PCM3793A
PCM3794A
www.ti.com
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TA = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS, and 16-bit data (unless
otherwise noted).
PCM3793ARHB, PCM3794ARHB
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
Vrms
dB
Full-scale output voltage
Signal-to-noise ratio
0 dB
1
93
SNR
EIAJ, A-weighted
84
16
30 mW, RL = 32 Ω, volume = 0 dB
40 mW, RL = 16 Ω, volume = –1 dB
0.1%
0.03%
THD+N Total harmonic distortion + noise
Load resistance
Ω
200 Hz, 140 mVp-p
1 kHz, 140 mVp-p
20 kHz, 140 mVp-p
–40
–45
–32
PSRR
Power-supply rejection ratio
dB
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
Vrms
dB
Full-scale output voltage
0 dB
1
SNR
Signal-to-noise ratio
Load resistance
EIAJ, A-weighted
84
16
93
Ω
Digital Input to Speaker Output Through DAC (SPOLP, SPOLN, SPORP, and SPORN): PCM3793A
RL = 8 Ω, ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = disabled
DYNAMIC PERFORMANCE
2.52
0.9
Vp-p
Vrms
dB
Full-scale output voltage
Signal-to-noise ratio
0 dB
SNR
EIAJ, A-weighted
84
8
93
THD+N Total harmonic distortion + noise 400 mW, RL = 8Ω, volume = 0 dB
0.3%
Load resistance
Ω
200 Hz, 140 mVp-p
–50
–45
–25
PSRR
Power-supply rejection ratio
1 kHz, 140 mVp-p
20 kHz, 140 mVp-p
dB
Line Input to Speaker Output Through Mixing Path (SPOLP, SPOLN, SPORP, and SPORN): PCM3793A
RL = 8Ω, ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = enabled
DYNAMIC PERFORMANCE
2.52
0.9
93
Vp-p
Vrms
dB
Full-scale output voltage
Signal-to-noise ratio
0 dB
SNR
EIAJ, A-Weighted
84
4
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