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ELECTRICAL CHARACTERISTICS (Continued)

PCM2904

PCM2906

SLES042C – JUNE 2002 – REVISED NOVEMBER 2007

All specifications at TA = 25°C, VBUS, = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data (unless otherwise noted)

TEST CONDITIONS

PCM2904DB, PCM2906DB

PARAMETER

UNIT

MIN

TYP

MAX

DYNAMIC PERFORMANCE(1)

VIN = –0.5 dB

(2), V

CCCI = 3.67 V

0.01%

0.02%

THD+N

Total harmonic distortion plus noise

VIN = –0.5 dB

(3)

0.1%

VIN = –60 dB

5%

Dynamic range

A-weighted

81

89

dB

S/N ratio

A-weighted

81

89

dB

Channel separation

80

85

dB

ANALOG INPUT

Input voltage

0.6 VCCCI

Vp-p

Center voltage

0.5 VCCCI

V

Input impedance

30

k

Ω

–3 dB

150

kHz

Antialiasing filter frequency response

fIN = 20 kHz

–0.08

dB

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fs

Hz

Stop band

0.583 fs

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

–65

dB

td

Delay time

17.4/fs

s

LCF frequency response

–3 dB

0.078 fs

MHz

DAC CHARACTERISTICS

Resolution

8, 16

bits

Audio data channel

1, 2

channel

CLOCK FREQUENCY

fs

Sampling frequency

32, 44.1, 48

kHz

DC ACCURACY

Gain mismatch, channel-to-channel

±1

±5

% of FSR

Gain error

±2

±10

% of FSR

Bipolar zero error

±2

% of FSR

DYNAMIC PERFORMANCE(4)

VOUT = 0 dB

0.005%

0.016%

THD+N

Total harmonic distortion plus noise

VOUT = –60 dB

3%

Dynamic range

EIAJ, A-weighted

87

93

dB

SNR

Signal-to-noise ratio

EIAJ, A-weighted

90

96

dB

Channel separation

86

92

dB

(1)

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

calculation.

(2)

Using external voltage regulator for VCCCI (as shown in Figure 36 and Figure 37, using REG103xA-A)

(3)

Using internal voltage regulator for VCCCI (as shown in Figure 38 and Figure 39)

(4)

fOUT = 1 kHz, using the System Two audio measurement system by Audio Precision in RMS mode with 20-kHz LPF, 400-Hz HPF.

4

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Product Folder Link(s): PCM2904 PCM2906