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TLV320AIC3106
SLAS509B–DECEMBER 2006–REVISED JUNE 2007
ELECTRICAL CHARACTERISTICS (continued)
At 25
°
C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 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
0-dB Input full-scale signal, output volume control = 0-dB,
Output common mode setting = 1.35 V
Full-scale output voltage
1.414
V
RMS
Signal-to-noise ratio,
A-weighted
(3)
No input signal, output volume control = 0-dB, Output
common mode setting = 1.35 V, Fs = 48 kHz
90
102
dB
–60 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
Dynamic range, A-weighted
99
dB
0 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
Total harmonic distortion
–94
–75
dB
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-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
DAC Gain Error
–0.4
dB
AUDIO DAC - SINGLE ENDED LINE OUTPUT, Load = 10 k
0-dB Input full-scale signal, output volume control = 0-dB,
Output common mode setting = 1.35 V
Full-scale output voltage
0.707
Vrms
No input signal, output volume control = 0-dB, Output
common mode setting = 1.35 V, Fs = 48 kHz
Signal-to-noise ratio, A-weighted
97
dB
0 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
Total harmonic distortion
84
dB
0 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
DAC Gain Error
0.55
dB
AUDIO DAC - SINGLE ENDED HEADPHONE OUTPUT, Load = 16
0-dB Input full-scale signal, output volume control = 0-dB,
Output common mode setting = 1.35 V
Full-scale output voltage
0.707
Vrms
No input signal, output volume control = 0-dB, Output
common mode setting = 1.35 V, Fs = 48 kHz
95
dB
Signal-to-noise ratio, A-weighted
No input signal, output volume control = 0-dB, Output
common mode setting = 1.35 V, Fs = 48 kHz, 50% DAC
Current Boost Mode
96
dB
–60 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
Dynamic range, A-weighted
92
dB
0 dB 1 kHz input full-scale signal, output volume control =
0-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
Total harmonic distortion
-80
-65
dB
217 Hz Signal applied to DRVDD, AVDD_DAC
41
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-dB, Output common mode setting = 1.35 V, Fs = 48 kHz
DAC Gain Error
-0.5
dB
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
setting
9
dB
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-
single-ended load.
8
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