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Número de pieza | M61528FP | |
Descripción | SCF TYPE FIXED EQUALIZER FOR CAR AUDIO | |
Fabricantes | Hitachi | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de M61528FP (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! M61528FP
SCF TYPE FIXED EQUALIZER FOR CAR AUDIO
Features
• Fixed equalizer(3 bands equalizer with SCF)
4 independent fixed equalizer controls.
Reduce the external C,R parts by using SCF (Switched Capacitor Filter) technology.
• FADER
4 independent fader controls.
0dB to –50dB/2dBstep, -∞dB
Built-in Soft-changing circuit for switching-noise.
Application
• Car Audio
Recommended Operating Condition
• Supply voltage range 7.0V to 9.0V
• Rated supply voltage 8.0V
REJ03F0040-0101Z
Rev.1.1
Dec.17.2003
System Configurations
FL IN
FRIN
RLIN
RRIN
Fixed Equalizer
FADER
FADER
FADER
FADER
FL-ch
FR-ch
RL-ch
RR-ch
Power supply
Microcomputer interface
OSC
Rev.1.1, Dec.17.2003, page 1 of 30
1 page M61528FP
Electrical Characteristics
Unless otherwise noted, VCC=8V, Ta=25 °C,Vi=1Vrms, f=1KHz, Fixed EQ(Low/Mid/High)=0dB, FADER=0dB,
RL=10K Ω,
Limits
Symbol Parameter
Condition
min typ
max Unit
Characteristics
Icc Circuit current
No signal
— 40 55 mA
Gv Pass gain
20Hz to 20KHz
-2.0 0
-2.0 dB
Sc
Channel separation
Input side: Vi=1Vrms , f=1KHz,
70 85 — dB
Measurement side: Input pin to GND
with the capacitance DIN-AUDIO
Vo max
Maximum output voltage 400Hz to 30KHz BPF
THD=1%
1.8 2.2 —
Vrms
THD
Total harmonic distortion 400Hz to 30KHz BPF
— 0.01 0.03 %
Vno
Output noise voltage
Input pin to GND with the capacitance, —
10
18
µVrms
DIN-AUDIO
Input pin to GND with the capacitance, —
DIN-AUDIO,FADER=-∞dB
3.5 10
Zin Input resistance
3 , 4 , 5 , 6 pin
10 20 30 KΩ
Fixed EQ(Low)
Gv(Cut) Control range(Cut)
Gv=-8dB,f0=300Hz,Q=2.0
Vi=1Vrms,f=300Hz
-9.5 -8.0 -6.5 dB
f0
Center frequency
Gv=-8dB,f0=120Hz,Q=2.0
102 120 138 Hz
Gv=-8dB,f0=150Hz,Q=2.0
127.5 150
172.5
Gv=-8dB,f0=200Hz,Q=2.0
170 200 230
Gv=-8dB,f0=300Hz,Q=2.0
255 300 345
Q Quality factor
1.5 Gv=-8dB,f0=300Hz,Q=1.5
(FRONT only)
1.275 1.5
1.725
Gv=-8dB,f0=300Hz,Q=2.0
1.7 2.0 2.3
Gv=-8dB,f0=300Hz,Q=2.5
2.125 2.5
2.875
Gv=-8dB,f0=300Hz,Q=3.0
2.55 3.0
3.45
Gv=-8dB,f0=300Hz,Q=3.5 (REAR
only)
2.975 3.5
4.025
Gv=-8dB,f0=300Hz,Q=4.0 (REAR
only)
3.4 4.0 4.6
Rev.1.1, Dec.17.2003, page 5 of 30
5 Page M61528FP
Clock and Data Timings
CLOCK
75%
25%
tr
t WHC
t cr
tf tWLC
DATA
Timing Definition of Digital Block
Symbol
t cr
t WHC
t WLC
tr
tf
t SD
t HD
Parameter
CLOCK cycle time
CLOCK pulse width (“H” level)
CLOCK pulse width (“L” level)
Rising time of CLOCK
Falling time of CLOCK
DATA setup time
DATA hold time
tSD tHD
Limits
MIN
TYP
MAX
Unit
4.0 — — µS
1.6 —
—
1.6 —
—
— — 0.4
— — 0.4
0.8 —
—
0.8 —
—
Rev.1.1, Dec.17.2003, page 11 of 30
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet M61528FP.PDF ] |
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