tda4340x ETC-unknow, tda4340x Datasheet
tda4340x
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tda4340x Summary of contents
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Stereo Decoder/Noise Blanker 1 Overview 1.1 Features • Internal reference voltage source • Adjustment free oscillator with ceramic resonator 456 kHz • Pilot dependent mono/stereo switching with hysteresis • Stereo indicator output • Analogue control of mono/stereo change over (stereo ...
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Pin Configuration (top view) Figure 1 Semiconductor Group P-DSO-20-1 2 TDA 4340X 04.96 ...
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Pin Definitions and Functions Pin No. Function 1 Phase detector output, PLL loop filter 2 Oscillator pin (456 kHz) 3 Ground 4 Reference current pin, external reference resistor 5 Positive supply voltage 6 Interference detector input, noise detector input ...
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Functional Block Diagram Figure 2 Block Diagram Semiconductor Group 4 TDA 4340X 04.96 ...
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Circuit Description Power Supply, Reference Current A temperature stable, low noise reference voltage generator is used for better ripple rejection and for the generation of a reference current. This current is used as a time base for the deemphasis, ...
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Electrical Characteristics 3.1 Absolute Maximum Ratings T = – Parameter PLL loopfilter Oscillator Reference current Supply voltage Noise detector input Noise gate monoflop Noise level capacitor Output amplifier left AF output left AF ...
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Operating Range Parameter Supply voltage Ambient temperature Note: In the operating range the functions given in the circuit description are fulfilled. 3.3 AC/DC Characteristics = Parameter Symbol I Supply current ...
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AC/DC Characteristics (cont’ Parameter Symbol Carrier and Harmonic Suppression a Pilotsignal 19 subcarrier Intermodulation kHz mod ...
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AC/DC Characteristics (cont’ Parameter Symbol Mono/Stereo Control Pilot threshold voltage: – for Stereo ON V PIL on V – for Stereo PIL off OFF – hysteresis Stereo indicator output: ...
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AC/DC Characteristics (cont’ Parameter Symbol Control Range (osc. OFF) Minimum AM min Maximum AM max Stereo/Mono Blend Control Channel separation Channel separation 16 V Reference voltage ...
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AC/DC Characteristics (cont’ Parameter Symbol Suppression pulse duration Input offset current , Pulse threshold V 6 burst 1) No subject of production testing. ...
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Figure 3 Test Circuit Semiconductor Group 12 TDA 4340X 04.96 ...
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Figure 4 Application Circuit Semiconductor Group 13 TDA 4340X 04.96 ...
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Diagrams Figure 5 Definition of Phase Detector Gain Figure 6 Phase Detector Gain Semiconductor Group 14 TDA 4340X 04.96 ...
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Package Outlines P-DSO-20-1 (Plastic Dual Small Outline Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. SMD = Surface Mounted Device Semiconductor Group 15 TDA 4340X Dimensions in mm 04.96 ...