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TEA1014
VIDEO AND AUDIO SIGNALS SWITCHINGS FOR THE PERI-TELEVISION PLUG
TEA1014
VIDEO AND AUDIO SIGNALS SWITCHINGS
FOR THE PERI-TELEVISION PLUG
GROUND
EXTERNAL VIDEO OUTPUT
INTERNAL VIDEO INPUT
REFERENCE
TIME CONSTANT SWITCHING
SOUND OUTPUT
EXTERNAL SOUND INPUT
EXTERNAL VIDEO INPUT
SUPPLY
INTERNAL VIDEO OUTPUT
BANDIII INFORMATION
VIDEO RECORDER KEY
VIDEO AND SOUND SWITCHING
INTERNAL SOUND INPUT
PIN CONNECTIONS
DIP14
(Plastic Package)
ORDER CODE: TEA1014 VIDEO CROSSTALK:60 dB TYPICAL. LOW IMPEDANCE VIDEO OUTPUT75Ω. SHORT-CIRCUIT PROTECTION OF INPUTS
AND OUTPUTS. INTERNAL HORIZONTAL PLL TIME CON-
STANT SWITCHINGIN CASE OF VIDEO RE-
CORDER RECEPTION
DESCRIPTION
This integrated circuit providesall video and sound
switching allowing connections between the peri- plug and video, sound sectionsin the TV set.
Input and output signal characteristics follow the
NFC 92250/EN 50049 norms.
1014-02.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCC Supply Voltage 18 V
Tstg Storage Temperature Range – 40,+ 150 °C Junction Temperature + 150 °C
Toper Operating Ambient Temperature Range 0to70 °C
1014-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
Rth(j–a) Junction Ambient Thermal Resistance 90 °C/W
1014-02.TBL
ELECTRICAL OPERATING CHARACTERISTICS
(VCC= 12V; Tamb =+25oC, unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
Supply Current, withno Load 37 50 mA
Internal Video Input (coming from pictureFI) (pin3)
Video Signal Amplitude (positive video)Input Voltage Range (referedtoD.C. input Voltage)
Input Impedance
Input Capacitance 2.9
2.5 6.8+ 3.9
VPPV
External Video Input (coming from peri-TV plug) (pin 14)Video Signal Amplitude (positive video)
Input Voltage Range (referedtoD.C. input Voltage)
Input Impedance
Input Capacitance 1.2 2.8 1.6
VPP Video Output (pin 12)Signal Amplitude
Output Voltage Swing (referedtoD.C. output Voltage)
Output Dynamic Impedance
D.C. Output Voltage (without input signal)
Loading Resistance
Video Bandwidth(– 1dB) 1.2
2.8 1.6
VPP
MHz
1014-03.TBL
TEA1014
ELECTRICAL OPERATING CHARACTERISTICS (continued)
(VCC= 12V; Tamb =+25oC, unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
Gain/internal Video
Gain/external Video
–1.5 6.5 1.5
External Video Output (low impedance) (pin2)
Signal Amplitude (on 150Ω grounded)
Output Voltage Swing
Dynamic Output Impedance
D.C. Output Voltage (without input signal)
Minimum Loading Resistance (electrical performance non specified)Gain/internal Video
5.5 3.1 0.5
VPPdB
Output Video Signals Characteristics
Video Rejection between two Inputs(1 MHz)
Differential Group Delay
Linearity DistortionLuma (test line17)
Chroma (test line 331)
Intermodulation Luma–chroma (test line 331)
Supply Voltage Rejection
Internal Sound Input (pin8)
Input Signal
Input Impedance
0.3 Veff
External Sound Input (pin7)
Input Signal
Input Impedance
0.7 Veff
Sound Output (pin6)Output Signal Amplitude
Output Voltage Swing
Distortion (VO= 0.6 Veff)
Bandwidth
Output Impedance
Load Impedance
Gain/internal InputGain/exteranl Input
Supply Voltage Rejection
Crosstalk
Video/sound Crosstalk
0.5 1.511
Veff
Veff
kHzdB
LOGICExternalA.V. Input (peri-TV plug) (pin9)
Unactive Low Levelor Unconnected Pin (logic state0)– (TV receiving)
Active High Level (logic state1) (ext. receiving)
Input Impedance
VCC
”BandIII” Input (pin 11)Unactive Low Levelor Unconnected Pin (logic state0)
Active High Level (logic state1)
Input Impedance High Level
Input Current Low Level
VCC
Video–recorder Key Input (pin 10)
Unactive High Levelor Unconnected Pin (logic state1)
Active Low Level (logic state0)
Input Impedance
VCC
Open Collector Output (time-constant switching) (pin5)
Leakage Current (open collector)
Maximum Low Level Voltage (I(5)= 4mA)
1014-04.TBL
TEA1014
CIRCUIT DESCRIPTION
The main functionsof the I.C. are following:
Video Switching electronically switched inputs: one 2.5VPP input for internal video. one 1VPP input for signal coming from the peri-TV
plug. outputs:
-1VPP output (low impedance 75Ω) for peri-TV
plug.
