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PCM3000

PCM3001

SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004

ELECTRICAL CHARACTERISTICS (continued)

All specifications at T

A = 25°C, VDD = VCC = 5 V, fS = 44.1 kHz, SYSCLK = 384 fS, CLKIO input, and 18-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Dynamic Performance(9)

f = 1 kHz, VIN = –0.5 dB

–88

–80

THD+N

dB

f = 1 kHz, VIN = –60 dB

–31

Dynamic range

f = 1 kHz, A-weighted

90

94

dB

Signal-to-noise ratio

f = 1 kHz, A-weighted

90

94

dB

Channel separation

88

92

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

Delay time (latency)

17.4/fS

s

Digital High-Pass Filter Response

Cutoff frequency

–3 dB

0.019 fS

mHz

ANALOG INPUT

Voltage range

0 dB (full scale)

2.9

Vp-p

Center voltage

2.1

VDC

Input impedance

15

k

Ω

Antialiasing Filter

Cutoff frequency

–3 dB, CEXT = 470 pF

170

kHz

DAC CHARACTERISTICS

Resolution

18

Bits

DC Accuracy

Gain mismatch, channel-to-channel

±1

±5

% of FSR

Gain error

±1

±5

% of FSR

Gain drift

±20

ppm of FSR/

°C

Bipolar zero error

±1

% of FSR

Bipolar zero drift

±20

ppm of FSR/

°C

Dynamic Performance(9)

VOUT = 0 dB (full scale)

–90

–80

THD+N

dB

VOUT = –60 dB

–34

Dynamic range

EIAJ A-weighted

90

97

dB

Signal-to-noise ratio (idle channel)

EIAJ A-weighted

92

98

dB

Channel separation

90

95

dB

Digital Filter Performance

Pass band

0.445 fS

Hz

Stop band

0.555 fS

Hz

Pass-band ripple

±0.17

dB

Stop-band attenuation

–35

dB

Delay time

11.1/fS

s

(9)

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

used for performance calculation or measurement.

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