参数资料
型号: TDA7468D
厂商: STMICROELECTRONICS
元件分类: 音频控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封装: SO-28
文件页数: 12/23页
文件大小: 249K
代理商: TDA7468D
TDA7468
2/23
Figure 3. BLOCK DIAGRAM
IN-R3
ALC
SUPPLY
V
S
GND
CREF
TREBLE-L
MUX-L
IS-L
D99AU1058A
I2
C
BUS
DECODER
+
LATCHES
SCL
SDA
OUT-L
OUT-R
+
TREBLE-R
MUX-R
BASSI-R
IS-R
BASSO-R
50K
TREBLE
gm
buffer
gain:
0
to
14dB
gain
/2dB
step
63dB
att.
/1dB
step
+
6dB
gain
-14
to
+14dB
/2dB
step
-14
to
+14dB
/2dB
step
-14
to
+14dB
/2dB
step
-14
to
+14dB
/2dB
step
-24
att.
/8dB
step
-24
att.
/8dB
step
63dB
att.
/1dB
step
+
6dB
gain
0dB
6dB
9dB
12dB
0dB
6dB
9dB
12dB
non-inverting
inverting
VARIABLE
MIX
VARIABLE
MIX
non-inverting
inverting
0dB,
6dB
10dB,
14dB
INPUT
SELECT
TREBLE
BASS
BASS_ALC
CONTROL
HALF_WAVE
RECTIFIER
IN-R2
IN-R4
23
24
25
26
2
16
50K
V
REF
BASSO-L
BASSI-L
IN-R1
50K
IN-L2
50K
buffer
gain:
0
to
14dB
gain
/2dB
step
INPUT
SELECT
IN-L3
IN-L1
3
4
5
6
78
9
1
0
1
2
8
2
7
1
DGND
13
12
15
14
17
18
19
20
21
22
MIC-MIX
50K
IN-L4
50K
+
相关PDF资料
PDF描述
TDA7468D13TR 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
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