TBA120T

TELEFUNKEN Semiconductors TBA120T FM IF amplifier and demodulator Technology: Bipolar Features D Input and demodulator provided for operating with ceramic-resonators D No selection of volume-input characteristics D Independent sound output for VTR and headphone Case: 14 pin dual inline plastic D Additional sound input D High ripple rejection D High residual carrier suppression prevents harmonic distortions Figure 1 Block diagram Pin Configuration Pin 1 2, 13 3 4 5 Symbol GND Vi(AF) Vref V5 Function Ground Feedback AF input – SCART Reference voltage Volume control Pin 6,7,9,10 8 11 12 14 Symbol Vo(AF)1 VS Vo(AF)2 Vi(IF) Function FM demodulator filter AF output – controlled Supply voltage AF output – uncontrolled IF input Rev. A1: 20.12.1994 1 TBA120T Absolute Maximum Ratings Reference point pin 1, unless otherwise specified Parameters Supply voltage Pin 11 Volume setting voltage Pin 5 Reference supply current Pin 4 Power dissipation Tamb = 60°C Ambient temperature range Storage temperature range Symbol VS V5 IRef Ptot Tamb Tstg TELEFUNKEN Semiconductors Value 18 6 5 400 –15 to +70 –25 to +125 Unit V V mA mW °C °C Electrical Characteristics Tamb = +25°C, VS = 12 V, f = 5.5 MHz, Figure 3, reference point pin 1, unless otherwise specified Parameters Supply voltage range Supply current Reference voltage Output resistance Frequency range IF voltage gain Limited IF output voltage Input limiting voltage Input impedance AM rejection DC voltage at AF output Ripple rejection ...