TDA744813TR STMicroelectronics, TDA744813TR Datasheet - Page 4

• Manufacturer Part Number: TDA744813TR
• Description: IC CTLR VOLUME 6CH I/O 20-SOIC
• Manufacturer: STMicroelectronics
• Type: Volume Controlr

Specifications of TDA744813TR

• Applications: Multi-Channels Audio Systems
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8884-2

TDA7448
Figure 4. Test circuit
3
The volume control range is 0 to -79dB, by 1dB step
resolution.
The very high resolution allows the implementation of
systems free from any noise acoustical effect.
3.1 CREF
The suggested 10 F reference capacitor (CREF)
value can be reduced to 4.7 F if the application re-
quires faster power ON.
Figure 5. THD vs. frequency
4/14
APPLICATION SUGGESTIONS
IN1
IN2
IN3
IN4
IN5
IN6
0.47 F
0.47 F
0.47 F
0.47 F
0.47 F
0.47 F
10 F
CREF
GND
IN1
IN2
IN3
IN4
IN5
IN6
2
19
3
18
4
17
11
20
50K
50K
50K
50K
50K
50K
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
SUPPLY
Figure 6. THD vs. R
Figure 7. Channel separation vs. frequency
V
S
1
DECODER
I
2
C BUS
D02AU1406
14
15
16
10
11
7
6
5
9
LOAD
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
SCL
SDA
ADDR