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TDA7461ND Datasheet

  • TDA7461ND

  • CAR RADIO SIGNAL PROCESSOR

  • 31頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7461N
AUDIO PROCESSOR PART
Input Multiplexer
Fully differential or quasi-differential CD and
cassette stereo input
AM mono or stereo input
Phone differential or single ended input
Internal beep with 2 frequencies (selectable)
Mixable phone and beep signals
Loudness
Second order frequency response
Programmable center frequency and quality factor
15 x 1dB steps
Selectable flat-mode (constant attenuation)
Volume control
1dB attenuator
Max. gain 20dB
Max. attenuation 79dB
Soft-step gain control
Bass Control
2nd order frequency response
Center frequency programmable in 4(5) steps
DC gain programmable
7 x 2dB steps
Treble Control
2nd order frequency response
Center frequency programmable in 4 steps
7 x 2dB steps
Speaker Control
4 independentspeaker controls (1dB steps
control range 50dB)
Mute Functions
Direct mute
Digitally controlled softmute with 4 program-
mable time constants
ELECTRICAL CHARACTERISTICS
(V
S
= 9V; T
amb
= 25擄C; R
L
= 10K鈩? all gains = 0dB; f = 1KHz;
unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
R
in
V
CL
S
IN
G
IN MIN
G
IN MAX
G
STEP
V
DC
Input Resistance
Clipping Level
Input Separation
Min. Input Gain
Max. Input Gain
Step Resolution
DC Steps
Adjacent Gain Step
G
MIN
to G
MAX
all inputs except Phone
70
2.2
80
-1
13
1
-5
-5
100
2.6
100
0
14
2
0
1
1
15
3
+5
+5
130
K鈩?/div>
V
RMS
dB
dB
dB
dB
mV
mV
K
鈩?/div>
K
鈩?/div>
dB
dB
15
碌V
DIFFERENTIAL CD STEREO INPUT
R
in
CMRR
e
N
Input Resistance
Common Mode Rejection Ratio
Output Noise @ Speaker
Output
Differential
Common Mode
V
CM
= 1
VRMS
@ 1KHz
V
CM
= 1
VRMS
@ 10KHz
20Hz to 20KHz flat; all stages
0dB
70
20
45
45
100
30
70
60
9
130
40
DIFFERENTIAL PHONE INPUT
R
in
CMRR
Input Resistance
Common Mode Rejection Ratio
Differential
Common Mode
V
CM
= 1
VRMS
@ 1KHz
V
CM
= 1
VRMS
@ 10KHz
10
20
45
45
15
30
70
60
20
40
K鈩?/div>
K
鈩?/div>
dB
dB
4/31

TDA7461ND 產(chǎn)品屬性

  • 28

  • 集成電路 (IC)

  • 線性 - 音頻處理

  • -

  • 汽車信號處理器

  • 車載系統(tǒng)

  • 表面貼裝

  • 28-SOIC（0.295"，7.50mm 寬）

  • 28-SO

  • 管件

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