參數(shù)資料
型號: TDA7719TR
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 5/46頁
文件大小: 590K
代理商: TDA7719TR
TDA7719
Description
Doc ID 13698 Rev 4
4
Description
4.1
Input configuration
4.1.1
Front and rear selector
The input stage (Main source and 2nd source) is configurable to adapt to different
application. There are 7 different configurations which provide different input structure and
different number of input sources as shown below.
4 x QD,
2 x QD + 3 x SE,
1 x QD + 5 x SE,
1 x QD + 3 x SE + 2 x MD,
3 x QD + 1 x FD,
3 x QD + 2 x SE,
1 x QD + 2 x SE + 1 x FD + 1 x MD,
1 x QD + 3 x SE + 1 x FD
Note:
QD = Quasi-Differential, SE = Single-ended input, FD = Full Differential, MD = mono
Differential
The configuration of the input stage is controlled by ‘Input Configuration’ bits in I2C control
table (Byte0 Bit5~Bit7). The table below shows the configuration of input pins in different
configurations.
Table 6.
Input pin configuration
Pin
Pin name
Configuration bits (Byte0 Bit7~Bit5)
"000"
"001"
"010"
"011"
"100"
"101"
"110"
"111"
CFG0
CFG1
CFG2
CFG3
CFG4
CFG5
CFG6
CFG7
1
QD1L_SE1L
_MD3+
QD1L
IN0
SE1L
IN0
SE1L
IN0
SE1L
IN0
QD1L
IN0
QD1L
IN0
MD3+
IN7
SE1L
IN0
2
QD1R_SE1R
_MD3-
QD1R
SE1R
QD1R
MD3-
SE1R
3
QD1G_SE2L
QD1G
SE2L
IN4
SE2L
IN4
SE2L
IN4
QD1G
SE2L
IN4
SE2L
IN4
4
QD2G_SE2R
QD2G
IN1
SE2R
QD2G
IN1
QD2G
IN1
SE2R
5
QD2L_SE3L
QD2L
SE3L
IN1
SE3L
IN1
SE3L
IN1
QD2L
SE3L
IN1
SE3L
IN1
6
QD2R_SE3R
QD2R
SE3R
QD2R
SE3R
7
QD3L
IN2
QD3L
IN2
QD3L
IN2
QD3L
IN2
QD3L
IN2
QD3L
IN2
QD3L
IN2
QD3L
IN2
8
QD3G
9
QD3R
10
QD4L_FD4+
_SE4L_MD1+
QD4L
IN3
QD4L
IN3
SE4L
IN5
MD1+
IN3
FD4L+
IN3
SE4L
IN5
FD4L+
IN3
FD4L+
IN3
11
QD4G_FD4L
_SE4R_MD1-
QD4G
SE4R
MD1-
FD4L-
SE4R
FD4L-
12
QD4G_FD4R_S
E5L_MD2-
QD4G
SE5L
IN6
MD2-
IN3
FD4R-
SE5L
IN6
FD4R-
13
QD4R_FD4R+_
SE5R_MD2+
QD4R
SE5R
MD2+
FD4R
+
SE5R
FD4R+
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