PCM5121 datasheet(29/121 Pages) TI2

Part #	PCM5121

Description	PCM512x 2-VRMS DirectPath™, 112-dB and 106-dB Audio Stereo DACs With 32-Bit, 384-kHz PCM Interface

PDF	121 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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29 / 121 page

−0.2

−0.15

−0.1

−0.05

0.05

0.1

0.15

0.2

0.5

Frequency (

× f

G008

−0.4

−0.2

0.2

0.4

0.6

0.8

Samples

G005

−120

−100

−80

−60

−40

−20

G002

Frequency (x fS)

PCM5121, PCM5122

www.ti.com

SLAS763C – AUGUST 2012 – REVISED OCTOBER 2018

Product Folder Links: PCM5121 PCM5122

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Table 16. Asymmetric FIR x4 Interpolation Filter, Dual Rate

PARAMETER

CONDITION

VALUE (TYP)

VALUE (MAX)

UNIT

Filter Gain Pass Band

0 ……. 0.40 × fS

±0.05

Filter Gain Stop Band

0.72 × fS ….. 3.28 × fS

–50

Filter Group Delay

1.2 × ts

SPACE

Figure 40. Asymmetric FIR x4 Interpolation Filter

Frequency Response, Dual Rate

Figure 41. Asymmetric FIR x4 Interpolation Filter Impulse

Response, Dual Rate

Figure 42. Asymmetric x4 Interpolation Filter Passband Ripple, Dual Rate

PCM5121 Datasheet(PDF) 29 Page - Texas Instruments

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