CXA3668N Datasheet, PDF (4/16 Pages) Sony Corporation – Reception Analog Signal Processor IC for Infrared Space Digital Audio Communication

CXA3668N
Pin
No.
Symbol
I/O
Standard
voltage level
Equivalent circuit
VccS
14 DIVCODE I
14
15 GNDO
GND
GNDS
Description
Filter characteristics switching.
• Low: Full-band BPF
(3 to 6MHz)
• High: Half-band BPF
(3 to 4.5MHz)
Logic level:
• Low: 0 to 0.5V
• High: 1.5V to VCC
Output amplifier block GND.
16 OUT
VccO
O
1.25V
17 VCCO
18 DET
+2.5V
(Typ.)
GNDO
Vcc2
O
19 GND2
GND
GND2
Signal output.
The load capacitance should
be as small as possible to
16 ^{ensure stable output.}
• Load resistance:
3kΩ or more
• Load capacitance:
18pF or less
Output amplifier block power
supply.
Input level detection.
This detects whether the input
level is the prescribed value,
and outputs the judgment
18
results.
This pin outputs low when the
input level is 0.05µAp-p or
less, and high when the input
level is 0.3µAp-p or more.
AGC GND.
Vcc2
20 AGCCAP2
20
AGC2 response setting.
Connect to VCC2 through a
capacitor.
GND2
–4–