Page 1
.
DUALSWITCHEDCAPACITORDELAYLINE
.
3MHz CLOCK DERIVED FROM 6MHz VCO
LOCKEDBY THE BURST GATEPULSE
.
SAMPLE AND HOLD CIRCUITS AND LOWPASS FILTERS TO SUPPRESS THE 3MHz
CLOCKRESIDUAL
.
CLAMPEDB-YAND R-YINPUTS
.
OUTPUTBUFFERS
.
ADJUSTMENT-FREE APPLICATION
.
DIP14PACKAGE
STV2180A
BASE BAND CHROMADELAY LINE
PRELIMINARY DATA
DIP14
(PlasticPackage)
DESCRIPTION
TheSTV2180Aisan integratedbaseband chroma
delay line with one line delay, which has been
designed to match chroma decoders with colour
differencesignal outputs (R-Y) and (B-Y).
PIN CONNECTIONS
Not to Be Connected
R-Y INPUT
R-Y OUTPUT
B-Y OUTPUT
PLL LOOP FILTER
SUPER SANDCASTLE
DIGITAL GROUND
R-YI
R-YO
B-YO
FPLL
SSC
DGND
1
2
3
4
5
6
7
ORDER CODE :
14
13
12
11
10
9
8
B-YINC
NC
AGND
V
CC
V
INT
I
REF
NC
STV2180A
B-Y INPUT
Not to Be Connected
ANALOGGROUND
SUPPLYVOLTAGE
INTERNAL SUPPLY
REF. CURRENT
Not toBe Connected
February 1997
This is advance information on a newproductnow in development or undergoing evaluation. Detailsare subject to change without notice.
2180A-01.EPS
1/6
Page 2
STV2180A
BLOCKDIAGRAM
R-YI
INPUT
2 3
CLAMP
DELAY
LINE
SAMPLE
AND
HOLD
STV2180A
R-YO
LPF
B-YI
SSC
14
6
INPUT
CLAMP
SSC
SELECT
V
CC
FPLL
SAMPLE
AND
HOLD
5
CURRENT
REF
I
REF
TEST
791011 12
DELAY
LINE
6MHz PLL AND
CLOCK GENERATOR
BANDGAP
V
INT
DGND AGND
B-YO
4LPF
Not to be
connected
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
Supply Voltage (Pin 11) 11 V
Operating Ambiant Temperature 0 to 70 °C
Storage Temperature -25 to +150 °C
Junction-Ambiant Thermal Resistance Pd=1W 90 °C/W
R
V
T
T
th(j-a)
CC
A
stg
2180A-02.EPS
2180A-01.TBL
2/6
Page 3
STV2180A
ELECTRICAL CHARACTERISTICS
T
=25oC, VCC= 9V,R9 = 4.02kΩ, unless otherwisespecified
amb
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SUPPLY/V
V
CC
I
CC
P
d
V
int
SAND CASTLEINPUT (Pin 6)
FSSC Burst Gate Frequency No input signal 14.5 15.625 16.5 kHz
V
TH
C
in
COLOR DIFFERENCE INPUT SIGNALS (Pins 2 and 14)
R-Y IPN R-Y Typical Input Signal PAL & NTSC Peak-to-peak value 525 mV
R-Y IS R-Y Typical Input Signal SECAM Peak-to-peak value 1.05 V
B-Y IPN B-Y Typical Input Signal PAL & NTSC Peak-to-peak value 665 mV
B-Y IS B-Y Typical Input Signal SECAM Peak-to-peak value 1.33 V
R
in
C
in
V
Clamp
I
Clamp
COLOR DIFFERENCE OUTPUT SIGNALS (Pins 3 and 4)
B-Y O B-Y Output Signal Peak-to-peak value 1.8 V
R-Y O R-Y OutputSignal Peak-to-peak value 1.8 V
DG Differential Gain SECAM Vn/V
GPN PAL-NTSC Gain V
GS SECAM Gain V
V
Noise
R
out
Delay Delayed Signal Delay Referredto non delayed output 63.93 64 64.07 µs
Non Delay Non Delayed Signal Delay Referred to input 100 ns
TR Output Signal Transient Time 500ns transient input signal 650 1000 ns
PLL FILTER LOOP (Pin 5)
I
Charg
V
PLL
CURRENT REFERENCE (Pin 9)
V
DC
(Pins 11 and 10)
REF
Supply Voltage 8.5 9 9.5 V
Supply Current 15 25 mA
