M61506FP Datasheet, PDF (2/13 Pages) Mitsubishi Electric Semiconductor – Peak hold IC for 5 band spectrum analyzer displays

BLOCK DIAGRAM
Vcc/2 ₁
Vcc/2 Gen.
16 GND2
VREF ₂
V REF Gen.
(VccX0.3)
SELECTOR
15 PHOUT
IREF
DIFOUT
COUT
CNF
3
I REF Gen.
HOLD
BPF IN
OUTPUT
4 _2K
2K
5
Amp-
C
f1 BPF 1
Amp-
+
D
f2 ^{BPF 2}
f3 ^{BPF 3}
+
P.HOLD
P.HOLD
P.HOLD
f4 ^{BPF 4} P.HOLD
6
f5 ^{BPF 5 P.HOLD}
TEST _{14 GND1}
13 _ENB
12 SELC
11 SELB
AOUT ₇
ANF ₈
<PEAK HOLD>
2K
Amp-A
+
HOLD C RESET
10 SELA
9 Vcc
(Notes)f1=105Hz,f2=340Hz,f3=1KHz,f4=3.4KHz,f5=10.5KHz
(The value is the design value)
Units Resistance :Ω
Capacitance: F
MITSUBISHI
ELECTRIC
( 2 / 13 )