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PCM1804

SLES022C – DECEMBER 2001 – REVISED OCTOBER 2007

ELECTRICAL CHARACTERISTICS (continued)

All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, single-speed mode, fS = 48 kHz, system clock = 256 fS,

24-bit data, unless otherwise noted.

PCM1804DB

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

DYNAMIC PERFORMANCE (8)

VIN = –0.5 dB

–102

–95

fS = 48 kHz, system clock = 256 fS

VIN = –60 dB

–49

VIN = –0.5 dB

–101

fS = 96 kHz, system clock = 256 fS

Total harmonic distortion

THD+N

VIN = –60 dB

–47

dB

plus noise

VIN = –0.5 dB

–101

fS = 192 kHz, system clock = 128 fS

VIN = –60 dB

–47

VIN = –0.5 dB DSD mode

–100

fS = 48 kHz, system clock = 256 fS

106

112

VIN = –60 dB

fS = 96 kHz, system clock = 256 fS

112

Dynamic range

dB

(A-weighted)

fS = 192 kHz, system clock = 128 fS

112

DSD mode

112

fS = 48 kHz, system clock = 256 fS

105

111

fS = 96 kHz, system clock = 256 fS

111

SNR (A-weighted)

dB

fS = 192 kHz, system clock = 128 fS

111

DSD mode

111

fS = 48 kHz, system clock = 256 fS

97

109

Channel separation

fS = 96 kHz, system clock = 256 fS

107

dB

fS = 192 kHz, system clock = 128 fS

107

ANALOG INPUT

Input voltage

Differential input

±2.5

V

Center voltage

2.5

Vdc

Input impedance

Single-ended

10

k

μ

DIGITAL FILTER PERFORMANCE

Pass-band edge

Single rate, dual rate

0.453 fS

Hz

Stop-band edge

Single rate, dual rate

0.547 fS

Hz

Pass-band ripple

Single rate, dual rate

±0.005

dB

Stop-band attenuation

Single rate, dual rate

–100

dB

Pass-band edge (–0.005

Quad rate

0.375 fS

Hz

dB)

Pass-band edge (–3 dB)

Quad rate

0.49 fS

Hz

Stop-band edge

Quad rate

0.77 fS

Hz

Pass-band ripple

Quad rate

±0.005

dB

Stop-band attenuation

Quad rate

–135

dB

Group delay

Single rate, dual rate

37/fS

s

Group delay

Quad rate

9.5/fS

s

HPF frequency response

–3 dB

fS/48000

Hz

(8)

fIN = 1 kHz, using System Two™ audio measurement system by Audio Precision™ in RMS mode, with 20-kHz LPF and 400-Hz HPF in

calculation for single rate, or with 40-kHz LPF in calculation for dual and quad rates.

Copyright © 2001–2007, Texas Instruments Incorporated

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Product Folder Link(s): PCM1804