AMPLIFIER WITH DEMODULATOR SUPPLY VOLTAGE SUPPLY CURRENT 50mA I.F

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AMPLIFIER WITH DEMODULATOR SUPPLY VOLTAGE SUPPLY CURRENT 50mA I.F

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TDA2540 TDA2541
AMPLIFIER WITH DEMODULATOR
SUPPLY VOLTAGE SUPPLY CURRENT 50mA I.F. INPUT VOLTAGE SENSITIVITY 38.9MHz 85µVRMS VIDEO OUTPUT VOLTAGE (white synchro) 2.7VPP I.F. VOLTAGE GAIN CONTROL RANGE 64dB SIGNAL NOISE RATIO 10mV 58dB A.F.C. OUTPUT VOLTAGE SWING 100kHz
DESCRIPTION TDA2540 2541 amplifier A.M. demodulator circuits colour black white television receivers using tuners. They intended reception negative positive modulation CCIR standard. They incorporate following functions Gain controlled amplifier Synchronous demodulator White spot inverter Video preamplifier with noise protection Switchable with noise gating Tuner output (NPN tuner 2540)-(PNP tuner 2541) switch video output inhibition (VCR play back)
DIP16 (Plastic Package) ORDER CODE TDA2540-TDA2541
CONNECTIONS
INPUT DECOUPLING CAPACITOR TUNER TAKE-OVER ADJUST TUNER OUTPUT OUTPUT SWITCH DEMODULATOR L.C. NETWORK REFERENCE L.C. NETWORK INPUT DECOUPLING CAPACITOR CAPACITOR GROUND VIDEO OUTPUT DEMODULATOR L.C. NETWORK REFERENCE L.C. NETWORK
2540-01.EPS
August 1992
TDA2540 TDA2541
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol (11-13) (4-13) Ptot Tstg Tamb Parameter Supply Voltage Tuner A.G.C. Voltage Power Dissipation Storage Temperature Operating Ambient Temperature Value 13.8 Unit
Symbol (j-a)
Parameter Junction ambient Thermal Resistance
Value
Unit °C/W
ELECTRICAL OPERATING CHARACTERISTICS Tamb 25oC V11-13 12V; 38.9MHz (unless otherwise specified)
Symbol V11-13 V1-16 V12-13 Z1-16 V12-13 V12-13 Parameter Supply Voltage Range Supply Current Input Voltage Sensitivity Input Voltage (Pins 1-16) Video Output Voltage Differential Input Impedance parallel with 2pF) Zero Signal Output Level Synchro Output Level Voltage Gain Control Range Min. 10.2 Typ. 3.07 Max. 13.8 Unit µVRMS
2540-03.TBL
2540-02.TBL
THERMAL DATA
2540-01.TBL
2540-02.TIF
TDA2540 TDA2541
ELECTRICAL OPERATING CHARACTERISTICS (continued) Tamb 38.9 (unless otherwise specified)
Symbol V12-13 V12-13 Parameter Signal Noise Ratio 10mV) (see note Bandwidth Video Amplifier 3dB) Differential Gain Differential Phase Carrier Signal Video Output 10mV) Harmonic Carrier Video Output 10mV) Intermodulation 1.1MHz (blue) (see Figures Intermodulation 1.1MHz (yellow) (see Figures Intermodulation 3.3MHz (blue) (see Figures Switches Output (VCR Level) White Spot Inverter Threshold Level (see Figure White Spot Insertion Level (see Figure Noise Inverter Threshold Level (see Figure Noise Insertion Level (see Figure Tuner output Current Range Tuner Output Voltage Tuner Output Leakage Current TDA2541 V14-13 11V, V4-13 TDA2540 V14-13 V4-13 Output Voltage Swing kHz) Change Frequency Output (voltage swing 10V) Switches (AFC level) Switches (AFC High level) Zero Signal Output Voltage (minimum gain) Min. Typ. Max. Unit mVRMS mVRMS
V14-13
V14-13 V5-13 V6-13 V6-13 V5-13
Note
(black white) (dB) (RMS 5MHz)
Figure Video Output Waveform Showing White Spot Noise Inverter Threshold Levels
2540-03.TIF
2540-04.TBL
TDA2540 TDA2541
Figure Input Conditions Intermodulation Measurements
Figure Test Set-up Intermodulation
2540-05.TIF
2540-04.EPS
TDA2540 TDA2541
Figure Voltage versus Frequency V5-13 Figure Voltage versus Frequency V5-13
2540-06.EPS
Figure
Signal/Noise Ratio versus Input Voltage V1-16
Figure Tuner Current Curve TDA2540 TDA2541
2540-09.EPS
2540-08.EPS
2540-10.EPS
2540-07.EPS
TDA2540 TDA2541
Figure Tuner Current Curve (continued) TDA2540 TDA2541
APPLICATION CIRCUIT
2540-12.EPS
2540-11.EPS
TDA2540 TDA2541
PACKAGE MECHANICAL DATA PINS PLASTIC
Dimensions
Min. 0.51 0.77
Millimeters Typ.
Max. 1.65
Min. 0.020 0.030
Inches Typ.
Max. 0.065
0.25 2.54 17.78 1.27
0.020 0.010 0.787 0.335 0.100 0.700 0.280 0.201 0.130 0.050
DIP16.TBL
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. licence granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without noti This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics Rights Reserved Purchase Components SGS-THOMSON Microelectronics, conveys license under Philips Patent. Rights these components system, granted provided that system confo Standard Specifications defined Philips. SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil China France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A.
PM-DIP16.EPS

AMPLIFIER WITH DEMODULATOR SUPPLY VOLTAGE SUPPLY CURRENT 50mA I.F

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