TDA7442 STMicroelectronics, TDA7442 Datasheet - Page 8

• Manufacturer Part Number: TDA7442
• Description: IC PROCESSOR TONE/SURRND 32-SDIP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7442

• Applications: TV, HI-FI Systems
• Mounting Type: Through Hole
• Package / Case: 32-SDIP (0.400", 10.16mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8867-5; TDA7442

TDA7442 - TDA7442D
5
Address = 80(HEX)
5.1 Function Selection:
The first byte (subaddress)
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
Input Attenuation Selection
INPUT ATTENUATION = 0 ~ -31.5dB
8/17
MSB
MSB
D7
D7
B
B
B
B
B
B
B
B
B
B
DATA BYTES
D6
D6
X
X
X
X
X
X
X
X
X
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D5
D5
0
0
0
0
1
1
1
1
X
X
X
X
X
X
X
X
X
X
D4
D4
X
X
X
X
X
X
X
X
X
X
0
0
1
1
0
0
1
1
D3
D3
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
D2
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
D1
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
LSB
LSB
D0
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
INPUT ATTENUATION
SURROUND & OUT & EFFECT
CONTROL
PHASE RESISTOR
BASS
TREBLE
SPEAKER ATTENUATION "L"
SPEAKER ATTENUATION "R"
NOT ALLOWED
NOT ALLOWED
INPUT MULTIPLEXER
INPUT ATTENUATION
SUBADDRESS
0.5 dB STEPS
4 dB STEPS
-0.5
-1.5
-2.5
-3.5
-12
-16
-20
-24
-28
-1
-2
-3
-4
-8
0
0