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ELECTRICAL CHARACTERISTICS

PCM2901

PCM2903

SLES034C – MARCH 2002 – REVISED NOVEMBER 2007

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DAC CHARACTERISTICS

Resolution

8, 16

bits

Audio data channel

1, 2

channel

Clock Frequency

fS

Sampling frequencies

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(1)

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

Vp-p

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

Digital Filter Performance

Pass band

0.445 fS

Hz

Stop band

0.555 fS

Hz

Pass-band ripple

±0.1

dB

Stop-band attenuation

–43

dB

td

Delay time

14.3/fS

s

POWER SUPPLY REQUIREMENTS

Voltage range (VDD, VCCC, VCCP1, VCCP2, VCCX)

3

3.3

3.6

VDC

ADC, DAC operation

54

70

mA

Supply current

Suspend mode(2)

210

µA

ADC, DAC operation

178

252

PD

Power dissipation

mW

Suspend mode(2)

0.69

TEMPERATURE RANGE

Operaton temperature

–25

85

°C

θ

JA

Thermal resistance

100

°C/W

(1)

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.

(2)

Under USB suspend state

Copyright © 2002–2007, Texas Instruments Incorporated

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Product Folder Link(s): PCM2901 PCM2903