PCM3793RHB datasheet(3/68 Pages) TI1

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ELECTRICAL CHARACTERISTICS

PCM3793

PCM3794

SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007

All specifications at T

A = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS, and 16-bit data (unless

otherwise noted).

PCM3793RHB, PCM3794RHB

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

Audio Data Characteristics

DATA FORMAT

Resolution

Bits

Audio data interface format

I2S, left-, right-justified, DSP

Audio data bit length

Bits

Audio data format

MSB first, 2s complement

Sampling frequency (fS)

kHz

VDD < 2 V

System clock

MHz

VDD > 2 V

Digital Input/Output

Logic family

CMOS compatible

VIH

0.7 VIO

VDC

Input logic level

VIL

0.3 VIO

VDC

IIH

VIN = 3.3 V

Input logic current

µA

IIL

VIN = 0 V

–10

VOH

IOH = –2 mA

0.75 VIO

VDC

Output logic level

VOL

IOL = 2 mA

0.25 VIO

VDC

Digital Input to Line Output Through DAC (LOL, LOR, and MONO)

RL = 10 kΩ, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = disabled

DYNAMIC PERFORMANCE

0 dB

2.828

Vp-p

Full-scale output voltage

Vrms

Dynamic range

EIAJ, A-weighted

SNR

Signal-to-noise ratio

EIAJ, A-weighted

Channel separation

THD+N

Total harmonic distortion + noise

0 dB

0.008%

Load resistance

Ω

Line Input to Line Output Through Mixing Path (LOL, LOR, and MONO)

RL = 10 kΩ, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = enabled

DYNAMIC PERFORMANCE

2.828

Vp-p

Full-scale input and output

0 dB

voltage

Vrms

SNR

Signal-to-noise ratio

EIAJ, A-weighted

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PCM3793 is Not Recommended for New Designs

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