TDA7442D データシートの表示（PDF） - STMicroelectronics
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TDA7442D Datasheet PDF : 17 Pages
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TDA7442 - TDA7442D
Table 5. Electrical Characteristics (continued)
Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, Vin = 1Vrms; RG = 600Ω, all controls flat (G =
0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz unless otherwise specified.
Symbol
Parameter
Test Condition
Min. Typ.
TREBLE CONTROL
Gt
Control Range
Max. Boost/cut
+13.0 +14.0
TSTEP Step Resolution
1
2
EFFECT CONTROL
CRANGE Control Range
- 21
SSTEP Step Resolution
0.5
1
SURROUND SOUND MATRIX PHASE
RPS10 Phase Shifter 1: D1 = 0, D0 = 0
8.3 11.8
RPS11 Phase Shifter 1: D1 = 0, D0 = 1
10 14.1
RPS12 Phase Shifter 1: D1 = 1, D0 = 0
12.6 17.9
RPS13 Phase Shifter 1: D1 = 1, D0 = 1
26.4 37.3
SURROUND SOUND MATRIX
TEST CONDITION (Phase Resistor Selection D0=0, D1=1, D2=0. D3=1, D4=0, D5=1, D6=0, D7=1
GOFF In-phase Gain (OFF)
Mode OFF, Input signal of
-1
0
1kHz, 1.4 Vp-p, Rin → Rout Lin →
Lout
DGOFF LR In-phase Gain Difference Mode OFF, Input signal of 1kHz,
-1
0
(OFF)
1.4 Vp-p Rin → Rout, Lin → Lout
GMUS In-phase Gain (Music)
Music mode, Effect Ctrl = -6dB
7
Input signal of 1kHz, 1.4 Vp-p (Rin
→ Rout), (Lin → Lout)
DGMUS LR In-phase Gain Difference Music mode, Effect Ctrl = -6dB
0
(Music)
Input signal of 1kHz, 1.4 Vp-p (Rin
→ Rout) - (Lin → Lout)
SPEAKER ATTENUATORS
Crange Control Range
79
SSTEP Step Resolution
-0.5
1
EA
Attenuation set error
Av = 0 to -20dB
-1.5
0
Av = -20 to -79dB
-3
0
VDC
DC Steps
adjacent att. steps
-3
0
AMUTE Output Mute Condition
+70 100
RVEA Input Impedance
21
30
AUDIO OUTPUTS
NO(OFF) Output Noise (OFF)
Output Mute, Flat
4
BW = 20Hz to 20KHz
5
NO(MUS) Output Noise (Music)
Mode = Music ,
30
BW = 20Hz to 20KHz,
NO(PSEUDO) Output Noise (Pseudo Stereo) Mode = Pseudo Stereo
30
BW = 20Hz to 20KHz,
d
Distorsion
Av = 0 ; Vin = 1Vrms
0.01
SC
Channel Separation
70
90
VOCL
Clipping Level
d = 0.3%
2
2.5
ROUT Output Resistance
10
30
Max.
+15.0
3
-6
1.5
15.2
18.3
23.3
48.85
1
1
1.5
1.5
2
3
39
0.1
50
Unit
dB
dB
dB
dB
KΩ
KΩ
KΩ
KΩ
dB
dB
dB
dB
dB
dB
dB
dB
mV
dB
KΩ
µVrms
µVrms
mVrms
mVrms
%
dB
Vrms
Ω
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