STMICROELECTRONICS STV2180A

STV2180A
BASE BAND CHROMA DELAY LINE
..
.
..
..
PRELIMINARY DATA
DUAL SWITCHED CAPACITOR DELAY LINE
3MHz CLOCK DERIVED FROM 6MHz VCO
LOCKED BY THE BURST GATE PULSE
SAMPLE AND HOLD CIRCUITS AND LOWPASS FILTERS TO SUPPRESS THE 3MHz
CLOCK RESIDUAL
CLAMPED B-Y AND R-Y INPUTS
OUTPUT BUFFERS
ADJUSTMENT-FREE APPLICATION
DIP14 PACKAGE
DIP14
(Plastic Package)
ORDER CODE : STV2180A
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
NC
1
14
B-YI
B-Y INPUT
R-Y INPUT
R-YI
2
13
NC
Not to Be Connected
R-Y OUTPUT
R-YO
3
12
AGND ANALOG GROUND
B-Y OUTPUT
B-YO
4
11
VCC
SUPPLY VOLTAGE
PLL LOOP FILTER
FPLL
5
10
VINT
INTERNAL SUPPLY
SUPER SAND CASTLE
SSC
6
9
IREF
REF. CURRENT
DIGITAL GROUND DGND
7
8
NC
Not to Be Connected
2180A-01.EPS
Not to Be Connected
February 1997
This is advance information on a new product now in development or undergoing evaluatio n. Details are subject to change without notice.
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STV2180A
BLOCK DIAGRAM
STV2180A
R-YI
R-YO
2
INPUT
CLAMP
DELAY
LINE
SAMPLE
AND
HOLD
LPF
3
14
INPUT
CLAMP
DELAY
LINE
SAMPLE
AND
HOLD
LPF
4
SSC 6
SSC
SELECT
6MHz PLL AND
CLOCK GENERATOR
B-YI
10
VINT
Not to be
connected
TEST
CURRENT
REF
BANDGAP
11
B-YO
FPLL
5
IREF
7
12
DGND
AGND
2180A-02.EPS
VCC
9
ABSOLUTE MAXIMUM RATINGS
V CC
Supply Voltage (Pin 11)
TA
Operating Ambiant Temperature
Tstg
Storage Temperature
R th(j-a)
2/6
Parameter
Junction-Ambiant Thermal Resistance P d = 1W
Value
Unit
11
V
0 to 70
°C
-25 to +150
°C
90
°C/W
2180A-01.TBL
Symbol
STV2180A
ELECTRICAL CHARACTERISTICS
Tamb = 25oC, VCC = 9V, R9 = 4.02kΩ, unless otherwise specified
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
8.5
9
9.5
V
SUPPLY/VREF (Pins 11 and 10)
VCC
Supply Voltage
ICC
Supply Current
Pd
Power Consumption
Vint
Internal Voltage
VCC = 9V
15
25
mA
135
240
mW
7
V
SAND CASTLE INPUT (Pin 6)
FSSC
Burst Gate Frequency
VTH
Threshold Voltage (Burst Gate)
C in
Input Capacitance
No input signal
14.5
15.625
16.5
kHz
3.2
3.5
3.8
V
12
pF
COLOR DIFFERENCE INPUT SIGNALS (Pins 2 and 14)
R-Y IPN
R-Y IS
B-Y IPN
B-Y IS
R-Y Typical Input Signal PAL & NTSC
Peak-to-peak value
525
R-Y Typical Input Signal SECAM
Peak-to-peak value
1.05
VPP
B-Y Typical Input Signal PAL & NTSC
Peak-to-peak value
665
mVPP
B-Y Typical Input Signal SECAM
Peak-to-peak value
1.33
VPP
R in
Input Resistance
C in
Input Capacitance
VClamp
Clamping Voltage
IClamp
Clamping Current
mVPP
10
kΩ
12
Vin = VClamp ±0.2V
pF
2.7
V
±50
µA
