TLV320AIC3106-Q1_15 Datasheet, PDF (8/103 Pages) Texas Instruments – LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY

TLV320AIC3106-Q1
SLAS663B – AUGUST 2009 – REVISED OCTOBER 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
T_A = –40°C to 85°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
MICROPHONE BIAS
Programmable setting = 2.0
Bias voltage
Programmable setting = 2.5
Programmable setting = DRVDD
Current sourcing
Programmable setting = 2.5V
AUDIO DAC – Differential Line output, load = 10 kΩ
Full-scale output voltage
0-dB input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V
SNR
Signal-to-noise ratio, A-
weighted ⁽³⁾
Dynamic range, A-weighted
THD Total harmonic distortion
Power-supply rejection ratio
No input signal, output volume control = 0 dB, output common mode
setting = 1.35 V, f_S = 48 kHz
–60 dB 1-kHz input full-scale signal, output volume control = 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 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz
217-Hz signal applied to DRVDD, AVDD_DAC
1-kHz signal applied to DRVDD, AVDD_DAC
DAC channel separation
0-dB full-scale input signal between left and right line out
DAC gain error
0-dB 1-kHz input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz
AUDIO DAC – SINGLE ENDED LINE OUTPUT, Load = 10 kΩ
Full-scale output voltage
0-dB input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V
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
THD Total harmonic distortion
0-dB 1-kHz input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz
DAC gain error
0-dB 1-kHz input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz
AUDIO DAC – SINGLE ENDED HEADPHONE OUTPUT, Load = 16 Ω
Full-scale output voltage
0-dB input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V
SNR Signal-to-noise ratio, A-weighted
Dynamic range, A-weighted
THD Total harmonic distortion
PSRR Power-supply rejection ratio
No input signal, output volume control = 0 dB, output common-mode
setting = 1.35 V, f_S = 48 kHz
No input signal, output volume control = 0 dB, output common-mode
setting = 1.35 V, f_S = 48 kHz, 50% DAC current boost mode
–60-dB 1-kHz input full-scale signal, output volume control = 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 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz, 25°C
217-Hz signal applied to DRVDD, AVDD_DAC
1-kHz signal applied to DRVDD, AVDD_DAC
DAC channel separation
0-dB full-scale input signal between left and right line out
DAC gain error
0-dB 1-kHz input full-scale signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f_S = 48 kHz
AUDIO DAC – LINEOUT AND HEADPHONE OUT DRIVERS
First option
Output common mode
Second option
Third option
Fourth option
Output volume control max setting
Output volume control step size
MIN
TYP
MAX UNIT
2.0
2.3
2.5
DRVDD
4
2.7 V
mA
1.414
90
102
99
–94
77
73
123
–0.4
V_RMS
dB
dB
–75 dB
dB
dB
dB
0.707
97
84
0.55
Vrms
dB
dB
dB
0.707
95
96
92
–80
41
44
84
–0.5
Vrms
dB
dB
dB
–65 dB
dB
dB
dB
1.35
1.5
V
1.65
1.8
9
dB
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.
8
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