AN15865A
Contents
Overview …………………………………………………………………………………………………………….
Features ……………………………………………………………………………………………………………..
Applications …………………………………………………………………………………………………………
Package …………………………………………………………………………………………………………….
Type …………………………………...…………………………………………………………………………….
Application Circuit Example ……………………………………………………………………………………….
Block Diagram ………………...…………………………………………………………………………………….
Pin Descriptions …………………………………………………………………………………………………….
3
3
3
3
3
4
5
7
Absolute Maximum Ratings ………………………………………………………………………………………. 10
Operating Supply Voltage Range ……………..…………………………………………………………………. 10
Electrical Characteristics …………………………………………………………………………………………. 11
I
2
C Bus Conditions
………………………………………………………………………………………………. 15
Test Circuit Diagram ………………………………………………………………………………………………. 26
Technical Data
……………………………………………………………………………………………………. 27
1. Circuit diagrams of the input/output part and pin function descriptions ……………………………………. 27
2. Notes on video gain………………………………………………………………………………………………. 35
3. Other supplementary matters…………………………………….……………………………………………… 35
Usage Notes ……………………………………….………………………………………………………………. 36
SDB00102AEB
2
AN15865A
AN15865A
The video switch IC including the synchronous separation function for TV
Overview
The
AN15865A has the video switch portion which consists of a five-channel output in a ten-channel input, the synchronous
separation function, the AFC function, and the format detection function. It contributes to the rationalization design of a television
system.
Features
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Support multi scan / Auto format identification 480i, 576i, 480P, 576P, 720P, 1080i, 1152i, 1152i/letter (both 50 Hz & 60 Hz)
Field 1 or 2 monitor out is available
Auto distinction in the selected input (Sync on CV/Y or Sync on SY or no input signal)
Dummy sync output 480i, 576i, 480P, 576P, 720P, 1080i (both 50 Hz & 60 Hz)
Sync separation with AFC w/o external x-tal or clock
2 values, 3 values sync identification
RGB
→
YUV converter (CCIR standard, BTA standard, GBR matrix)
Each output can be switched between LPF (6 MHz) & through
Each output can be switched among 0 dB, 6 dB or mute
Macrovision
Comparators for Pin detection
×4
(Connected / Open)
Comparators for Aspect ratio
×4
(4:3 video / 4:3 letter box / 16:9 video)
High frequency (0 dB at 50 MHz)
Support the I
2
C BUS
Various input mode can be selected by using flexible internal switch
OUTPUT
CV1
CV2
CV3
CV4/SY4/SC4
CV5/SY5/SC5
CV6/SY6/SC6
CV7/SY7/SC7
Y7/U7/V7
Y6/U6/V6
Y5/U5/V5
Y4/U4/V4
Y3(G3)/U3(B3)/V3(R3)
Y2(G2)/U2(B2)/V2(R2)
Y1(G1)/U1(B1)/V1(R1)
H6/V6
H5/V5
H4/V4
H3/V3
H2/V2
H1/V1
Note) *1: Independent HV only
*2: Independent HV or Sync-separated HV
INPUT
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN9
IN10
OUT1 CV1-7/SY4-7/ SC4-7
OUT2 CV1-7(SY4-7)/ SC4-7
OUT3 CV1-7(SY4-7)/ SC4-7
OUT4
OUT5
G(Y1-6)(CV1-7)/B(U1-6)(SY4-7)/
R(V1-6)(SC4-7)
G(Y1-6)(CV1-7)/B(U1-6)(SY4-7)/
R(V1-6)(SC4-7)
H1/V1
*1
H2/V2
*2
Applications
IC for Color TV
Package
80 Pin Plastic High Profile Quad Flat Package (QFP Type)
Type
Silicon Monolithic BICMOS IC
SDB00102AEB
3
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