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STV3012 Dataheets PDF



Part Number STV3012
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description REMOTE CONTROL TRANSMITTER FOR AUDIO AND VIDEO APPLICATIONS
Datasheet STV3012 DatasheetSTV3012 Datasheet (PDF)

( DataSheet : www.DataSheet4U.com ) STV3012 REMOTE CONTROL TRANSMITTER FOR AUDIO AND VIDEO APPLICATIONS . . . . . . . . . . . PRELIMINARY DATA TWO TIMING AND DATA FORMAT MODES 7 SUB-SYSTEM ADDRESSES UP TO 64 COMMANDS PER SUB-SYSTEM ADDRESS KEY RELEASE DETECTION BY TOGGLE BIT (1 toggle bit in mode A and 2 toggle bits in mode B) HIGH CURRENT REMOTE OUTPUT AT VDD = 3V (-IOH = 80mA) VERY LOW STAND-BY CURRENT (< 2µA) 1mA OPERATIONAL CURRENT AT 6V SUPPLY CERAMIC RESONATOR CONTROLLED FREQUENCY (typ.

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( DataSheet : www.DataSheet4U.com ) STV3012 REMOTE CONTROL TRANSMITTER FOR AUDIO AND VIDEO APPLICATIONS . . . . . . . . . . . PRELIMINARY DATA TWO TIMING AND DATA FORMAT MODES 7 SUB-SYSTEM ADDRESSES UP TO 64 COMMANDS PER SUB-SYSTEM ADDRESS KEY RELEASE DETECTION BY TOGGLE BIT (1 toggle bit in mode A and 2 toggle bits in mode B) HIGH CURRENT REMOTE OUTPUT AT VDD = 3V (-IOH = 80mA) VERY LOW STAND-BY CURRENT (< 2µA) 1mA OPERATIONAL CURRENT AT 6V SUPPLY CERAMIC RESONATOR CONTROLLED FREQUENCY (typ. 450kHz) MODULATED TRANSMISSION SUPPLY VOLTAGE RANGE 2V TO 6.5V LOW NUMBER OF EXTERNAL COMPONENTS DIP20 (Plastic Package) ORDER CODE : STV3012 PIN CONNECTIONS REMO 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD SEN6N SEN5N SEN4N SEN3N SEN2N DRV6N DRV5N DRV4N DRV3N DRV2N DESCRIPTION The STV3012 is a general purpose infrared remote control transmitter system for low voltage supply applications. It is able to generate a total number of 448 commands which are divided into 7 sub-system groups with 64 commands each. The sub-system code may be selected by a press button, a slider switch or hard wired. Two different timing and data format modes are available. March 1993 SEN1N SEN0N ADRM V SS DRV1N DRV0N OSCO OSCI 3012-01.EPS 1/8 This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice. www.DataSheet4U.com www.DataSheet4U.com STV3012 BLOCK DIAGRAM OSCO 12 OSCILLATOR OSCI 11 DIVIDER MASTER CLEAR 20 VDD 10 VSS SEN6N SEN5N SEN4N SEN3N SEN2N SEN1N SEN0N 2 3 4 5 6 7 8 PARALLEL /SERIAL CONVERTER KEYBOARD ENCODER ADDRESS LATCHES SYST. CONTR 9 ADRM 19 DRV6N 18 DRV5N KEYBOARD DRIVER DECODER 17 DRV4N 16 DRV3N 15 DRV2N 14 DRV1N 3012-02.EPS REMO 1 REMOTE 13 DRV0N ABSOLUTE MAXIMUM RATINGS Symbol VDD VI VO ±I - I(REMO) Ptot Tstg Toper Parameter Supply Voltage Input Voltage Output Voltage D.C. Current into any input or output Peak REMO Output Current during 10µs, duty factor = 1% Power Dissipation per package for Tamb = - 20 to + 70oC Storage Temperature Operating Ambient Temperature Value - 0.3, 7.0 - 0.3, VDD + 0.3 - 0.3, VDD + 0.3 10 300 200 - 55, + 125 -20, + 70 Unit V V V mA mA mW o C o C 3012-01.TBL 3012-02.TBL ELECTRICAL CHARACTERISTICS VSS = 0V, TA = 25oC (unless otherwise specified) Symbol VDD IDD Parameter Supply Voltage Supply Current Test Conditions TA = 0 to + 70oC • Active fOSC = 455kHz VDD = 3V REMO Output unload VDD = 6V • Inactive (stand-by mode) VDD = 6V VDD = 2 to 6.5V (ceramic resonator) VDD = VDD = VDD = VDD = 2 to 6.5V 2 to 6.5V 2V, VI = 0V 6.5V, VI = 0V Min. 2 Typ. 0.25 1.0 350 Max. 6.5 0.5 2 2 600 0.3 x VDD 0.7 x VDD 10 100 100 600 1 0.3 0.6 10 Unit V mA mA µA kHz V V µA µA µA V V µA fOSC VIL VIH - II II VOL IO 2/8 Oscill. Frequency Input Voltage Low Input Voltage High Input Current Input Leakage Current Output Voltage "ON" Output Current "OFF" KEYBOARD MATRIX - Inputs SEN0N to SEN6N VDD = 6.5V, VI = VDD VDD = 2V, IO = 0.1mA VDD = 6.5V.


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