Power Consumption VCC= 9V 135 240 mW
Internal Voltage 7 V
Threshold Voltage (Burst Gate) 3.2 3.5 3.8 V
Input Capacitance 12 pF
Input Resistance 10 kΩ
Input Capacitance 12 pF
Clamping Voltage 2.7 V
Clamping Current Vin=V
= 0.5V
in
=1V
in
RMS Noise Voltage Ri = 300Ω
±0.2V ±50 µA
Clamp
PP
PP
n-1:Vin
=1V
-0.4 0 +0.4 dB
PP
5.8 6.3 6.8 dB
-0.5 0 +0.5 dB
2mV
BW = 10kHz to 1MHz
Output Resistance 200 Ω
Charging Current 100 µA
DC Voltage 3.5 V
DC Voltage R9 = 4.02kΩ to ground 1.15 V
PP
PP
PP
PP
PP
PP
Rms
2180A-02.TBL
3/6
Page 4
STV2180A
INPUT/OUTPUT PIN CONFIGURATION
Pins10, 11: V
INT
andV
CC
11
SUPPLY
VOLTAGE
V
CC
Pins 7, 11, 12 : DGND, VCC, AGND
SUPPLY
VOLTAGE
11
V
CC
BANDGAP
Pins2, 14: R-YI, B-YI
V
R-Y AND B-Y
INPUTS
Pins 2 and 14
AGND
Pin6 :SSC
SUPERSAND
CASTLE INPUT
6
SSC
INTERNAL
SUPPLY
10
V
ESD
PROT
INT
ANALOG
GROUND
AGND
2180A-03.EPS
ESD
PROT
712
DIGITAL
GROUND
DGND
2180A-04.EPS
Pins 3, 4 : R-YO, B-YO
CC
BG
2.5V
2180A-05.EPS
Pin 9 : I
V
V
INT
INT
V
CC
REF
I
9
REF
V
2.5V
CC
V
INT
AGND
V
CC
R-Y AND B-Y
OUTPUTS
Pins 3 and 4
2180A-06.EPS
4/6
DGND
Pin 5 : FPLL
DGND
V
INT
BG
DGND
2180A-07.EPS
PLL LOOP
FILTER
5
AGND
V
CC
2180A-09.EPS
2180A-08.EPS
Page 5
TYPICALAPPLICATION
10nF
10nF
10nF
10nF
14
3
4
2
6
R-YO
B-YO
B-YI
R-YI
SSC
STV2180A
9V
10
Ω
V
11
CC
15k
V
10
INT
I
9
REF
Ω
STV2180ASTV2118
FPLLAGNDDGND
7
12
5
4.7nF
100nF
4.02k
1
µF
10 to 100nF
close to Pin
R9
Ω 1%
47µF
2180A-10.EPS
5/6
Page 6
STV2180A
PACKAGE MECHANICAL DATA
14 PINS - PLASTICPACKAGE
Dimensions
Min. Typ. Max. Min. Typ. Max.
Millimeters Inches
a1 0.51 0.020
B 1.39 1.65 0.055 0.065
b 0.5 0.020
b1 0.25 0.010
D 20 0.787
E 8.5 0.335
e 2.54 0.100
e3 15.24 0.600
F 7.1 0.280
I 5.1 0.201
L 3.3 0.130
Z 1.27 2.54 0.050 0.100
Informationfurnishedisbelieved to be accurate and reliable.However,SGS-THOMSON Microelectronics assumes no responsibility
for theconsequences of use of such information nor for any infringementof patents or other rights of third parties whichmay result
from its use. No licence is granted by implication orotherwise underanypatentor patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
informationpreviously supplied. SGS-THOMSONMicroelectronicsproducts are notauthorized for use as criticalcomponents in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1997 SGS-THOMSONMicroelectronics- All Rights Reserved
PM-DIP14.EPS
DIP14.TBL
6/6
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
2
C Patent. Rights to use these components in a I2C system, is granted provided that the systemconforms to
I
Australia - Brazil - Canada - China- France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta- Morocco
The Netherlands - Singapore - Spain - Sweden- Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
2
the I
C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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