STV0056A Datasheet, PDF (1/26 Pages) STMicroelectronics – SATELLITE SOUND AND VIDEO PROCESSORS

STV0056A
SATELLITE SOUND AND VIDEO PROCESSOR
SOUND
. TWO INDEPENDENT SOUND DEMODULA-
TORS
. PLL DEMODULATION WITH 5-10MHz FRE-
QUENCY SYNTHESIS
. PROGRAMMABLE FM DEMODULATOR
BANDWIDTH ACCOMODATING FM DEVIA-
TIONS FROM ±30kHz TILL ±400kHz
. PROGRAMMABLE 50/75µs, J17 OR NO DE-
EMPHASIS
. _{WEGENER PANDA SYSTEM}
. _{TWO AUXILIARY AUDIO INPUTS AND OUT-}
PUTS
. GAIN CONTROLLED AND MUTEABLE
AUDIO OUTPUTS
. HIGH IMPEDANCE MODE AUDIO OUTPUTS
FOR TWIN TUNER APPLICATIONS
VIDEO
. COMPOSITE VIDEO 6-bit 0 to 12.7dB GAIN
CONTROL
. COMPOSITE VIDEO SELECTABLE IN-
VERTER
. TWO SELECTABLE VIDEO DE-EMPHASIS
NETWORKS
. _{6 x 3 VIDEO MATRIX}
. _{BLACK LEVEL ADJUSTABLE OUTPUT FOR}
ON-BOARD VIDEOCRYPT DECODER
. HIGH IMPEDANCE MODE VIDEO OUTPUTS
FOR TWIN TUNER APPLICATIONS
MISCELLANEOUS
. 22kHz TONE GENERATION FOR LNB CON-
TROL
. I2C BUS CONTROL
CHIP ADDRESSES = 06_HEX OR 46_HEX
. LOW POWER STAND-BY MODE WITH AC-
TIVE AUDIO AND VIDEO MATRIXES
DESCRIPTION
The STV0056A BICMOS integrated circuit realizes
all the necessary signal processing from the tuner
to the Audio/Video input and output connectors
regardless the satellite system.
ADVANCE DATA
SHRINK56
(Plastic Package)
ORDER CODE : STV0056A
PIN CONNECTIONS
FC R
1
PK IN R
2
LEVEL R
3
S1 VID RTN
4
S3 VID RTN
5
VOL R
6
S3 VID OUT 7
S1 VID OUT
8
S2 VID OUT
9
VOL L
10
S2 VID RTN
11
S2 OUT L
12
CLAMP IN
13
S2 OUT R
14
UNCL DEEM
15
VIDEEM2/22kHz 16
V 12V
17
VIDEEM1 18
V GND
19
B-BAND IN
20
S2 RTN L
21
S2 RTN R
22
FM IN
23
S3 RTN L
24
S3 RTN R
25
AGC L
26
S3 OUT L
27
S3 OUT R
28
56 A GND R
55 ^{FC L}
54 ^{PK IN L}
53 LEVEL L
52 PK OUT L
51 PK OUT R
50
I_REF
49 ^{CPUMP R}
48 U75 R
47 DET R
46 AMPLK R
45 A 12V
44
V_REF
43 A GND L
42 AGC R
41 AMPLK L
40 U75 L
39 DET L
38 CPUMP L
37 GND 5V
36
V_DD 5V
35 XTL
34 J17 L
33 J17 R
32 HA
31 SDA
30 SCL
29 I/O/22kHz
September 1996
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
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