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TDA7442D Datasheet

  • TDA7442D

  • TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESS...

  • 17頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7442
TDA7442D
TONE CONTROL AND SURROUND
DIGITALLY CONTROLLED AUDIO PROCESSOR
1
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
FEATURES
4 STEREO INPUTS
INPUT ATTENUATION CONTROL IN 0.5dB
STEP
TREBLE AND BASS CONTROL
TWO SURROUND MODE AVAILABLE WITH 4
SELECTABLE RESPONSES:
鈥?MUSIC
鈥?SIMULATED STEREO
TWO SPEAKER ATTENUATORS:
鈥?2 INDEPENDENT SPEAKER CONTROLS IN
1dB STEPS FOR BALANCE FACILITY
鈥?INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA
SERIAL BUS
2 MONITOR OUTPUT (ONLY FOR TDA7442)
Figure 1. Packages
SO-28
SDIP-32
Table 1. Order Codes
Part Number
TDA7442
TDA7442D
TDA7442D013TR
Package
SDIP-32
SO-28
Tape & Reel
鈻?/div>
鈻?/div>
鈻?/div>
mable phase shifter. Control of all the functions is
accomplished by serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the BIPOLAR/CMOS Technology used,
Low Distortion, Low Noise and DC stepping are
obtained.
2
DESCRIPTION
The TDA7442/42D is volume tone (bass and tre-
ble) balance (Left/Right) processors for quality au-
dio applications in TV and Hi-Fi systems.
It reproduces surround sound by using a program-
Figure 2. Pin Connections
(Top views)
R-IN2
R_IN3
R_IN2
R_IN1
L_IN1
L_IN2
L_IN3
L_IN4
MUXOUTL
IN(L)
MUXOUT(R)
IN(R)
BIN(R)
BOUT(R)
BIN(L)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D98AU948
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D01AU1247
32
31
30
29
28
27
26
R-IN3
R-IN4
L-OUT
R-OUT
AGND
V
S
CREF
SDA
SCL
DIGGND
TREBLE-R
N.C.
TREBLE-L
PS1
LP
BOUT(L)
28
27
26
25
24
23
R_IN4
LOUT
ROUT
AGND
V
S
CREF
SDA
SCL
DIG-GND
TREBLE(R)
TREBLE(L)
PS1
LP
BOUT(L)
R-IN1
MONITOR(L)
MONITOR(R)
L-IN1
L-IN2
L-IN3
L-IN4
MUXOUT(L)
IN(L)
MUXOUT(R)
N.C.
IN(R)
BIN(R)
BOUT(R)
BIN(L)
SO28
22
21
20
19
18
17
16
15
SDIP32
25
24
23
22
21
20
19
18
17
June 2004
REV. 2
1/17

TDA7442D 產(chǎn)品屬性

  • 28

  • 集成電路 (IC)

  • 線性 - 音頻處理

  • -

  • 音頻處理器

  • 電視，HI-FI 系統(tǒng)

  • 表面貼裝

  • 28-SOIC（0.295"，7.50mm 寬）

  • 28-SO

  • 管件

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