PCM3008

SLAS332 – APRIL 2001

5

www.ti.com

PCM3008T

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL INPUT/OUTPUT

VIH(3)

0.7 VCC

3.6

VIL(3)

Input logic level

0.3VCC

VDC

IIN(3)

Input logic current

±10

µA

VOH(4)

IO = –400 µA

VCC–0.2

VOL(4)

Output logic level

IO = 400 µA

0.2

VDC

CLOCK FREQUENCY

Sampling frequency

8

44.1

48

kHz

256 fs

2.0480

11.2896

12.2880

fs

System clock frequency

384 fs

3.0720

16.9344

18.4320

MHz

System clock frequency

512 fs

4.0960

22.5792

24.5760

MHz

ADC CHARACTERISTICS

Resolution

16

Bits

DC ACCURACY

Gain mismatch channel to channel

±1

±5

Gain error

±2

±10

% of

Bipolar zero error

±0

FSR

DYNAMIC PERFORMANCE(5)

VIN = –0.5 dB

–84

–74

THD+N

VIN = –60 dB

–26

Dynamic range

A-weighted

82

88

dB

S/N ratio

A-weighted

82

88

dB

Channel separation

80

86

ANALOG INPUT

Input voltage

0.6 VCC

Vp–p

Center voltage

0.5 VCC

V

Input impedance

30

k

Ω

–3 dB

150

kHz

Antialiasing filter frequency response

fIN = 20 kHz

–0.08

dB

DIGITAL FILTER PERFORMANCE

Passband

0.454 fs

Stopband

0.583 fs

Hz

Passband ripple

±0.05

Stopband attenuation

–65

dB

Delay time

17.4 fs

s

HPF frequency response

–3 dB

0.078 fs

mHz

DAC CHARACTERISTICS

Resolution

16

Bits

NOTES:

3. Pins 6, 7, 9, 10–14: DEM0, DEMI, DIN, LRCK, SYSCK, BCK, PDAD, PDDA, (Schmitt trigger input, 3.3 V tolerant.

4. Pin 8: DOUT

5. fIN = 1 kHz, using audio precision system II, RMS mode with 20 kHz LPF, 400 Hz HPF in calculation.