PCM4204

SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004

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4

ELECTRICAL CHARACTERISTICS (continued)

Unless otherwise noted, all characteristics specified with TA = +25°C, VCC = +5V, VDD = +3.3V, system clock (SCKI) is 512fS for Single Rate

Sampling, 256fS for Dual Rate Sampling, or 128fS for Quad Rate Sampling. The device is operated in Master mode for all dynamic performance

measurements.

PCM4204

PARAMETER

UNIT

MAX

TYP

MIN

TEST CONDITIONS

DYNAMIC PERFORMANCE (PCM Output)(3)

fS = 48kHz(4)

THD+N

VIN = −0.5dBFS, fIN = 1kHz

−105

−96

dB

VIN = −60dBFS, fIN = 1kHz

−56

dB

Dynamic Range

VIN = −60dBFS, fIN = 1kHz, A-weighted

112

118

dB

Channel Separation

105

120

dB

fS = 96kHz

THD+N

VIN = −0.5dBFS, fIN = 1kHz, BW = 20Hz to 40kHz

−103

dB

VIN = −60dBFS, fIN = 1kHz, BW = 20Hz to 40kHz

−52

dB

Dynamic Range

VIN = −60dBFS, fIN = 1kHz, A-weighted

118

dB

Channel Separation

120

dB

fS = 192kHz

THD+N

VIN = −0.5dBFS, fIN = 1kHz, BW = 20Hz to 40kHz

−103

dB

Dynamic Range

VIN = 0V, Unweighted, BW = 20Hz to 40kHz

108

dB

VIN = 0V, A-weighted

117

dB

Channel Separation

120

dB

DYNAMIC PERFORMANCE (DSD Output)(5)

64fS Output Rate

DSDBCK = 2.8224MHz, BW = 20Hz to 20kHz

THD+N

VIN = −0.5dBFS, fIN = 1kHz

−103

dB

VIN = −60dBFS, fIN = 1kHz

−52

dB

Dynamic Range

VIN = −60dBFS, fIN = 1kHz, A-weighted

115

dB

128fS Output Rate

DSDBCK = 5.6448MHz, BW = 20Hz to 20kHz

THD+N

VIN = −0.5dBFS, fIN = 1kHz

−105

dB

VIN = −60dBFS, fIN = 1kHz

−56

dB

Dynamic Range

VIN = −60dBFS, fIN = 1kHz, A-weighted

118

dB

DIGITAL DECIMATION FILTER

Single and Dual Rate Sampling Modes

Passband Edge

−0.005dB

0.453fS

Hz

Passband Ripple

±0.005

dB

Stop Band Edge

0.547fS

Hz

Stop Band Attenuation

−100

dB

Group Delay

37/fS

sec

(1) Applies to the FMT0, FMT1, FMT2, S/M, FS0, FS1, FS2, HPFD, BCK, LRCK, SUB, DSDCLK, DSD1, DSD2, DSD3, DSD4, and SCKI pins.

(2) Applies to the TEST and RST pins.

(3) Typical performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement bandwidth

is limited using the Audio Precision 22Hz high-pass filter in combination with either a 20kHz low-pass filter for fS = 48kHz or a 40kHz low-pass

filter for fS = 96kHz and 192kHz. All A-weighted measurements are performed using the A-weighting filter in combination with the band limiting

filters already mentioned. The measurements are made with the RMS detector selected.

(4) A 256fS system clock is used at final production test for fS = 48kHz measurements.

(5) Typical DSD performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement

bandwidth is limited using the Audio Precision 22Hz high-pass filter in combination with a 20kHz low-pass filter. All A-weighted measurements

are performed using the A-weighting filter in combination with the band limiting filter already mentioned. The measurements are made with the

RMS detector selected. The 1-bit DSD data is converted to 24-bit linear PCM data for measurement using a PCM4204 configured for DSD input

mode.