Datasheet
TLV320DAC32
SLAS506B – NOVEMBER 2006 – REVISED DECEMBER 2008 ........................................................................................................................................
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ELECTRICAL CHARACTERISTICS (continued)
At 25C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 48 kHz, 16-bit audio data (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Maximum
programmable output 9 dB
level control gain
Programmable output
level control gain step 1 dB
size
R
L
= 32 Ω , 0.1% THD 25
P
O
Maximum output power mW
R
L
= 16 Ω , 0.1% THD 50
SNR Signal-to-noise ratio
(2)
85 94 dB
– 79 – 60
Total harmonic
1-kHz Output, P
O
= 26 mW, R
L
= 16 Ω dB%
distortion
0.011
Channel separation 1 kHz, 0-dB Input 85 dB
Power supply rejection
1 KHz, 100 mVpp on AVDD_DAC, DRVDD1/2 52 dB
ratio
Mute attenuation 1-kHz Output 107 dB
DIFFERENTIAL STEREO HEADPHONE DRIVER
0-dB Gain to high power outputs. Output
0-dB full-scale output
common-mode voltage setting = 1.65 V, 1.27 V
voltage
Differential output configuration
(3)
SNR Signal-to-noise ratio
(4)
95 dB
DIFFERENTIAL SPEAKER DRIVER
DRVDD = 3.6 V, HPLCOM = 1.8 V,
P
O
Maximum output power 0.5 W
HPLCOM/HPRCOM Gain = 5, R
L
= 8 Ω
0-dB Full-scale output 0-dB Gain for HPLCOM/HPRCOM,
1.15 Vrms
voltage Output common-mode voltage setting = 1.65 V, R
L
= 8 Ω
Total harmonic Fs = 48 kHz, 0-dB Full-scale signal,
– 71 dB
distortion 0-dB Gain at HPLCOM/HPRCOM, R
L
= 8 Ω
DIGITAL I/O
0.3
V
IL
Input low level I
IL
= +5 µ A – 0.3 V
נ IOVDD
0.7
I
IH
= +5 µ A, IOVDD > 1.6 V
נ IOVDD
V
IH
Input high level
(5)
V
I
IH
= +5 µ A, IOVDD < 1.6 V IOVDD
0.1
V
OL
Output low level I
IH
= 2 TTL loads V
נ IOVDD
0.8
V
OH
Output high level I
OH
= 2 TTL loads V
נ IOVDD
SUPPLY CURRENT
AVDD_DAC+DRVDD 3.99
Current DVDD 0.025 mA
LINEL/R only routed to single-ended
stereo headphones, DAC = off, Analog
IOVDD 0.001
Headphone
Mixer = on, PLL = off, LDO = off,
amplifier
AVDD_DAC+DRVDD 13.17
analog mixer enabled, no signal
applied
Power DVDD 0.045 mW
IOVDD 0.003
(2) 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.
(3) Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16- Ω
differential load.
(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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