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TDA7407D 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA7407D
功能描述  ADVANCED CAR SIGNAL PROCESSOR
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7407D 数据表(HTML) 4 Page - STMicroelectronics

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4
AUDIO PROCESSOR PART
4.0.1 Input Multiplexer
■ Quasi-differential CD and cassette stereo input
■ AM mono input
■ Phone inverting input
■ Multiplexer signal after In-Gain available at
separate pins
4.0.2 Volume control
■ 1dB attenuator
■ Max. gain 15dB
■ Max. attenuation 79dB
4.0.3 Bass Control
■ 2nd order frequency response
■ Q-factor programmable in 4 steps
■ Center frequency programmable in 4(5) steps
■ DC gain programmable
■ ±15 x 1dB steps
4.0.4 Mid Control
■ 2
nd order frequency response
■ Q-factor programmable in 2 steps
■ Center frequency programmable in 4 steps
■ ±15 x1dB steps
4.0.5 Treble Control
–2nd order frequency response
– Center frequency programmable in 4 steps
– ±15 x 1dB steps
4.0.6 Speaker Control
■ 4 independent speaker controls in 1dB steps
■ max gain 15dB
■ max. attenuation 79dB
4.0.7 Mute Functions
■ Direct mute
■ Digitally controlled softmute with 4
programmable mute time.
4.1
ELECTRICAL CHARACTERISTICS
Table 6. Electrical Characteristics
(VS = 9V; Tamb = 25°C; RL = 10K
Ω; all gains = 0dB; f = 1KHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
Rin
Input Resistance
all inputs except Phone
70
100
130
K
Ω
VCL
Clipping Level
2.2
2.6
VRMS
SIN
Input Separation
80
100
dB
GIN MIN
Min. Input Gain
-1
0
1
dB
GIN MAX
Max. Input Gain
13
15
17
dB
GSTEP
Step Resolution
0.5
1
1.5
dB
VDC
DC Steps
Adjacent Gain Step
-5
0.5
5
mV
GMIN to GMAX
-10
5
10
mV
DIFFERENTIAL CD STEREO INPUT
Rin
Input Resistance
Differential
70
100
130
K
Ω
Common Mode
70
100
130
K
Ω
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
45
70
dB
VCM = 1VRMS @ 10KHz
45
60
dB
eN
Output Noise @ Speaker
Outputs
20Hz to 20KHz flat; all stages 0dB
615
mV
PHONE INPUT
Rin
Input Resistance
40
56
K
Ω
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