Datasheet

TLV320AIC3106
www.ti.com ........................................................................................................................................ SLAS509E – DECEMBER 2006 – REVISED DECEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
At 25 ° C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, f
S
= 48-kHz, 16-bit audio data (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
MICROPHONE BIAS
Programmable setting = 2.0 2.0
Bias voltage Programmable setting = 2.5 2.3 2.5 2.7 V
Programmable setting = DRVDD DRVDD
Current sourcing Programmable setting = 2.5V 4 mA
AUDIO DAC – Differential Line output, load = 10 k Ω
0-dB input full-scale signal, output volume control = 0 dB,
Full-scale output voltage 1.414 V
RMS
output common-mode setting = 1.35 V
Signal-to-noise ratio, No input signal, output volume control = 0 dB, output
SNR 90 102 dB
A-weighted
(3)
common mode setting = 1.35 V, f
S
= 48 kHz
– 60 dB 1-kHz input full-scale signal, output volume control =
Dynamic range, A-weighted 99 dB
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
0-dB 1-kHz input full-scale signal, output volume control = 0
THD Total harmonic distortion – 94 – 75 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
217-Hz signal applied to DRVDD, AVDD_DAC 77
Power-supply rejection ratio dB
1-kHz signal applied to DRVDD, AVDD_DAC 73
DAC channel separation 0-dB full-scale input signal between left and right Lineout 123 dB
0-dB 1-kHz input full-scale signal, output volume control = 0
DAC gain error – 0.4 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
AUDIO DAC – SINGLE ENDED LINE OUTPUT, Load = 10 k Ω
0-dB input full-scale signal, output volume control = 0 dB,
Full-scale output voltage 0.707 Vrms
output common-mode setting = 1.35 V
No input signal, output volume control = 0 dB, output
SNR Signal-to-noise ratio, A-weighted 97 dB
common-mode setting = 1.35 V, f
S
= 48 kHz
0-dB 1-kHz input full-scale signal, output volume control = 0
THD Total harmonic distortion 84 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
0-dB 1-kHz input full-scale signal, output volume control = 0
DAC gain error 0.55 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
AUDIO DAC – SINGLE ENDED HEADPHONE OUTPUT, Load = 16 Ω
0-dB input full-scale signal, output volume control = 0 dB,
Full-scale output voltage 0.707 Vrms
output common-mode setting = 1.35 V
No input signal, output volume control = 0 dB, output
95 dB
common-mode setting = 1.35 V, f
S
= 48 kHz
SNR Signal-to-noise ratio, A-weighted
No input signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f
S
= 48 kHz, 50% DAC 96 dB
current boost mode
– 60-dB 1-kHz input full-scale signal, output volume control =
Dynamic range, A-weighted 92 dB
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
0-dB 1-kHz input full-scale signal, output volume control = 0
THD Total harmonic distortion – 80 – 65 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
217-Hz signal applied to DRVDD, AVDD_DAC 41
PSRR Power-supply rejection ratio dB
1-kHz signal applied to DRVDD, AVDD_DAC 44
DAC channel separation 0-dB full-scale input signal between left and right Lineout 84 dB
0-dB 1-kHz input full-scale signal, output volume control = 0
DAC gain error – 0.5 dB
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
AUDIO DAC – LINEOUT AND HEADPHONE OUT DRIVERS
First option 1.35
Second option 1.5
Output common mode V
Third option 1.65
Fourth option 1.8
Output volume control max
9 dB
setting
Output volume control step size 1 dB
(3) Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16- Ω
single-ended load.
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