Datasheet

RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TLV320DAC32
www.ti.com
........................................................................................................................................ SLAS506B NOVEMBER 2006 REVISED DECEMBER 2008
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
AVDD_DAC, Analog supply voltage 2.7 3.3 3.6 V
DRVDD
(1)
DVDD
(1)
Digital core supply voltage 1.525 1.8 1.95 V
IOVDD
(1)
Digital I/O supply voltage 1.1 1.8 3.6 V
V
I
Analog full-scale 0-dB input voltage (DRVDD = 3.3 V) 0.707 V
RMS
Stereo headphone-output load resistance 16
Digital output load capacitance 10 pF
T
A
Operating free-air temperature 40 85 C
(1) Analog voltage values are with respect to AVSS_DAC, DRVSS; digital voltage values are with respect to IOVSS.
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
ANALOG MIXER
Input resistance LINE inputs 100 k
Input capacitance LINE inputs 10 pF
Input volume control
minimum attenuation 0 dB
setting
Input volume control
maximum attenuation 78 dB
setting
Input volume control
0.5 dB
attenuation step size
MICROPHONE BIAS
2.0
2.25 2.5 2.75
Bias voltage Programmable settings, load = 750 V
DRVDD-
0.2
Current sourcing 2.5-V Setting 4 mA
DAC DIGITAL
INTERPOLATION Fs = 48 kHz
FILTER
Passband High-pass filter disabled 0.45 Ӧ s Hz
Passband ripple High-pass filter disabled 0.06 dB
Transition band 0.45 Ӧ s 0.55 Ӧ s Hz
Stopband 0.55 Ӧ s 7.5 Ӧ s Hz
Stopband attenuation 65 dB
Group delay 21/Fs Sec
SINGLE-ENDED STEREO
AC-coupled output configuration
(1)
HEADPHONE DRIVER
0-dB full-scale output 0-dB Gain to high power outputs. Output
0.65 V
RMS
voltage common-mode voltage setting = 1.65 V
First option 1.35
Programmable output
Second option 1.50
common mode voltage
V
(applicable to Line
Third option 1.65
Outputs also)
Fourth option 1.8
(1) Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16-
single-ended load.
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Product Folder Link(s): TLV320DAC32