TDA4320X Infineon Technologies AG, TDA4320X Datasheet
TDA4320X
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TDA4320X Summary of contents
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FM-IF with Counter Output, Field Strength Indicator, Noise Detector and MUTE Setting 1 Overview 1.1 Features • 7-stage limiter amplifier • Coincidence demodulator • Counter output with request input • Field strength output • Multipath identification circuit • Adjustable muting ...
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Pin Configuration (top view) Figure 1 1.3 Pin Definitions and Functions Pin No. Symbol 1 GND 2 Multipath identification input 3 Rectifier time constant 4 Multipath identification output 5 MUTE input 6 AF output Semiconductor Group P-DSO-16-1 Function Ground ...
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Pin Definitions and Functions (cont’d) Pin No. Symbol 7 MUTE depth 8 Demodulator tank circuit 9 Demodulator circuit 10 Reference voltage 11 IF counter output Field strength output 14 Field strength adjust 15 IF input ...
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Functional Block Diagram Figure 2 Semiconductor Group 38 TDA 4320X 04.96 ...
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Functional Description The FM-IF demodulator TDA 4320X has been developed especially for car radio applications. The on-chip multipath identification circuit activates an interference suppression circuit in case of multipath interferences. 3 Circuit Description The IC includes a 7-stage capacitive ...
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Electrical Characteristics 4.1 Absolute Maximum Ratings T = – Parameter Supply voltage Junction temperature Storage temperature Thermal resistance (system-air) ESD voltage, HBM (1.5 k Note: Maximum ratings are absolute ratings; exceeding only ...
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AC/DC Characteristics 10.7 MHz; S ilF mV; = – iIFrms A Parameter Symbol I Current consumption 12 V Stabilized voltage Field strength output ...
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AC/DC Characteristics (cont’ 10.7 MHz; S ilF mV; = – iIFrms A Parameter Symbol a AF MUTE AF Voltage for MUTE OFF V ...
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AC/DC Characteristics (cont’ 10.7 MHz; S ilF mV iIFrms A Parameter Symbol Signal-to-noise ratio a S/N Counter output voltage V Noise detector sensitivity V V Charge ...
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Test Circuit 1 Figure 3 Semiconductor Group 44 TDA 4320X 04.96 ...
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Application Circuit Figure 4 Semiconductor Group 45 TDA 4320X 04.96 ...
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Diagrams Diagram D1 V Dynamics F The dynamic range of V follows: V M1: test point (at = – 60 dBm) supplies iIF M2: test point ( – 20 dBm) supplies iIF V M3: test point (at = ...
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Diagram D2 Test points to determine V is determined Slope – (M2) (M1 The tolerance range of the ...
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Diagram D3 Test points to determine V -temperature drift determined within – Slope – (M2) (M1 The tolerance range of the ...
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Diagram D4 Mute Characteristics Semiconductor Group 49 TDA 4320X 04.96 ...
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Package Outlines P-DSO-16-1 (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 50 TDA 4320X Dimensions in mm 04.96 ...