STV2180A Datasheet, PDF (1/6 Pages) STMicroelectronics – BASE BAND CHROMA DELAY LINE

STV2180A
BASE BAND CHROMA DELAY LINE
. _{DUAL SWITCHED CAPACITOR DELAY LINE}
. _{3MHz CLOCK DERIVED FROM 6MHz VCO}
LOCKED BY THE BURST GATE PULSE
. _{SAMPLE AND HOLD CIRCUITS AND LOW-}
.... ^{PASS FILTERS TO SUPPRESS THE 3MHz}
CLOCK RESIDUAL
CLAMPED B-Y AND R-Y INPUTS
OUTPUT BUFFERS
ADJUSTMENT-FREE APPLICATION
DIP14 PACKAGE
PRELIMINARY DATA
DESCRIPTION
The STV2180Ais an integrated base band chroma
delay line with one line delay, which has been
designed to match chroma decoders with colour
difference signal outputs (R-Y) and (B-Y).
PIN CONNECTIONS
DIP14
(Plastic Package)
ORDER CODE : STV2180A
Not to Be Connected NC
1
R-Y INPUT R-YI
2
R-Y OUTPUT R-YO
3
B-Y OUTPUT B-YO
4
PLL LOOP FILTER FPLL
5
SUPER SAND CASTLE SSC
6
DIGITAL GROUND DGND
7
14 B-YI B-Y INPUT
13 NC Not to Be Connected
12 AGND ANALOG GROUND
11
V_CC
SUPPLY VOLTAGE
10
V_INT
INTERNAL SUPPLY
9
I_REF
REF. CURRENT
8 NC Not to Be Connected
February 1997
1/6
This is advance information on a new product now in development or undergoing evaluatio n. Details are subject to change without notice.