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PCM3052A

SLES160 – NOVEMBER 2005

ELECTRICAL CHARACTERISTICS (continued)

All specifications at T

A = 25°C, VCC1 = VCC2 = VCC3 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 256 fS, 24-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AFE MULTIPLEXER

Input channel

2

CH

Input range for full scale

VINL, VINR

0.1

1

1.5

Vrms

Input Impedance

VINL, VINR

22

143

k

Ω

Antialiasing filter frequency response

–3 dB, PGA gain = 0 dB

300

kHz

Input center voltage (VREF1)

0.5 VCC1

V

AFE PGA

Gain range

–4

0

20

dB

Gain step

1

dB

Monotonicity

Ensured

ADC CHARACTERISTICS

Resolution

24

Bits

Full-scale input voltage

VINL, VINR at PGA gain = 0 dB

0.6 VCC1

Vp-p

DC Accuracy

Gain mismatch, channe-to-channel

Full scale input, VINL, VINR

±1

±2 % of FSR

Gain error

Full scale input, VINL, VINR

±2

±4 % of FSR

Bipolar-zero error

HPF bypass, VINL, VINR

±2

% of FSR

Dynamic Performance (7)

fS = 48 kHz, VIN = –0.5 dB

–94

–88

fS = 96 kHz, VIN = –0.5 dB

–89

THD+N

Total harmonic distortion + noise

dB

fS = 48 kHz, VIN = –60 dB

–38

fS = 96 kHz, VIN = –60 dB

–38

fS = 48 kHz, A-weighted

95

101

Dynamic range

dB

fS = 96 kHz, A-weighted

101

fS = 48 kHz, A-weighted

95

101

S/N

Signal-to-noise ratio

dB

fS = 96 kHz, A-weighted

101

fS = 48 kHz

92

98

Channel separation

dB

(between L-ch and R-ch of line-in)

fS = 96 kHz

99

fS = 48 kHz

92

98

Channel separation

dB

(between microphone and line-in)

fS = 96 kHz

99

Digital Filter Performance

Pass band

±0.05 dB

0.454 fS

Hz

Stop band

0.583 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

0.583 fS

–65

dB

Delay time

17.4/fS

s

HPF frequency response

–3 dB

0.019 fS

MHz

DAC CHARACTERISTICS

Resolution

24

Bits

DC Accuracy

Gain mismatch, channel-to-channel

±1

±2 % of FSR

Gain error

±2

±6 % of FSR

Bipolar zero error

±1

% of FSR

(7)

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

in the calculation, at PGA gain = 0 dB, for VINL and VINR.

4