MN88831 Datasheet, PDF (1/6 Pages) Panasonic Semiconductor – PCM Audio Decoder LSI for Satellite Broadcasting Tuners (Includes Built-In Digital Filter and D/A Converter)

For Video Equipment
MN88831
PCM Audio Decoder LSI for Satellite Broadcasting Tuners
(Includes Built-In Digital Filter and D/A Converter)
Overview
The MN88831 greatly streamlines set design by incor-
porating a satellite broadcasting PCM audio decoder, a
switched capacitor D/A converter, and analog post filter
to a single chip.
Features
Built-in digital filter using 8-fold oversampling
Built-in tertiary ∆-∑ noise shaping D/A converter
Reduced jitter noise through use of switched
capacitor configuration
Built-in analog post filter
Built-in digital de-emphasis circuit
Choice of microcomputer interfaces with selector pin:
3-wired serial interface or I²C interface
Muting function supporting following settings
• Pay-per-view flag detection
• Error frequency detection
• Detection of control code bit-7
Built-in general-purpose microcomputer I/O port
Bit stream input pin supporting 0.4 V_P-P input
Applications
Satellite broadcasting tuners (BS, CS)
Pin Assignment
PO1 37
PO2 38
PO3 39
PO4 40
PC 41
DV_SS
42
IV_I
43
IV_O
44
XI 45
XO 46
IIN 47
OIN 48
24 NTI
23 NLOCK
22 NRES
21
DV_SS
20
AV_DDR
19
V_REF
18 OUTR
17
AV_SSR
16 BIAS
15
AV_SSL
14 OUTL
13
AV_DDL
(TOP VIEW)
QFP048-P-1212A