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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
Not to Be Connected R-Y INPUT
NC R-YI
1 2 3 4 5 6 7
14 13
B-YI NC
B-Y INPUT Not to Be Connected
R-Y OUTPUT B-Y OUTPUT PLL LOOP FILTER SUPER SAND CASTLE
R-YO B-YO FPLL SSC
12 11 10 9 8
AGND ANALOG GROUND VCC VINT IREF NC SUPPLY VOLTAGE INTERNAL SUPPLY REF. CURRENT Not to Be Connected
DIGITAL GROUND DGND
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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2180A-01.EPS
STV2180A
BLOCK DIAGRAM
STV2180A
R-YI 2 INPUT CLAMP DELAY LINE SAMPLE AND HOLD R-YO LPF 3
B-YI 14 INPUT CLAMP DELAY LINE
SAMPLE AND HOLD
B-YO LPF 4
SSC 6
SSC SELECT
6MHz PLL AND CLOCK GENERATOR
TEST
Not to be connected
BANDGAP
CURRENT REF
11 VCC
10 VINT
FPLL
5
9
IREF
7 DGND
12 AGND
ABSOLUTE MAXIMUM RATINGS
Symbol V CC TA Tstg R th(j-a) Supply Voltage (Pin 11) Operating Ambiant Temperature Storage Temperature Junction-Ambiant Thermal Resistance P d = 1W Parameter Value 11 0 to 70 -25 to +150 90 Unit V C C/W
2180A-01.TBL
C
2/6
2180A-02.EPS
STV2180A
ELECTRICAL CHARACTERISTICS Tamb = 25oC, VCC = 9V, R9 = 4.02k, unless otherwise specified
Symbol Parameter Test Conditions Min. Typ. Max. Unit SUPPLY/VREF (Pins 11 and 10) VCC ICC Pd Vint Supply Voltage Supply Current Power Consumption Internal Voltage VCC = 9V 8.5 9 15 135 7 9.5 25 240 V mA mW V
SAND CASTLE INPUT (Pin 6) FSSC VTH C in Burst Gate Frequency Threshold Voltage (Burst Gate) Input Capacitance No input signal 14.5 3.2 15.625 3.5 16.5 3.8 12 kHz V pF
COLOR DIFFERENCE INPUT SIGNALS (Pins 2 and 14) R-Y IPN R-Y IS B-Y IPN B-Y IS R in C in VClamp IClamp R-Y Typical Input Signal PAL & NTSC R-Y Typical Input Signal SECAM B-Y Typical Input Signal PAL & NTSC B-Y Typical Input Signal SECAM Input Resistance Input Capacitance Clamping Voltage Clamping Current Vin = VClamp 0.2V 2.7 50 Peak-to-peak value Peak-to-peak value Peak-to-peak value Peak-to-peak value 10 12 525 1.05 665 1.33 mVPP VPP mVPP VPP k pF V A
COLOR DIFFERENCE OUTPUT SIGNALS (Pins 3 and 4) B-Y O R-Y O DG GPN GS VNoise R out Delay Non Delay TR B-Y Output Signal R-Y Output Signal Differential Gain PAL-NTSC Gain SECAM Gain RMS Noise Voltage Output Resistance Delayed Signal Delay Non Delayed Signal Delay Output Signal Transient Time Referred to non delayed output Referred to input 500ns transient input signal 63.93 Peak-to-peak value Peak-to-peak value SECAM Vn/Vn-1 : Vin = 1VPP Vin = 0.5VPP Vin = 1VPP Ri = 300 BW = 10kHz to 1MHz -0.4 5.8 -0.5 0 6.3 0 2 200 64 100 650 1000 64.07 1.8 1.8 +0.4 6.8 +0.5 VPP VPP dB dB dB mVRms s ns ns A
2180A-02.TBL
PLL FILTER LOOP (Pin 5) ICharg VPLL Charging Current DC Voltage 100 3.5 V
CURRENT REFERENCE (Pin 9) VDC DC Voltage R9 = 4.02k to ground 1.15 V
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STV2180A
INPUT/OUTPUT PIN CONFIGURATION Pins 10, 11 : VINT and VCC
SUPPLY 11 VOLTAGE VCC
Pins 7, 11, 12 : DGND, VCC, AGND
SUPPLY VOLTAGE VCC ESD PROT
7
11
BANDGAP INTERNAL 10 SUPPLY VINT
2180A-03.EPS
ESD PROT
12
ANALOG GROUND AGND
DIGITAL GROUND DGND
Pins 2, 14 : R-YI, B-YI
VCC
Pins 3, 4 : R-YO, B-YO
VINT VCC
R-Y AND B-Y INPUTS Pins 2 and 14 BG AGND 2.5V
R-Y AND B-Y OUTPUTS Pins 3 and 4
2180A-05.EPS 2180A-06.EPS 2180A-08.EPS 2180A-09.EPS
AGND
Pin 6 : SSC
VINT VCC VINT
Pin 9 : IREF
2.5V
VCC
SUPER SAND CASTLE INPUT SSC 6
IREF
DGND DGND
2180A-07.EPS
9
AGND
Pin 5 : FPLL
VINT
VCC PLL LOOP FILTER 5 BG
DGND
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2180A-04.EPS
STV2180A
TYPICAL APPLICATION
9V
10 10nF
3 R-YO
VCC 11
10nF
4 B-YO
10 to 100nF close to Pin
47F
10nF
STV2118
10nF
14 B-YI
STV2180A
VINT 10 100nF
2 R-YI
R9
6 SSC
DGND
7
AGND
12
FPLL
5
IREF 9 4.02k 1% 15k
4.7nF
1F
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2180A-10.EPS
STV2180A
PACKAGE MECHANICAL DATA 14 PINS - PLASTIC PACKAGE
Dimensions 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
Inches Typ.
Max. 0.065
0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 1.27 2.54 0.050
0.020 0.010 0.787 0.335 0.100 0.600 0.280 0.201 0.130 0.100
DIP14.TBL
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. (c) 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 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.
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PM-DIP14.EPS

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