PCM3793RHB datasheet(4/68 Pages) TI1

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PCM3793

PCM3794

SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007

ELECTRICAL CHARACTERISTICS (continued)

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

Digital Input to Headphone Output Through DAC (HPOL and HPOR)

RL = 16 Ω or 32 Ω, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = disabled, not capless mode

DYNAMIC PERFORMANCE

2.828

Vp-p

Full-scale output voltage

0 dB

Vrms

SNR

Signal-to-noise ratio

EIAJ, A-weighted

30 mW, RL = 32 Ω, volume = 0 dB

0.1%

THD+N

Total harmonic distortion + noise

40 mW, RL = 16 Ω, volume = –1 dB

0.03%

Load resistance

Ω

200 Hz, 140 mVp-p

–40

PSRR

Power-supply rejection ratio

1 kHz, 140 mVp-p

–45

20 kHz, 140 mVp-p

–32

Line Input to Headphone Output Through Mixing Path (HPOL and HPOR)

RL = 16 Ω or 32 Ω, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = enabled, not capless mode

DYNAMIC PERFORMANCE

2.828

Vp-p

Full-scale output voltage

0 dB

Vrms

SNR

Signal-to-noise ratio

EIAJ, A-weighted

Load resistance

Ω

Digital Input to Speaker Output Through DAC (SPOLP, SPOLN, SPORP, and SPORN): PCM3793

RL = 8 Ω, ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = disabled

DYNAMIC PERFORMANCE

2.52

Vp-p

Full-scale output voltage

0 dB

0.9

Vrms

SNR

Signal-to-noise ratio

EIAJ, A-weighted

THD+N

Total harmonic distortion + noise

400 mW, RL = 8Ω, volume = 0 dB

0.3%

Load resistance

Ω

200 Hz, 140 mVp-p

–50

PSRR

Power-supply rejection ratio

1 kHz, 140 mVp-p

–45

20 kHz, 140 mVp-p

–25

Line Input to Speaker Output Through Mixing Path (SPOLP, SPOLN, SPORP, and SPORN): PCM3793

RL = 8Ω, ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = enabled

DYNAMIC PERFORMANCE

2.52

Vp-p

Full-scale output voltage

0 dB

0.9

Vrms

SNR

Signal-to-noise ratio

EIAJ, A-Weighted

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PCM3793 is Not Recommended for New Designs

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