TLV320AIC3101 Datasheet, PDF (9/95 Pages) Texas Instruments – LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY

TLV320AIC3101
www.ti.com
SLAS520C – FEBRUARY 2007 – REVISED JULY 2007
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
Full-scale output voltage
0-dB input full-scale signal, output common-mode setting = 1.35 V,
output volume control = 0 dB
1.4142
V_RMS
SNR Signal-to-noise ratio
A-weighted, f_S = 48 kHz, output volume control = 0 dB, no input
signal, output common-mode setting = 1.35 V
86
dB
THD Total harmonic distortion
f_S = 48 kHz, 0-dB input full-scale signal, output volume control = 0 dB,
output common-mode setting = 1.35 V
–70
dB
DAC gain error
f_S = 48 kHz, 0-dB input full-scale signal, output volume control = 0 dB,
output common-mode setting = 1.35 V
–1
dB
DAC DIGITAL INTERPOLATION – FILTER f_S = 48 kHz
Pass band
Pass-band ripple
0
0.45 f_S Hz
±0.06
dB
Transition band
Stop band
Stop-band attenuation
0.45 f_S
0.55 f_S
0.55 f_S Hz
7.5 f_S Hz
65
dB
Group delay
STEREO HEADPHONE DRIVER – AC-COUPLED OUTPUT CONFIGURATION ⁽³⁾
21/f_S
s
0-dB full-scale output voltage
0-dB gain to high-power outputs. Output common-mode voltage
setting = 1.35 V
0.707
V_RMS
Programmable output
common-mode voltage
(applicable to line outputs
also)
First option
Second option
Third option
Fourth option
1.35
1.5
V
1.65
1.8
Maximum programmable
output level control gain
9
dB
Programmable output level
control gain step size
1
dB
P_O
Maximum output power
Signal-to-noise ratio⁽⁴⁾
R_L = 32 Ω
R_L = 16 Ω
A-weighted
15
mW
30
94
dB
1-kHz output, P_O = 5 mW, R_L = 32 Ω
–77
0.014
Total harmonic distortion
1-kHz output, P_O = 10 mW, R_L = 32 Ω
1-kHz output, P_O = 10 mW, R_L = 16 Ω
–76
0.016
–73
0.022
dB%
1-kHz output, P_O = 20 mW, R_L = 16 Ω
–71
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
V_IH
Input high level ⁽⁵⁾
IOVDD > 1.6 V
IOVDD ≤ 1.6 V
0.7
IOVDD
V
1.1
V_OL
Output low level
0.1
IOVDD
V
V_OH
Output high level
0.8
IOVDD
V
(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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