Not Recommended for New Designs

PCM2903B

www.ti.com

SLES228 – DECEMBER 2008

ELECTRICAL CHARACTERISTICS (continued)

All specifications at TA = +25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless

otherwise noted.

PCM2903B

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DAC CHARACTERISTICS

Resolution

8, 16

Bits

Audio data channel

1, 2

Channel

DAC Clock Frequency

fS

Sampling frequencies

32, 44.1, 48

kHz

DAC DC Accuracy

% of

Gain mismatch channel-to-channel

±1

±5

FSR

% of

Gain error

±2

±10

FSR

% of

Bipolar zero error

±2

FSR

DAC Dynamic Performance(2)

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

Analog Output

VO

Output voltage

0.6 VCCC

VPP

Center voltage

0.5 VCCC

V

Load impedance

AC coupling

10

k

Ω

–3 dB

250

kHz

LPF frequency response

f = 20 kHz

–0.03

dB

DAC Digital Filter Performance

Passband

0.445 fS

Hz

Stop band

0.555 fS

Hz

Passband ripple

±0.1

dB

Stop-band attenuation

–43

dB

td

Delay time

14.3/fS

s

POWER-SUPPLY REQUIREMENTS

VDD,

VCCC,

VCCP1,

Voltage range

3

3.3

3.6

VDC

VCCP2,

VCCX

ADC, DAC operation

54

70

mA

Supply current

Suspend mode(3)

250

μA

ADC, DAC operation

178

252

mW

PD

Power dissipation

Suspend mode(3)

0.83

mW

TEMPERATURE RANGE

Operating temperature range

–25

+85

°C

θJA

Thermal resistance

100

°C/W

(2)

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

(3)

Under USB suspend state.

Copyright © 2008, Texas Instruments Incorporated

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