ESMT
AD8356A
20
21
22
SRA
GNDSR
SRB
O
P
O
P
I
Subwoofer-right channel output (+)
Ground for subwoofer-right channel
Subwoofer-right channel output (-)
Supply for subwoofer-right channel B
Reset, low active
23 VDDSRB
(Note2)
24
25
26
27
28
29
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Open-drain output
Reset
PD
I
Power down, low active
O
I
ERROR output
I2C select address 0
I2C select address 1
I2C serial clock input
ERROR
SA0
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer with
open-drain output
SA1
I
SCL
I
30
SDA
I
I2C serial data input
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
DEF
PWMSA
AVDD
AGND
HPR
I
Default volume, 0=Mute, 1=Un-Mute
Half-bridge, sub-woofer channel output
Analog supply
Schmitt trigger TTL input buffer
TTL output buffer
O
P
P
O
O
I
(Note1)
Analog ground
Headphone right channel output
Headphone left channel output
Headphone detection
HPL
HP-SPK
VDDRB
RB
P
O
P
O
P
P
O
P
O
P
I
Supply for right channel B
Right channel output (-)
Ground for Right channel
Right channel output (+)
Supply for right channel A
Supply for left channel A
Left channel output (+)
Ground for left channel
Left channel output (-)
(Note2)
GNDR
RA
VDDRA
VDDLA
LA
(Note2)
(Note2)
GNDL
LB
VDDLB
Supply for left channel B
PLL Bypass
(Note2)
48 PLL_Byp
Schmitt trigger TTL input buffer
Note1：These pins provide the supply for digital PWM controller, headphone drivers, built-in PLL and
protection circuits except for loudspeaker short-circuit protection circuits.
Note2：These pins provide the supply for loudspeaker driver stages, which are known as “PVDD”.
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2007
Revision: 1.3 3/33
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