COLOR DIFFERENCE OUTPUT SIGNALS (Pins 3 and 4)
B-Y O
B-Y Output Signal
Peak-to-peak value
R-Y O
1.8
VPP
R-Y Output Signal
Peak-to-peak value
1.8
VPP
DG
Differential Gain
SECAM Vn/Vn-1 : Vin = 1VPP
-0.4
0
+0.4
dB
GPN
PAL-NTSC Gain
Vin = 0.5VPP
5.8
6.3
6.8
dB
SECAM Gain
Vin = 1VPP
-0.5
0
+0.5
RMS Noise Voltage
Ri = 300Ω
BW = 10kHz to 1MHz
GS
VNoise
R out
Delay
Non Delay
TR
2
Output Resistance
Ω
200
Delayed Signal Delay
Referred to non delayed output
63.93
64
Non Delayed Signal Delay
Referred to input
100
Output Signal Transient Time
500ns transient input signal
650
dB
mVRms
64.07
µs
ns
1000
ns
ICharg
Charging Current
100
µA
VPLL
DC Voltage
3.5
V
1.15
V
2180A-02.TBL
PLL FILTER LOOP (Pin 5)
CURRENT REFERENCE (Pin 9)
VDC
DC Voltage
R9 = 4.02kΩ to ground
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STV2180A
INPUT/OUTPUT PIN CONFIGURATION
Pins 7, 11, 12 : DGND, VCC, AGND
SUPPLY
11 VOLTAGE
VCC
11
ESD
PROT
BANDGAP
2180A-03.EPS
INTERNAL
10 SUPPLY
VINT
Pins 2, 14 : R-YI, B-YI
SUPPLY
VOLTAGE
VCC
ESD
PROT
12
7
ANALOG
GROUND
AGND
DIGITAL
GROUND
DGND
2180A-04.EPS
Pins 10, 11 : VINT and VCC
Pins 3, 4 : R-YO, B-YO
VCC
VINT
VCC
R-Y AND B-Y
INPUTS
Pins 2 and 14
2.5V
2180A-05.EPS
Pin 6 : SSC
AGND
2180A-06.EPS
R-Y AND B-Y
OUTPUTS
Pins 3 and 4
BG
AGND
Pin 9 : IREF
VINT
VINT
2.5V
VCC
VCC
6
DGND
DGND
9
2180A-08.EPS
IREF
2180A-07.EPS
SUPER SAND
CASTLE INPUT
SSC
AGND
Pin 5 : FPLL
VINT
VCC
PLL LOOP
FILTER
5
DGND
4/6
2180A-09.EPS
BG
STV2180A
TYPICAL APPLICATION
9V
10Ω
10nF
VCC 11
3 R-YO
10 to 100nF
close to Pin
10nF
47µF
4 B-YO
10nF
STV2180A
14 B-YI
VINT 10
100nF
10nF
2 R-YI
R9
6 SSC
DGND
AGND
FPLL
7
12
5
4.7nF
IREF 9
4.02kΩ 1%
15kΩ
2180A-10.EPS
STV2118
1µF
5/6
STV2180A
PM-DIP14.EPS
PACKAGE MECHANICAL DATA
14 PINS - PLASTIC PACKAGE
a1
B
b
b1
D
E
e
e3
F
I
L
Z
Min.
0.51
1.39
Millimeters
Typ.
Max.
1.65
Min.
0.020
0.055
0.5
0.25
Inches
Typ.
0.065
0.020
0.010
20
0.787
8.5
2.54
15.24
0.335
0.100
0.600
7.1
5.1
0.280
0.201
3.3
1.27
Max.
0.130
2.54
0.050
0.100
Information furni shed is believed to be accurate and reliable. However, SGS-THOMSON Micr oelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise und erany patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This pu blication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
 1997 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I 2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to
the I2C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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DIP14.TBL
Dimensions