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參數(shù)資料
| 型號： | DS1085Z-50+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ECONOSCILLATOR SYNTH 8-SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 系列： | EconOscillator™ |
| 類型： | 頻率合成器 |
| PLL： | 無 |
| 輸入： | 時鐘 |
| 輸出： | 時鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 133MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
DS1085
2 of 21
External control inputs, CTRL1 and CTRL0, enable or disable the two oscillator outputs. Both outputs
feature a synchronous enable that ensures no output glitches when the output is enabled and a constant
time interval (for a given frequency setting) from an enable signal to the first output transition. These
inputs also can be configured to disable the master oscillator, putting the device into a low-power mode
for power-sensitive applications.
Figure 1. DS1085 BLOCK DIAGRAM
OVERVIEW
A block diagram of the DS1085 is shown in Figure 1. The DS1085 consists of five major components:
§ Master oscillator control DAC
§ Internal master oscillator (66MHz to 133MHz)
§ Prescalers (divide-by-1, 2, 4, or 8)
§ Programmable divider (divide-by-1 to 1025)
§ Control registers
The internal master oscillator provides the reference clock (MCLK), which is fed to the prescalers and
programmable dividers. The frequency of the oscillator can be user-programmed over a two-to-one range
in increments equal to the step size, by means of a 10-bit control DAC. The master oscillator range is
66MHz to 133MHz, which is larger than the range possible with the 10-bit DAC resolution and available
step sizes. Therefore, an additional register (OFFSET) is provided that can be used to select the range of
frequency over which the DAC is used (see Table 1).
0M0
0M1
1M0
1M1
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| DS1085Z-50+ | 功能描述:可編程振蕩器 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: |
| DS1086 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:DS1086 Spread-Spectrum EconOscillator |
| DS1086_1203 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Spread-Spectrum EconOscillator |
| DS1086HU-C01 | 制造商:Maxim Integrated Products 功能描述:TRW 5V OSC 360 KHZ 8% CTR 8192 8U - Rail/Tube |
| DS1086HU-C01/T | 制造商:Maxim Integrated Products 功能描述:TRW 5V OSC 360 K 8% CTR 8192 8U TRL - Tape and Reel |
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