Datasheet

TLV320AIC3101
www.ti.com ........................................................................................................................................ SLAS520D – 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 – DIFFERENTIAL SPEAKER OUTPUT, R
LOAD
= 8 Ω
0-dB input full-scale signal, output common-mode setting = 1.35 V,
Full-scale output voltage 1.4142 V
RMS
output volume control = 0 dB
A-weighted, f
S
= 48 kHz, output volume control = 0 dB, no input signal,
SNR Signal-to-noise ratio 86 dB
output common-mode setting = 1.35 V
f
S
= 48 kHz, 0-dB input full-scale signal, output volume control = 0 dB,
THD Total harmonic distortion – 70 dB
output common-mode setting = 1.35 V
f
S
= 48 kHz, 0-dB input full-scale signal, output volume control = 0 dB,
DAC gain error – 1 dB
output common-mode setting = 1.35 V
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 voltage
0-dB full-scale output voltage 0.707 V
RMS
setting = 1.35 V
First option 1.35
Programmable output
Second option 1.5
common-mode voltage
V
(applicable to line outputs
Third option 1.65
also)
Fourth option 1.8
Maximum programmable
9 dB
output 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
(4)
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
0.3
V
IL
Input low level – 0.3 V
IOVDD
0.7
IOVDD > 1.6 V
IOVDD
V
IH
Input high level
(5)
V
IOVDD ≤ 1.6 V 1.1
0.1
V
OL
Output low level V
IOVDD
0.8
V
OH
Output high level V
IOVDD
(4) 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.
(5) When IOVDD < 1.6 V, minimum V
IH
is 1.1 V.
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