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. 1/6 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 3/6 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 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. 6/6 DIP14.TBL Dimensions