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CS5126-KP

16-Bit, Stereo A/D Converter for Digital Audio

Cirrus Logic 

CS5126

supplies must always remain above the mini-

mum specification.

As with any high-precision A/D converter, the

CS5126 requires careful attention to grounding

and layout arrangements. However, no unique

layout issues must be addressed to properly ap-

ply the CS5126. The CDB5126 evaluation board

is available for the CS5126, which avoids the

need to design, build, and debug a high-preci-

sion PC board to initially characterize the part.

The board comes with a socketed CS5126, and

Schematic & Layout Review Service

Confirm Optimum

Schematic & Layout

Before Building Your Board.

For Our Free Review Service

Call Applications Engineering.

Call: (512) 445-7222

can be quickly reconfigured to simulate any

combination of sampling and master clock con-

ditions.

Power Supply Rejection

The CS5126 features a fully differential compa-

rator design, resulting in superior power supply

rejection. Rejection is further enhanced by the

on-chip self-calibration and "auto-zero" process.

Figure 14 shows worst-case rejection for all

combinations of conversion rates and input con-

90

80

70

60

50

40

30

20

1 kHz

10 kHz

100 kHz

1 MHz

Power Supply Ripple Frequency

Figure 14. Power Supply Rejection

ditions.

DS32F1

15

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