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TDA7338D013TR датащи(PDF) 4 Page - STMicroelectronics |
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TDA7338D013TR датащи(HTML) 4 Page - STMicroelectronics |
4 / 12 page TDA7338 4/12 3.1 NOTES TO THE CHARACTERISTICS 1) INTERMODULATION SUPPRESSION ; fs = (2 x 10KHz) - 19KHz ; fs = (3 x 13KHz) - 38KHz measured with : 91% mono signal; 9% pilot signal; fm=10KHz or 13KHz 2) TRAFFIC RADIO (V.F.) suppression measured with : 91% stereo signal; 9% pilot signal; fm=1KHz; 5% subcarrier (f = 57KHz, fm = 23Hz AM, m = 60%) STEREO BLEND V16-17 Control Voltage for Channel Separation α = 6dB; VR = 3.6V (note 5) -0.31 -0.27 -0.23 V V16-17 Control Voltage for Channel Separation α = 26dB; -85 -55 -30 mV HIGH CUT CONTROL τdeemp De-Emphasis Time Constant C13, C14 = 1nF; V15-17 = 50mV 435057 µs R15-17 High Cut Control Resistance V15 - 17 = 50mV 435057 K Ω R15-17 High Cut Control Resistance V15 - 17 = -0.5V (note 5) 115 150 185 K Ω VCO fosc Oscillator Frequency with Murata CSB456F11 456 KHz ∆f/f Capture and Holding Range ±1 % VVCO VCO OFF Pin 7 0.6 V NOISE INTERFACE DETECTOR (test condition: VSB > VR + 50mV) VTR Trigger Threshold (note 6) VPEAK = 1.3V; PROG = GND 180 mV VPEAK = 1.3V; PROG = OPEN/VDD 250 mV VTR Trigger Threshold VPEAK = 1.5V; PROG = GND 260 mV VPEAK = 1.5V; PROG = OPEN/VDD 340 mV TS Suppression Pulse Duration CBLANK = 470pF 50 µs IOS Input Offset Current during suppression time 10 pA VN1 VPEAK (pin 8) VIN = 0mVRMS 0.7 1.0 1.3 V VN2 VPEAK (pin 8) VIN = 50mVRMS; f = 150KHz 1.1 1.5 2 V VN3 VPEAK (pin 8) VIN = 100mVRMS; f = 150KHz 1.7 2.3 2.8 V Table 4. (VCC = 9V; modulation frequency: 1KHz; de-emphasis time: T = 50µs; nominal MPX input voltage: VMPX = 1.5VPP; m 100% (75KHz deviation, fmod = 1KHz); RIN = 40.2kΩ, ROUT = 40.2kΩ; Tamb = 27°C; CREF = 4.7µF; unless otherwise specified) α2 V O signal () at1KHz () V O spurious () at1KHz () ------------------------------------------------------------------ = α3 V O signal () at1KHz () V O spurious () at1KHz () ------------------------------------------------------------------ = α57 V.W.F. () V O s i gna l () at1KHz () V O spuriou s () at1KHz 23KHz ± () -------------------------------------------------------------------------------------------- = |
Аналогичный номер детали - TDA7338D013TR |
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Аналогичное описание - TDA7338D013TR |
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