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参数资料
| 型号： | MAX9485ETP+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 73.728 MHz, OTHER CLOCK GENERATOR, QCC20 |
| 封装： | 4 X 4 MM, 0.80 MM PITCH, MO-220WGGD-1, TQFN-20 |
| 文件页数： | 5/16页 |
| 文件大小： | 258K |
| 代理商： | MAX9485ETP+ |
Output CLK Frequency Setting
with Low Jitter
A specific frequency could be achieved through multi-
ple settings (Table 1) such as different sampling rate
and multiplication factors (256, 384, and 768). However,
due to the difference of internal structure, the CLK out-
puts jitter may be different for each setting. Table 15 lists
CLK output frequencies and jitter for the various set-
tings. For best performance, the user should choose the
setting that gives the lowest jitter at a specific frequency.
Power-Supply Bypassing and
Ground Management
The MAX9485’s high oscillator frequency makes proper
layout important to ensure stability. For best performance,
place components as close as possible to the device.
Digital or AC transient signals on GND can create noise
at the clock output. Return GND to the highest-quality
ground available. Bypass VDD and VDD_P with 0.1F
and 0.001F capacitors, placed as close to the device
as possible. Careful PC board ground layout minimizes
crosstalk between the outputs and digital inputs.
MAX9485
Programmable Audio Clock Generator
______________________________________________________________________________________
13
Table 15. Jitter Measurements of Output
CLKs
FOUT (MHz)
SCALING
FACTOR
fS (kHz)
TRJ(RMS) (ps)
73.728
768
96
21
67.7376
768
88.2
23.2
49.152
768
64
42.6
36.864
768
48
40
36.864
384
96
37
33.8688
768
44.1
44
33.8688
384
88.2
41.3
24.5760
768
32
66
24.5760
384
64
92
24.5760
256
96
50
22.5792
256
88.2
55.1
18.4320
384
48
59
16.9344
384
44.1
69
16.3840
256
64
134
12.2880
256
48
84.8
12.2880
384
32
170
11.2896
256
44.1
100
9.126
768
12
106
8.1920
256
32
250
4.608
384
12
198
3.072
256
12
324
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9485ETP+ | 功能描述:时钟发生器及支持产品 Programmable Audio Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9485ETP+T | 功能描述:时钟发生器及支持产品 Programmable Audio Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9485ETP-T | 功能描述:时钟发生器及支持产品 Programmable Audio Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9485EUP | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9485EUP+ | 功能描述:时钟发生器及支持产品 Programmable Audio Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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