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PDF AN12959A Data sheet ( Hoja de datos )
| Número de pieza | AN12959A | |
| Descripción | I2C bus control compatible AGC built-in stereo BTL amplifier IC | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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DATA SHEET
Part No.
Package Code No.
AN12959A
UBGA021-W-2525AEA
www.DataSheet4U.com
Publication date: October 2008
SDE00028BEB
1
1 page  
AN12959A
Pin Descriptions
Pin No. Pin name
A1 GND_SPL
A2 LOUT_POS
A3 VCC_D
A4 SCL
A5 GND
B1 LOUT_NEG
B2 N.C.
B3 S.D
B4 SDA
C1 VCC_SP
C2 VREF_SP
C3 N.C.
C4 PREOUT_L
C5 FB_L
D1 ROUT_NEG
D2 N.C.
D3 GND
D4 PREOUT_R
D5 FB_R
E1 GND_SPR
E2 ROUT_POS
E3 VREF
E4 VCC
E5 GND
Type
Ground
Output
Power Supply
Input
Ground
Output
—
—
Input / Output
Power Supply
Input
—
Output
Input
Output
—
Ground
Output
Input
Ground
Output
Input
Power Supply
Ground
Description
Grounding (For speaker L-channel)
Speaker output L-channel (+)
VCC_D for logic circuit
SCL
Grounding
Speaker output L-channel(–)
N.C.
Shut-down pin
SDA
VCC_SP for the circuit of speaker output
Reference voltage pin for the circuit of speaker output
N.C.
First amplifier output L-channel
First amplifier negative feedback input L-channel
Speaker output R-channel(–)
N.C.
Grounding
First amplifier output R-channel
First amplifier negative feedback input R-channel
Grounding (For speaker R-channel)
Speaker output R-channel(+)
Reference voltage pin
Power supply VCC
Grounding
www.DataSheet4U.com
SDE00028BEB
5
5 Page 
AN12959A
Technical Data (continued)
y I2C-bus mode (continued)
1.Write mode (continued)
(a) I2C-bus PROTOCOL
x Slave address: 10110110 (B6Hex)
x Format (Normal)
S Slave address W A Sub-address A
Data byte
AP
Start
condition
Write Acknowledge bit
Mode: 0
Stop
condition
(b) Auto increment
x Sub-address 0*Hex: Auto increment mode
(When the data is sent in sequence, the sub-address will change one by one and the data will be input.)
x Auto increment mode
S Slave address W A Sub-address A Data 1 A Data 2 A Data n
AP
(c) Initial condition
The initial state of the device is not guaranteed. Therefore, the input of 00Hex resister-D0(Note.1) will be absolutely "0", when
the power is turned ON.
(d) Sub-address Byte and Data Byte Format
Sub-
address
MSB
D7
D6
GAIN
*0Hex 0 → +20 dB
1 → +26 dB
0
(*1)
*1Hex
AGC-ON
data bit3
AGC-ON
data bit2
*2Hex
0
(*1,*2)
0
(*1,*2)
D5
0
(*1)
AGC-ON
data bit1
0
(*1,*2)
Data byte
D4 D3
0
(*1)
AGC
0 → OFF
1 → ON
AGC-REC AGC-REC
data bit3 data bit2
0
(*1,*2)
0
(*1,*2)
D2
SP Save
0 → ON
1 → OFF
AGC-REC
data bit1
0
(*1,*2)
D1
Standby
0 → ON
1 → OFF
AGC-ATT
data bit2
0
(*1,*2)
LSB
D0
0
(*1)
AGC-ATT
data bit1
0
(*1,*2)
Note) *1: <00Hex Register>
D0, D4, D5, D6: Always set to "0" 。
D1: Standby ON/OFF switch
D2: D2: SP Save ON/OFF switch
D3: AGC ON/OFF switch
D7: GAIN +20 dB / +26 dB selection
<01Hex Register>
D0, D1: AGC-attack-time selection
D2, D3, D4: AGC-recovery-time selection
D5, D6, D7: AGC-on-level selection
www.DataSheet4U.<co02mHex Register>
Always set to "0". (test & adjust mode).
*2: Please use these bit only Data = "0", because they are used by our company’s final test and fine-tuning AGC-on level. Note that
Data = "1" is not shut-down mode.
SDE00028BEB
11
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet AN12959A.PDF ] | |
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