PCM1794 datasheet(12/27 Pages) TI

Part #	PCM1794

Description	24BIT 192KHZ SAMPLING , ADVANCED SEGMENT, AUDIO STEREO DIGITAL TO ANALOG CONVERTER

PDF	27 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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12 / 27 page

PCM1794

SLES080B – MAY 2003 – REVISED NOVEMBER 2003

www.ti.com

NOTE: fS = 48 kHz, 32768 point 8 average, TA = 25°C, VDD = 3.3 V,

VCC = 5 V, measurement circuit is Figure 25.

Figure 15. –60-db Output Spectrum, BW = 20 kHz

f – Frequency – kHz

−180

−160

−140

−120

−100

−80

−60

−40

−20

1012

141618

AMPLITUDE

FREQUENCY

NOTE: fS = 48 kHz, 32768 point 8 average, TA = 25°C, VDD = 3.3 V,

VCC = 5 V, measurement circuit is Figure 25.

Figure 16. –60-db Output Spectrum, BW = 100 kHz

f – Frequency – kHz

−160

−140

−120

−100

−80

−60

−40

−20

102030

405060

708090

100

AMPLITUDE

FREQUENCY

NOTE: fS = 48 kHz, TA = 25°C, VDD = 3.3 V, VCC = 5 V,

measurement circuit is Figure 25.

Figure 17. THD+N vs Input Level

−100

−80

−60

−40

−20

Input Level – dBFS

TOTAL HARMONIC DISTORTION + NOISE

INPUT LEVEL

0.1

0.01

0.001

0.0001

PCM1794 Datasheet(PDF) 12 Page - Texas Instruments

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