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PDF M62457FP Data sheet ( Hoja de datos )
| Número de pieza | M62457FP | |
| Descripción | Peak hold IC for 5 band spectrum analayzer displays | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI SOUND PROCESSOR ICs
M62457FP
Peak hold IC for 5 band spectrum analayzer displays
DESCRIPTION
PIN CONFIGURATION (TOP VIEW)
The M62457FP is 5 band peak hold ICs that use
microprocessor time division to produce serial output for
spectrum analyzer displays.
FEATURES
• 5 band peak hold elements for spectrum analyzer
displays.
• Discharg time constant circuit for each band is on the
chip.
• Single 5V power supply.
Vcc/2
VREF
IREF
DIFOUT
COUT
CNF
AOUT
ANF
1
2
3
4
5
6
7
8
16 GND2
15 PHOUT
14 GND1
13 ENB
12 SELC
11 SELB
10 SELA
9 Vcc
Outline 16P2N-A
APPLICATION
CD radio cassette players , mini-component stereo systems, car stereos
RECOMMENDED OPERATING CONDITIONS
Supply voltage range • • • • 4.5 to 6.5V
Rated supply voltage • • • • 5.0V
SYSTEM BLOCK DIAGRAM
Audio
signal
BPF5
PeaK
Hold5
SELECTOR
µ-com
interfac
SELA SELB SELC ENB
Peak
Hold
output
( 1 / 12 )
1 page  
PIN DESCRIPTION 2
PIN No.
1
2
3
Name
Vcc / 2
VREF
IREF
4 DIFOPUT
5 COUT
6 CNF
7 AOUT
8 ANF
9 Vcc
10 SELA
11 SELB
12 SELC
13 ENB
14 GND1
15 PHOUT
16 GND2
MITSUBISHI SOUND PROCESSOR ICs
M62457FP
Peak hold IC for 5 band spectrum analayzer displays
I / O Peripheral circuit of pins
I Vcc
180K
I1
180K
I
GND2
350K
2
150K
O
O6
Vcc/2
5
I
O
8
I
Vcc/2
7
I
I
I 10,11,12,13
I 20K
10K
I VccX0.3
I
O 10K 15
GND2
I
3
4
VccX0.3
( 5 / 12 )
5 Page 
TEST CIRCUIT
MITSUBISHI SOUND PROCESSOR ICs
M62457FP
Peak hold IC for 5 band spectrum analayzer displays
Vcc/2
1
0.1µ
Vcc/2 Gen.
16
GND2
VREF 2
0.1µ
V REF Gen.
(Vccx0.3)
SELECTEOR
IREF
3
100K
I REF Gen.
HOLD
OUTPUT
BPF IN
DIFOUT
4
COUT
Amp-D
+
BPF 1
BPF 2
P.HOLD
P.HOLD
100K
5
Amp-C
+
BPF 3 P.HOLD
0.47 CNF
IN 6
39K
BPF 4 P.HOLD
BPF 5 P.HOLD
AOUT
7
100K
0.47µ
ANF
AIN 8
39K
<PEAK HOLD>
Amp-A
+
HOLD C RESET
PHOUT
15
1M
14
GND1
13
ENB
Px4
12
SELC
Px3
11
SELB
Px2
10
SELA
Px1
Vcc
9
0.01µ
10µ
Units resistance; Ω
capacitance; F
(11 / 12 )
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet M62457FP.PDF ] | |
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