PCM2903C

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SBFS038A – JUNE 2012 – REVISED SEPTEMBER 2015

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.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

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 VCCC

VPP

Center voltage

0.5 VCCC

V

Input impedance

30

k

Ω

–3 dB

150

kHz

Antialising filter frequency response

fIN = 20 kHz

–0.08

dB

ADC DIGITAL FILTER PERFORMANCE

Passband

0.454 fS

Hz

Stop band

0.583 fS

Hz

Passband ripple

±0.05

dB

Stop-band attenuation

–65

dB

td

Delay time

17.4/fS

s

HPF frequency response

–3 dB

0.078 fS/1000

Hz

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

(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.

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