PCM2900

PCM2902

SLES035B − MARCH 2002 − REVISED JUNE 2004

www.ti.com

4

ELECTRICAL CHARACTERISTICS

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

PARAMETER

TEST CONDITIONS

PCM2900E, PCM2902E

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Clock Frequency

fS

Sampling frequency

8, 11.025, 16, 22.05, 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

±0

% of FSR

Dynamic Performance(1)

VCCCI = 3.67 V, VIN = –0.5 dB(2)

0.01%

0.02%

THD+N

Total harmonic distortion plus noise

VIN = –0.5 dB(3)

0.1%

THD+N

Total harmonic distortion plus noise

VIN = –60 dB

5%

Dynamic range

A-weighted

81

89

dB

SNR

Signal-to-noise 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

Antialiasing filter frequency response

–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

(1) fIN = 1 kHz, using Audio Precision System II, 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 with REG103xA-A)

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