PCM1803DBR datasheet(9/20 Pages) TI

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−100

−99

−98

−97

−96

−95

−94

−93

−92

−91

−90

fSAMPLE Condition − kHz

44.1

96(2)

48(1)

(1)fS = 48 kHz, System Clock = 256 fS,

Oversampling Ratio =

×128.

(2)fS = 96 kHz, System Clock = 256 fS,

Oversampling Ratio =

×64.

G011

100

101

102

103

104

105

106

107

108

109

110

44.1

96(2)

48(1)

SNR

Dynamic Range

fSAMPLE Condition − kHz

(1)fS = 48 kHz, System Clock = 256 fS,

Oversampling Ratio =

×128.

(2)fS = 96 kHz, System Clock = 256 fS,

Oversampling Ratio =

×64.

G012

OUTPUT SPECTRUM

G013

f − Frequency − kHz

−140

−120

−100

−80

−60

−40

−20

Input Level = −0.5 dB

Data Points = 8192

G014

f − Frequency − kHz

−140

−120

−100

−80

−60

−40

−20

Input Level = −60 dB

Data Points = 8192

PCM1803

SLES125 – NOVEMBER 2004

TYPICAL PERFORMANCE CURVES (continued)

All specifications at T

A = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 44.1 kHz, system clock = 384 fS,

oversampling ratio =

×128, 24-bit data, unless otherwise noted

TOTAL HARMONIC DISTORTION + NOISE

DYNAMIC RANGE and SIGNAL-TO-NOISE RATIO

fSAMPLE CONDITION

Figure 11.

Figure 12.

OUTPUT SPECTRUM

Figure 13.

Figure 14.

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