AD8256A Просмотр технического описания (PDF) - [Elite Semiconductor Memory Technology Inc.
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Компоненты Описание
производитель
AD8256A
[Elite Semiconductor Memory Technology Inc.
AD8256A Datasheet PDF : 4 Pages
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ESMT
AD8256A
20
RA2
O
Right channel output2 (+)
21 GNDR2 P
Ground2 for right channel
22
RB2
O
Right channel output2 (-)
23 VDDRB2 P
Supply2 for right channel B
(Note2)
24 Re set
I
Reset, low active
Schmitt trigger TTL input buffer
25
PD
I
Power down, low active
Schmitt trigger TTL input buffer
26 ERROR O
27 SA0
I
28 SA1
I
29 SCL
I
ERROR output
I2C select address 0
I2C select address 1
I2C serial clock input
Open-drain output
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
30 SDA
I
I2C serial data input
Schmitt trigger TTL input buffer with
open-drain output
31 DEF
I Default volume, 0=Mute, 1=Un-Mute
Schmitt trigger TTL input buffer
32 PWMSA O Half-bridge, sub-woofer channel output
TTL output buffer
33 AVDD P
Analog supply
(Note1)
34 AGND P
Analog ground
35
HPR
O
Headphone right channel output
36
HPL
O
Headphone left channel output
37 HP-SPK I
Headphone detection
38 VDDLB2 P
Supply2 for left channel B
(Note2)
39
LB2
O
Left channel output2 (-)
40 GNDL2 P
Ground2 for left channel
41
LA2
O
Left channel output2 (+)
42 VDDLA2 P
Supply2 for left channel A
(Note2)
43 VDDLA1 P
Supply1 for left channel A
(Note2)
44
LA1
O
Left channel output1 (+)
45 GNDL1 P
Ground1 for left channel
46
LB1
O
Left channel output1 (-)
47 VDDLB1 P
Supply1 for left channel B
(Note2)
48 PLL_Byp I
PLL Bypass
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
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