TS4657 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
TS4657
STMicroelectronics
'TS4657' PDF : 26 Pages View PDF
TS4657
Block diagram and pin description
1
Block diagram and pin description
Figure 1. Block diagram
VCCA VCCD
VREGD VREGA
MCLK
BCLK
LRCLK
SDAT
Power
management unit
Digital
Audio
Interface
Digital
filters
DAC
DAC
VOUTR
VOUTL
Control
interface
FORMAT1 FORMAT2 STDBY
GNDD GNDA
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
GNDD
16
Supply
17
Supply
Analog ground, connect to GND
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.
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