
output frequency can be calculated using Equation 1.
Any value programmed greater than 28 will be decod-
ed as 28. See Table 1 for prescaler divider settings.
Equation 1
where x = P3, P2, P1, P0
Output Frequency Hz f
f
OSC
MOSC
x
()
=
2
BITS P3, P2,
P1, P0
2
x =fOUT = fOSC
0000
1
fMOSC
0001
2
fMOSC / 2
0010
4
fMOSC / 4
0011
8
fMOSC / 8
0100
16
fMOSC / 16
0101
32
fMOSC / 32
0110
64
fMOSC / 64
0111
128
fMOSC / 128
1000
256
fMOSC / 256
1111
256
fMOSC / 256
Table 1. Prescaler Divider Settings
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DS1089LU-450+ 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr 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(fù)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:
DS1089LU-4CL 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr 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(fù)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:
DS1089LU-4CL+ 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr 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(fù)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:
DS1089LU-4CL+T 功能描述:可編程振蕩器 3.3V Center Spread Spctrm EconOscillatr 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(fù)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:
DS1089LU-866 功能描述:可編程振蕩器 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(fù)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: