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| TEA2124 VIDEO SWITCH . . . . . 2 VIDEO OUTPUTS WITH 150 LOAD DRIVE CAPABILITY DYNAMIC OUTPUT AMPLITUDE 4 VPP ON EACH OUTPUT BANDWIDTH 18MHz TYP CLAMPED VIDEO INPUTS FULL PROTECTION AGAINST ESD DIP8 (Plastic Package) ORDER CODE : TEA2124 DESCRIPTION This integrated circuit provides general video switches. It is particularly intended for switching between the peri TV plug and video section of the sets. Its electrical performances make it suitable for wide bandwidth applications (Teletext, D2MAC). PIN CONNECTIONS GROUND 1 8 EXTERNAL VIDEO INPUT EXTERNAL VIDEO OUTPUT 2 7 SUPPLY VOLTAGE INTERNAL VIDEO INPUT 3 6 SWITCHED VIDEO OUTPUT NOT TO BE USED 4 5 SWITCHING INPUT September 1998 1/4 2124-01.EPS TEA2124 BLOCK DIAGRAM V CC SWITCH 7 5 EXT. VIDEO 8 6dB 75W 6 INT. VIDEO 3 6dB 75W 75W 6dB 2 75W TEA2124 1 2124-02.EPS ABSOLUTE MAXIMUM RATINGS Symbol VCC Tj Tstg Supply Voltage Junction Temperature Storage Temperature Parameter Value 14 - 40, + 150 - 40, + 150 Unit o o C C ELECTRICAL CHARACTERISTICS TA = 25oC, VCC = 8V (unless otherwise specified) Symbol VCC ICC ICC Supply Voltage Supply Current (no load Pin 2 and Pin 6) Supply Current (with load 150 on Pin 2 and Pin 6, no video on inputs) Parameter Min. 6.5 10 25 Typ. Max. 13.2 15 Unit V mA mA INPUTS (Pin 3 and Pin 8) VDCIN IIN DC Level Input Input Bias Current (VDC = VDCIN + 1.5 VDC) 1.6 1.9 1 2.2 5 V A 2124-02.TBL Video Input Swing 2 VPP 2/4 2124-01.TBL V TEA2124 ELECTRICAL CHARACTERISTICS (continued) TA = 25oC, VCC = 8V (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit SWITCHED OUTPUT (Pin 6) (RLOAD = 150) Video Output Swing DC Level Output Video Gain (Pin 6 versus Pin 3 or Pin 8, measured at 100kHz, 1 VPP input signal) Video Bandwidth (Pin 6 versus Pin 3 or Pin 8, 1VPP input signal) Output Impedance (measured Pin 6) EXTERNAL OUTPUT (Pin 2) (RLOAD = 150) Video Output Swing DC Level Output Video Gain (Pin 2 versus Pin 3, measured at 100kHz, 1 VPP input signal) Video Bandwidth (Pin 2 versus Pin 3, 1VPP input signal) Output Impedance (measured Pin 2) SWITCHING INPUT (Pin 5) Output Current Selection Pin (V5 = 0V) Threshold Voltage Max DC Level OTHER DYNAMIC FEATURES Crosstalk (between any input, measured at 5MHz) RLOAD = 150 on Pins 2 and 6 RLOAD = 1k on Pins 2 and 6 - 50 -55 dB dB 2124-03.TBL 3 0.7 5.5 12 4 1 6 18 1 1.3 6.5 VPP V dB MHz VPP 1.3 6.5 V dB MHz 10 A V V 3 0.7 5.5 12 4 1 6 18 1 2.5 3.7 5 VCC 3/4 TEA2124 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Dimensions A a1 B b b1 D E e e3 e4 F I L Z Min. 0.51 1.15 0.356 0.204 7.95 Millimeters Typ. 3.32 Max. Min. 0.020 0.045 0.014 0.008 0.313 Inches Typ. 0.131 Max. 1.65 0.55 0.304 10.92 9.75 2.54 7.62 7.62 6.6 5.08 3.81 1.52 0.065 0.022 0.012 0.430 0.384 0.100 0.300 0.300 0260 0.200 0.150 0.060 Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1998 STMicroelectronics - All Rights Reserved Purchase of I2C Components of STMicroelectronics, 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. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 4/4 DIP8.TBL 3.18 0.125 PM-DIP8.EPS |
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