TDA7407D Ver la hoja de datos (PDF) - STMicroelectronics
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TDA7407D Datasheet PDF : 34 Pages
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TDA7407D
4 AUDIO PROCESSOR PART
4.0.1 Input Multiplexer
■ Quasi-differential CD and cassette stereo input
4.0.4 Mid Control
■ 2nd order frequency response
■ AM mono input
■ Q-factor programmable in 2 steps
■ Phone inverting input
■ Center frequency programmable in 4 steps
■ Multiplexer signal after In-Gain available at
■ ±15 x1dB steps
separate pins
4.0.5 Treble Control
4.0.2 Volume control
– 2nd order frequency response
■ 1dB attenuator
■ Max. gain 15dB
t(s) ■ Max. attenuation 79dB
c 4.0.3 Bass Control
du ■ 2nd order frequency response
ro ) ■ Q-factor programmable in 4 steps
P t(s ■ Center frequency programmable in 4(5) steps
te c ■ DC gain programmable
sole rodu ■ ±15 x 1dB steps
– 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.
- Ob te P 4.1 ELECTRICAL CHARACTERISTICS
Table 6. Electrical Characteristics
) le (VS = 9V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise specified)
t(s so Symbol
Parameter
Test Condition
Min. Typ. Max.
uc b INPUT SELECTOR
d - O Rin
Pro t(s) VCL
SIN
lete uc GIN MIN
so rod GIN MAX
GSTEP
Oblete P VDC
Input Resistance
Clipping Level
Input Separation
Min. Input Gain
Max. Input Gain
Step Resolution
DC Steps
all inputs except Phone
Adjacent Gain Step
GMIN to GMAX
70
100 130
2.2
2.6
80
100
-1
0
1
13
15
17
0.5
1
1.5
-5
0.5
5
-10
5
10
o DIFFERENTIAL CD STEREO INPUT
ObsRin Input Resistance
Differential
Common Mode
70
100 130
70
100 130
Unit
KΩ
VRMS
dB
dB
dB
dB
mV
mV
KΩ
KΩ
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
6
15
mV
PHONE INPUT
Rin Input Resistance
40
56
KΩ
4/34
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