Datasheet
TLV320AIC3105
www.ti.com
......................................................................................................................................... SLAS513B – FEBRUARY 2007 – 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
AUDIO DAC – Lineout and Headphone Out Drivers
First option 1.35
Second optiin 1.5
Output common mode V
Third option 1.65
Fourth option 1.8
Output volume control maximum
9 dB
setting
Output volume control step size 1 dB
DAC DIGITAL INTERPOLATION – FILTER f
S
= 48 kHz
Pass band 0 0.45 f
S
Hz
Pass-band ripple ± 0.06 dB
Transition band 0.45 f
S
0.55 f
S
Hz
Stop band 0.55 f
S
7.5 f
S
Hz
Stop-band attenuation 65 dB
Group delay 21/f
S
s
STEREO HEADPHONE DRIVER – AC-COUPLED OUTPUT CONFIGURATION
(3)
0-dB gain to high-power outputs. Output common-mode
0-dB full-scale output voltage 0.707 V
RMS
voltage setting = 1.35 V
First option 1.35
Programmable output
Second option 1.5
common-mode voltage V
Third option 1.65
(applicable to line outputs also)
Fourth option 1.8
Maximum programmable output
9 dB
level control gain
Programmable output level
1 dB
control gain step size
R
L
= 32 Ω 15
P
O
Maximum output power mW
R
L
= 16 Ω 30
Signal-to-noise ratio
(3)
A-weighted 94 dB
– 77
1-kHz output, P
O
= 5 mW, R
L
= 32 Ω
0.014
– 76
1-kHz output, P
O
= 10 mW, R
L
= 32 Ω
0.016
Total harmonic distortion dB%
– 73
1-kHz output, P
O
= 10 mW, R
L
= 16 Ω
0.022
– 71
1-kHz output, P
O
= 20 mW, R
L
= 16 Ω
0.028
Channel separation 1-kHz, 0-dB input 90 dB
Power supply rejection ratio 217 Hz, 100 mVpp on AVDD, DRVDD1/2 48 dB
Mute attenuation 1-kHz output 107 dB
DIGITAL I/O
V
IL
Input low level – 0.3 0.3 IOVDD V
0.7
IOVDD > 1.6 V
IOVDD
V
IH
Input high level V
IOVDD ≤ 1.6 V 1.1
V
OL
Output low level 0.1 IOVDD V
0.8
V
OH
Output high level V
IOVDD
CURRENT CONSUMPTION – DRVDD, IOVDD = AVDD_DAC = 3.3 V, DVDD = 1.8 V
(3) Ratio of output level with a 1-kHz full-scale input, to the output level playing an all-zero signal, measured A-weighted over a 20-Hz to
20-kHz bandwidth.
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