TLV320DAC3120_10 Datasheet, PDF (2/110 Pages) Texas Instruments – Low-Power Mono Audio DAC With Embedded miniDSP and Mono Class-D Speaker Amplifier

TLV320DAC3120
SLAS659 – NOVEMBER 2009
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
AVSS
AVDD
HPVSS
HPVDD
SPKVSS
SPKVSS
SPKVDD
SPKVDD
VOL/MICDET
GPIO1
SDA
SCL
MCLK
WCLK
SDIN
BCLK
RESET
AIN1
AIN2
MICBIAS
7-Bit ADC P0/R116
Left and Right
Volume-Control Register
P0/R117
GPIO
Audio Output Stage
Power Management
P1/R33–R34
De-Pop
I²C
and
Soft Start
Note: Normally,
MCLK is PLL input;
however, BCLK or
GPIO1 can also be
PLL input.
PLL
P0/R63
Digital
Audio
Processing
and
Serial
Interface
L Data
R Data
(L+R)/2 Data
Digital Vol
miniDSP 24 dB to
Mute
P0/R64
RC CLK
Mono DAC
DAC
Analog
Attenuation
0 dB to –78 dB
and Mute
(0.5-dB steps)
MIXER _P1/R38
P1/R35
S
Class-D Speaker
Driver
6 dB to 24 dB
(6-dB steps)
P1/R42
Analog
Class A/B
Attenuation Headphone/Lineout
0 dB to –78 dB
Driver
and Mute
0 dB to 9 dB
(0.5-dB steps)
(1-dB steps)
P1/R36
P1/R40
P1/R30–R31
SPKP
SPKP
SPKM
SPKM
HPOUT
P1/R46
2 V/2.5 V/AVDD
IOVSS
IOVDD
DVSS
DVDD
Figure 1-1. Functional Block Diagram
B0360-01
NOTE
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2
INTRODUCTION
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