Ta (°C)

0

25

50

75

100

125

-40

0

25

85

92.7

98.5

91.1

100.5

ac_D

Ta (°C)

0

20

40

60

80

-40

0

25

85

59.2

61.9

66.3

56.4

ac_D

9

CDCS504-Q1

www.ti.com

SCAS951 – APRIL 2017

Product Folder Links: CDCS504-Q1

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Copyright © 2017, Texas Instruments Incorporated

Typical Application (continued)

In most cases, these actions are available:

•

Run electrical simulations to see important waveforms and circuit performance

•

Run thermal simulations to understand board thermal performance

•

Export customized schematic and layout into popular CAD formats

•

Print PDF reports for the design, and share the design with colleagues

Get more information about WEBENCH tools at www.ti.com/WEBENCH.

9.2.3 Application Curves

X1 mode, 8-MHz input, 8-MHz output, VDD = 3.3 V

Figure 7. Typical Cycle-to-Cycle Jitter vs Temperature

X4 mode, 27.5-MHz input, 110-MHz output, VDD = 3.3 V

Figure 8. Typical Cycle-to-Cycle Jitter vs Temperature

10 Power Supply Recommendations

The CDCS504-Q1 requires a 3.3-V supply.

11 Layout

11.1 Layout Guidelines

The CDCS504-Q1 only has typical 20-mA supply current, so there is no thermal design challenge. A 0.01-µF

capacitor may be placed close to VDD pin as a bypass capacitor.

11.2 Layout Example

Figure 9. Layout Example