Datasheet

TLV320AIC31
www.ti.com ............................................................................................................................................. SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
At +25 ° C, AVDD, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, F
S
= 48 kHz, 16-bit audio data (unless otherwise noted).
TLV320AIC31
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
STEREO HEADPHONE DRIVER, continued
– 77
1-kHz output, P
O
= 10 mW, R
L
= 32 Ω
0.014%
– 80
1-kHz output, P
O
= 20 mW, R
L
= 32 Ω
0.01%
Total harmonic distortion dB
– 77
1-kHz output, P
O
= 20 mW, R
L
= 16 Ω
0.014%
– 76
1-kHz output, P
O
= 30 mW, R
L
= 16 Ω
0.016%
Channel separation 1 kHz, 0-dB input 96 dB
Power-supply rejection ratio 217 Hz, 100 mV
PP
on AVDD, DRVDD1/2 48 dB
Mute attenuation 1-kHz output 107 dB
DIGITAL I/O
V
IL
Input low level I
IL
= +5 µ A – 0.3 0.3 × IOVDD V
V
IH
Input high level
(5)
I
IH
= +5 µ A 0.7 × IOVDD V
V
OL
Output low level I
IH
= 2 TTL loads 0.1 × IOVDD V
V
OH
Output high level I
OH
= 2 TTL loads 0.8 × IOVDD V
SUPPLY CURRENT, F
S
= 48 kHz
AVDD + DRVDD F
S
= 48 kHz, PLL off, 3.0
Stereo line playback headphone drivers off, DAC mA
DVDD 2.0
Direct Mode
AVDD + DRVDD 2.3
Mono record F
S
= 48 kHz, PLL and AGC off mA
DVDD 1.1
AVDD + DRVDD 4.3
Stereo record F
S
= 48 kHz, PLL and AGC off mA
DVDD 1.3
AVDD + DRVDD 1.3
Additional power consumed
PLL mA
when PLL is powered
DVDD 0.9
AVDD + DRVDD Analog bypass to single-ended 1.5
Headphone amplifier headphones, DAC and PLL off, mA
DVDD 0
no signal applied
AVDD + DRVDD All supply voltages applied, all 0.1
Power down blocks programmed in lowest µ A
DVDD 0.5
power state
(5) When IOVDD < 1.6V, minimum V
IH
is 1.1 V.
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