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PDF MN88831 Data sheet ( Hoja de datos )
| Número de pieza | MN88831 | |
| Descripción | PCM Audio Decoder LSI for Satellite Broadcasting Tuners | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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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 VP-P input
Applications
Satellite broadcasting tuners (BS, CS)
Pin Assignment
PO1
PO2
PO3
PO4
PC
DVSS
IVI
IVO
XI
XO
IIN
OIN
37
38
39
40
41
42
43
44
45
46
47
48
24 NTI
23 NLOCK
22 NRES
21 DVSS
20 AVDDR
19 VREF
18 OUTR
17 AVSSR
16 BIAS
15 AVSSL
14 OUTL
13 AVDDL
(TOP VIEW)
QFP048-P-1212A
1 page  
For Video Equipment
Application Circuit Example
MN88831
MN88831’s built-in
final differential addition filter
Switched capacitor block output
OUTL–
OUTL+
approx.
MI 100Ω
OUT
OUTL 680Ω 33µF
PI
4700pF
18kΩ
Reference voltage
Bias voltage for operational amplifier
BIAS
+
22µF
VREF
+
22µF
Structure of Analog Post Filter and Sample Analog Connections
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MN88831.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| MN88831 | PCM Audio Decoder LSI for Satellite Broadcasting Tuners | Panasonic Semiconductor |
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