TLC320AD90C Datasheet, PDF (10/51 Pages) Texas Instruments – Stereo Audio Codec

1.5 Terminal Functions
TERMINAL
NAME
NO.
AUX_L
20
AUX_R
21
AVDD1
16
AVDD2
31
AVDD3
50
AVSS1
17
AVSS2
32
AVSS3
54
BIT_CLK
10
CD_GND
25
CD_L
24
CD_R
26
DACIN_L
48
DACIN_R
56
DACOUT_L
47
DACOUT_R
55
DVDD1
5
DVDD2
13
DVSS1
8
DVSS2
11
LFILT_M
38
LFILT_P
37
LINE_IN_L
29
LINE_IN_R
30
LINE_OUT_L 45
LINE_OUT_R 46
I/O
DESCRIPTION
I
Auxiliary input left channel from internal connector. AUX_L is used for upgrade
synthesizer or other source.
I
Auxiliary input right channel from internal connector. AUX_R is used for upgrade
synthesizer or other source.
I Analog 5-V supply voltage
I Analog 5-V supply voltage
I Analog 5-V supply voltage
I Analog ground
I Analog ground
I Analog ground
O 12.288-MHz serial data clock
I CD audio analog ground (for pseudo-differential inputs) from CDROM.
I CD audio left channel from CDROM – pseuso-differential input
I CD audio right channel from CDROM – pseuso-differential input
I
DAC input left channel. DACIN_L connects to the programmable gain amplifier
input.
I
DAC input right channel. DACIN_R connects to the programmable gain amplifier
input.
O
DAC output left channel. DACOUT_L should be connected to DACIN_L through
external dc blocking capacitors.
O
DAC output right channel. DACOUT_R should be connected to DACIN_R through
external dc blocking capacitors.
I Digital 5-V supply voltage
I Digital 5-V or 3.3-V supply voltage
I Digital ground
I Digital ground
O Differential anti-aliasing filter for ADC left channel
O Differential anti-aliasing filter for ADC left channel
I Line in left channel. LINE_IN_L connects to line-in jack. Will drive 600Ω load.
I Line in right channel. LINE_IN_R connects to line-in jack. Will drive 600Ω load.
O Line output left channel to output jack.
O Line output right channel to output jack.
1–4