PCM4204

SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004

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3

ELECTRICAL CHARACTERISTICS

Unless otherwise noted, all characteristics specified with TA = +25°C, VCC = +5V, VDD = +3.3V, system clock (SCKI) is 512fS for Single Rate

Sampling, 256fS for Dual Rate Sampling, or 128fS for Quad Rate Sampling. The device is operated in Master mode for all dynamic performance

measurements.

PCM4204

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RESOLUTION

24

Bits

DATA FORMAT

Audio Data Formats (PCM)

Left and Right Justified, I2S, TDM

Audio Data Word Length (PCM)

24

Bits

Binary Data Format (PCM)

Two’s Complement Binary, MSB First

DSD Output Format and Word Length

1-Bit Data

Bits

DIGITAL INPUT/OUTPUT

Input Logic Level

VIH

0.7 x VDD

VDD

V

VIL

0

0.3 x VDD

V

Output Logic Level

VOH

IOH = −2mA

0.8 x VDD

VDD

V

VOL

IOH = +2mA

0

0.2 x VDD

V

Input Leakage

Current(1)

IIH

VIN = VDD

+1

+10

µA

IIL

VIN = 0V

−1

−10

µA

Input Leakage

Current(2)

IIH

VIN = VDD

+35

+100

µA

IIL

VIN = 0V

−35

−100

µA

CLOCK FREQUENCIES

System Clock Frequency, fSCKI

Single Rate Sampling Mode

6.144

38.4

MHz

Dual Rate Sampling Mode

12.8

38.4

MHz

Quad Rate Sampling Mode

12.8

38.4

MHz

Sampling Frequency, fS

Single Rate Sampling Mode

24

54

kHz

Dual Rate Sampling Mode

54

108

kHz

Quad Rate Sampling Mode

108

216

kHz

ANALOG INPUTS

Full Scale Input Voltage

Differential Input

6.0

VPP

Average Input Impedance

3

k

Ω

Common-mode Rejection

85

dB

DC SPECIFICATIONS

VCOM12, VCOM34 Output Voltage

+2.5

V

VCOM12, VCOM34 Output Current

200

µA

(1) Applies to the FMT0, FMT1, FMT2, S/M, FS0, FS1, FS2, HPFD, BCK, LRCK, SUB, DSDCLK, DSD1, DSD2, DSD3, DSD4, and SCKI pins.

(2) Applies to the TEST and RST pins.

(3) Typical performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement bandwidth

is limited using the Audio Precision 22Hz high-pass filter in combination with either a 20kHz low-pass filter for fS = 48kHz or a 40kHz low-pass

filter for fS = 96kHz and 192kHz. All A-weighted measurements are performed using the A-weighting filter in combination with the band limiting

filters already mentioned. The measurements are made with the RMS detector selected.

(4) A 256fS system clock is used at final production test for fS = 48kHz measurements.

(5) Typical DSD performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement

bandwidth is limited using the Audio Precision 22Hz high-pass filter in combination with a 20kHz low-pass filter. All A-weighted measurements

are performed using the A-weighting filter in combination with the band limiting filter already mentioned. The measurements are made with the

RMS detector selected. The 1-bit DSD data is converted to 24-bit linear PCM data for measurement using a PCM4204 configured for DSD input

mode.