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STMicroelectronics Electronic Components Datasheet

TDA7448 Datasheet

6 CHANNEL VOLUME CONTROLLER

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TDA7448
6 CHANNEL VOLUME CONTROLLER
PRODUCT PREVIEW
s 6 CHANNEL INPUTS
s 6 CHANNEL OUTPUTS
s VOLUME ATTENUATION RANGE OF
0 TO -79dB
s VOLUME CONTROL IN 1.0dB STEPS
s 6 CHANNEL INDEPENDENT CONTROL
s ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
SO20
ORDERING NUMBER: TDA7448
DESCRIPTIO
The TDA7448 is a 6 channel volume controller for
quality audio applications in Multi-Channels Audio
Systems
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are ob-
tained.
BLOCK DIAGRAM
2
IN1
VOLUME
50K
19
IN2
VOLUME
50K
3
IN3
VOLUME
50K
18
IN4
VOLUME
50K
4
IN5
VOLUME
50K
17
IN6
VOLUME
50K
GND
CREF
11
20
SUPPLY
1
VS
I2C BUS
DECODER
7
OUT1
14
OUT2
6
OUT3
15
OUT4
5
OUT5
16
OUT6
10
SCL
9
SDA
12
ADDR
D02AU1396
December 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/13


STMicroelectronics Electronic Components Datasheet

TDA7448 Datasheet

6 CHANNEL VOLUME CONTROLLER

No Preview Available !

TDA7448
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VS Operating Supply Voltage
Tamb
Operating Ambient Temperature
Tstg Storage Temperature Range
PIN CONNECTION
Value
10.5
-10 to 85
-55 to 150
VS
IN1
IN3
IN5
OUT5
OUT3
OUT1
N.C.
SDA
SCL
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D02AU1397
CREF
IN2
IN4
IN6
OUT6
OUT4
OUT2
N.C.
ADDR
GND
Unit
V
°C
°C
THERMAL DATA
Symbol
Parameter
Rth j-pin thermal Resistance junction-pins
QUICK REFERENCE DATA
Symbol
Parameter
VS Supply Voltage
VCL Max Input Signal Handling
THD
Total Harmonic Distortion V = 1Vrms f =1KHz
S/N Signal to Noise Ratio Vout = 1Vrms
SC Channel Separation f = 1KHz
Volume Control (1dB step)
Mute Attenuation
Value
150
Unit
°C/W
Min.
4.75
2
-79
Typ.
9
0.01
100
90
90
Max.
10
0.1
0
Unit
V
Vrms
%
dB
dB
dB
dB
2/13


Part Number TDA7448
Description 6 CHANNEL VOLUME CONTROLLER
Maker ST Microelectronics
Total Page 13 Pages
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