-1VPP output low impedance for video sectionof
the TV set.
Each input and outputis protected from ground
short-circuit. The 75Ω outputis protected through
a75Ω resistor.
Audio Switching
Two electronically switched inputs: 300mV rms input coming from internal audio. 100mV rms input coming from the peri-TV plug
one low impedance output 300mVRMS.
Inputs and outputs are also protected against
ground short-circuit.
Switching Logic
The logic takes into account the informations on3
pins. Internalor external video and sound (pin8 peri plug) BandIII information Video recorder key.
External Video and Audio signals are selectedin
two cases. When thereisa voltage information coming from
peri-TV plug. When the video recorder keyis selected (on TV
front panel) and programmedon bandIII.
This I.C. includesan internal switch (open collector
transistor) which commutes the time constantof
the horizontal PLL circuitin caseof video recorder
reception.
APPLICATION CIRCUIT
TEA1014
SAFETY INFORMATION FOR CRITICAL APPLICATIONS
Voltageon pin9 must not exceed the VCC voltage pin 13.In caseof riskof over voltage, use the
protectionas describedin Figure2.
All connectionsto Peritel plug are terminatedby low
impedance loads (75W), except the external sound
input. caseof riskof electrostatic discharge, use the
protectionas describedin Figure3.
1014-04.EPS
Figure1: Typical Connection Between Peritel Plug and TEA2014
1014-05.EPS
Figure2
Figure3
TEA1014
8PM-DIP14.EPS
PACKAGE MECHANICAL DATA PINS- PLASTIC DIP
Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max. 0.51 0.020 1.39 1.65 0.055 0.065 0.5 0.020 0.25 0.010 20 0.787 8.5 0.335 2.54 0.100 15.24 0.600 7.1 0.280 5.1 0.201 3.3 0.130 1.27 2.54 0.050 0.100
DIP14.TBL
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forthe consequencesofuse ofsuch informationnor forany infringementof patentsor other rightsof third parties which mayresult
fromits use.No licenceis grantedby implication orotherwise under anypatent orpatent rightsof SGS-THOMSON Microelectronics.
Specifications mentionedin this publicationare subjectto change without notice. This publication supersedes and replacesall
information previously supplied. SGS-THOMSON Microelectronics products arenot authorizedfor useas critical components inlife
support devicesor systems without express written approvalof SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics -All Rights Reserved
PurchaseofI2C Componentsof SGS-THOMSON Microelectronics, conveysa license underthe Philips2C Patent. Rightsto use these componentsinaI2C system,is granted provided that thesystem conformsto
theI2C Standard Specificationsas definedby Philips.
TEA1014

Partno	Mfg	Dc	Qty	Available	Descript
TEA1014	ST	N/a	20	avai	VIDEO AND AUDIO SIGNALS SWITCHINGS FOR THE PERI-TELEVISION PLUG