PCM3000 datasheet(2/21 Pages) BURR-BROWN

2 / 21 page

PCM3000/3001

SPECIFICATIONS

All specifications at +25

°C, V

DD = VCC = +5V, fS = 44.1kHz, SYSCLK = 384fS, CLKIO Input, 18-bit data, unless otherwise noted.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no

responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice.

No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN

product for use in life support devices and/or systems.

NOTES: (1) Pins 16, 17, 18, 22, 25, 26, 27, 28: LRCIN, BCKIN, DIN, CLKIO, MC/FMT2, MD/FMT1, ML/FMT0, RSTB. (2) Pins 16, 17, 18, 22: LRCIN, BCKIN, DIN,

CLKIO (Schmitt Trigger Input). (3) Pins 25, 26, 27, 28: MC/FMT2, MD/FMT1, ML/FMT0, RSTB (Schmitt Trigger Input, 70k

Ω Internal Pull-Up Resistor). (4) Pin 20:

XTI. (5) Pins 19, 22: DOUT,CLKIO. (6) Pin 21: XTO. (7) Refer to Application Bulletin AB-148 for information relating to operation at lower sampling frequencies.

(8) High Pass Filter disabled (PCM3000 only) to measure DC offset. (9) fIN = 1kHz, using Audio Precision System II, rms mode with 20kHz LPF, 400Hz HPF used

for performance calculation. (10) With no load on XTO and CLKIO.

PCM3000E/3001E

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DIGITAL INPUT/OUTPUT

Input Logic

Input Logic Level: VIH(1)

2.0

VDC

VIL(1)

0.8

VDC

Input Logic Current: IIN(2)

±1

µA

Input Logic Current: IIN(3)

–120

µA

Input Logic Level: VIH(4)

0.64 • VDD

VDC

VIL(4)

0.28 • VDD

VDC

Input Logic Current: IIN(4)

±40

µA

Output Logic

Output Logic Level: VOH(5)

IOUT = –1.6mA

4.5

VDC

VOL(5)

IOUT = +3.2mA

0.5

VDC

Output Logic Level: VOH(6)

IOUT = –3.2mA

4.5

VDC

VOL(6)

IOUT = +3.2mA

0.5

VDC

CLOCK FREQUENCY

Sampling Frequency (fS)

32(7)

44.1

kHz

System Clock Frequency

256fS

8.1920

11.2896

12.2880

MHz

384fS

12.2880

16.9344

18.4320

MHz

512fS

16.3840

22.5792

24.5760

MHz

ADC CHARACTERISTICS

RESOLUTION

Bits

DC ACCURACY

Gain Mismatch Channel-to-Channel

±1.0

±5.0

% of FSR

Gain Error

±2.0

±5.0

% of FSR

Gain Drift

±20

ppm of FSR/

°C

Bipolar Zero Error

High-Pass Filter Off(8)

±1.7

%of FSR

Bipolar Zero Drift

High-Pass Filter Off(8)

±20

ppm of FSR/

°C

DYNAMIC PERFORMANCE(9)

THD+N: VIN = –0.5dB

f = 1kHz

–88

–80

VIN = –60dB

f = 1kHz

–31

Dynamic Range

f = 1kHz, A-Weighted

Signal-to-Noise Ratio

f = 1kHz, A-Weighted

Channel Separation

DIGITAL FILTER PERFORMANCE

Passband

0.454fS

Stopband

0.583fS

Passband Ripple

±0.05

Stopband Attenuation

–65

Delay Time (Latency)

17.4/fS

sec

DIGITAL HIGH PASS FILTER RESPONSE

–3dB Frequency

0.019fS

mHz

ANALOG INPUT

Voltage Range

0dB (Full Scale)

2.9

Vp-p

Center Voltage

2.1

Input Impedance

Ω

ANTI-ALIASING FILTER

–3dB Frequency

CEXT = 470pF

170

kHz

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