TDA7448 STMicroelectronics, TDA7448 Datasheet - Page 7
![IC, VOLUME CNTRL, 6CH, 20SO](/photos/19/6/190691/ge20so07-40_sml.jpg)
TDA7448
Manufacturer Part Number
TDA7448
Description
IC, VOLUME CNTRL, 6CH, 20SO
Manufacturer
STMicroelectronics
Datasheet
1.TDA7448.pdf
(14 pages)
Specifications of TDA7448
Audio Control Type
Volume
Control Interface
I2C
Operating Temperature Range
0°C To +70°C
Audio Ic Case Style
SO
No. Of Pins
20
Svhc
No SVHC (15-Dec-2010)
Base Number
7448
Control / Process
RoHS Compliant
Supply Voltage Range
4.75V To 10V
Rohs Compliant
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA7448
Manufacturer:
ST
Quantity:
20 000
Part Number:
TDA7448D13TR
Manufacturer:
ST
Quantity:
20 000
In Incremental Bus Mode, the three “not used” functions must be addressed in any case. For example to refresh
“ Speaker Attenuation 3 = 0dB and Speaker Attenuation 6 = -40 dB”; the following bytes must be sent:
Table 7.
Table 8. SPEAKER ATTENUATION SELECTION
value = 0 to -79dB and MUTE
MSB
D7
0
0
0
0
0
0
0
0
0
1
1
SPEAKER ATTENUATION OUT 1
SPEAKER ATTENUATION OUT 2
SPEAKER ATTENUATION OUT 3
SPEAKER ATTENUATION OUT 4
SPEAKER ATTENUATION OUT 5
SPEAKER ATTENUATION OUT 6
D6
0
0
0
0
0
0
0
0
1
0
1
SUBADDRESS
D5
0
0
0
0
1
1
1
1
D4
0
0
1
1
0
0
1
1
D3
0
1
0
1
0
1
0
1
D2
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
LSB
D0
0
1
0
1
0
1
0
1
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXX10010
00000000
00101111
SPEAKER ATTENUATION
MUTE
-16dB
-24dB
-32dB
-40dB
-48dB
-56dB
-64dB
-72dB
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
-0dB
-8dB
0dB
TDA7448
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