參數(shù)資料
型號(hào)： DS1085L
英文描述： 3.3V EconOscillator Frequency Synthesizer
中文描述： 3.3V EconOscillator頻率合成器
文件頁(yè)數(shù)： 7/14頁(yè)
文件大小： 622K
代理商： DS1085L
D
DS1086 Spread-Spectrum EconOscillator
_____________________________________________________________________
7
Pin Description
PIN
1
2
3
4
NAME
OUT
SPRD
V
CC
GND
FUNCTION
Oscillator Output
Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.
Power Supply
Ground
5
OE
Output Enable. When the pin is high, the output buffer is enabled. When the pin is low, the output is
disabled but the master oscillator is still on.
6
PDN
Power-Down. When the pin is high, the master oscillator is enabled. When the pin is low, the master
oscillator is disabled (power-down mode).
7
SDA
2-Wire Serial Data. This pin is for serial data transfer to and from the device. The pin is open drain
and can be wire-OR’ed with other open-drain or open-collector interfaces.
8
SCL
2-Wire Serial Clock. This pin is used to clock data into the device on rising edges and clock data out
on falling edges.
DS1086
DITHERED 260kHz TO
133MHz OUTPUT
DECOUPLING CAPACITORS
(0.1
μ
F and 0.01
μ
F)
SPRD
OUT
V
CC
GND
V
CC
V
CC
4.7k
4.7k
V
CC
2-WIRE
INTERFACE
SCL
SDA
PDN
OE
Processor-Controlled Mode
DS1086
XTL1/OSC1
MICRO-
PROCESSOR
XTL2/OSC2
DITHERED 260kHz TO
133MHz OUTPUT
DECOUPLING CAPACITORS
(0.1
μ
F and 0.01
μ
F)
*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1086 NEVER NEEDS
TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.
SPRD
OUT
V
CC
GND
V
CC
V
CC
N.C.
SCL*
SDA*
PDN
OE
Stand-Alone Mode
CLOCK SPECTRUM COMPARISON
(9kHz BW, PEAK DETECT)
D
FREQUENCY (MHz)
R
94
91
93
92
-35
-30
-25
-20
-15
-10
-5
0
-40
90
95
DS1086 NO DITHER
DS1086 4% DITHER
CRYSTAL OSC
Figure 1. Clock Spectrum Dither Comparison
MAXIMUM TEMPERATURE VARIATION
vs. MASTER FREQUENCY
FREQUENCY (MHz)
F
°
C
82.75
116.25
99.50
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
66.00
133.00
D
Figure 2. Temperature Variation Over Frequency
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DS1085LZ-12 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer 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:
DS1085LZ-12+ 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer 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:
DS1085LZ-12B2 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:
DS1085LZ-12B2+ 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer 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:
DS1085LZ-25 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer 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:
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