Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA1579 Datenblatt(PDF) 3 Page - NXP Semiconductors |
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TDA1579 Datenblatt(HTML) 3 Page - NXP Semiconductors |
3 / 13 page May 1992 3 Philips Semiconductors Product specification Decoder for traffic warning (VWF) radio transmissions TDA1579 TDA1579T RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134). All pin numbers in this table apply to TDA1579; for TDA1579T refer to Fig.1. CHARACTERISTICS VP = 8.5 V; Tamb = 25 °C; measured at nominal input signal: ViSK = 8 mV, f = 57 kHz amplitude modulated with fm = 34.95 Hz and m = 60% for ‘BK-traffic area C’ signal; or with fm = 125 Hz and m = 30% for DK signal. All pin numbers in this table apply to TDA1579, for TDA1579T refer to Fig.1. PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Supply voltage pin 7 VP = V7-18 −− 15 V Switch output voltage pin 1 V1-18 −− 23 V pins 2 or 3 V2; 3-18 −− 15 V pins 1, 2 or 3 −V1; 2; 3-18 −− 0.5 V Switch output current pin 1 I1 −− 50 mA pins 2 or 3 I2; 3 −− 5mA pins 1, 2 or 3 −I1; 2; 3 −− 10 mA Signal input voltage pin 13 V13-18 −− VP pin 13 −V13-18 −− 0.5 V Signal input current pin 13 −I13 −− 10 mA Total power dissipation Ptot −− 800 mW Storage temperature range Tstg −55 −+150 °C Operating ambient temperature range Tamb −30 −+ 80 °C PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Supply voltage pin 7 VP 7.5 − 12 V Supply current pin 7 IP − 610 mA SK amplifier/decoder Input impedance f ≤ 57 kHz |Zi| 100 −− k Ω Input voltage (peak-to- peak value) Vi(p-p) 2 −− V Input voltage at start of gain control Vo9BK = −3 dB ViSK − 2.4* − mV Voltage gain V9BK/V13SK Gv9-13 − 44* − dB Gain spread ± ∆ Gv9-13 −− 2dB Gain control range ∆Gv 40 −− dB Controlled output voltage Vo9BK − 440 − mV Vo9DK − 220 − mV |
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