參數(shù)資料
型號(hào)： TS4657IQT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO AMPLIFIER, QCC20
封裝： 4 X 4 MM, ROHS COMPLIANT, QFN-20
文件頁(yè)數(shù)： 20/26頁(yè)
文件大?。?/td> 1412K
代理商： TS4657IQT
TS4657
Block diagram and pin description
3/26
1
Block diagram and pin description
Figure 1.
Block diagram
Table 1.
Pin description
Pin name
Pin
I/O
Function
GNDD
1
Supply
Digital ground, connected to GND
NC
2
Non-connected
pin
This pin must remain non-connected.
LRCLK
3
Digital input
Channel select clock input
SDAT
4
Digital input
Serial audio data input
BCLK
5
Digital input
Bit clock input
MCLK
6
Digital input
Master clock input
FORMAT2
7
Digital input
Selection of the digital data audio format.
FORMAT1
8
Digital input
Selection of the digital data audio format.
STDBY
9
Digital input
Input for Standby pin. STDBY=VIL: the TS4657 is in
shutdown mode.
GNDA
10
Supply
Analog ground, connect to GND.
VOUTR
11
Analog output
Right channel analog output
VOUTL
12
Analog output
Left channel analog output
VCCA
13
Supply
Main analog power supply, connected to VCCD
VREGA
14
Supply
Decoupling pin for the analog part
GNDA
15
Supply
Analog ground, connected to GND
GNDA
16
Supply
Analog ground, connect to GND
GNDD
17
Supply
Digital ground, connected to GND
VREGD
18
Supply
Decoupling pin for the digital part
VCCD
19
Supply
Main digital power supply. Connect to VCCA
NC
20
Non-connected
pin
This pin must remain non-connected.
Control
interface
BCLK
LRCLK
SDAT
Digital
filters
DAC
Digital
Audio
Interface
VCCA
VREGA
GNDA
MCLK
VOUTR
VOUTL
FORMAT2
VREGD
GNDD
STDBY
Power
management unit
FORMAT1
VCCD
Control
interface
BCLK
LRCLK
SDAT
Digital
filters
DAC
Digital
Audio
Interface
VCCA
VREGA
GNDA
MCLK
VOUTR
VOUTL
FORMAT2
VREGD
GNDD
STDBY
Power
management unit
FORMAT1
VCCD
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