TDA7407D Datasheet, PDF (4/34 Pages) STMicroelectronics – ADVANCED CAR SIGNAL PROCESSOR

TDA7407D
4 AUDIO PROCESSOR PART
4.0.1 Input Multiplexer
■ Quasi-differential CD and cassette stereo input
4.0.4 Mid Control
■ 2^nd 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
– 2^nd 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
S_IN
lete ^{uc GIN MIN}
so ^{rod GIN MAX}
G_STEP
Ob_lete ^{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
Obs^{Rin Input Resistance}
Differential
Common Mode
70
100 130
70
100 130
Unit
KΩ
V_RMS
dB
dB
dB
dB
mV
mV
KΩ
KΩ
CMRR Common Mode Rejection Ratio V_CM = 1V_RMS @ 1KHz
45
70
dB
V_CM = 1V_RMS @ 10KHz
45
60
dB
e_N Output Noise @ Speaker
Outputs
20Hz to 20KHz flat; all stages 0dB
6
15
mV
PHONE INPUT
R_in Input Resistance
40
56
KΩ
4/34