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TDA7338 Datasheet(PDF) 3 Page - STMicroelectronics |
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TDA7338 Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 12 page  3/12 TDA7338 3 ELECTRICAL CHARACTERISTCS 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) Symbol Parameter Test Condition Min. Typ. Max. Unit VCC Supply Voltage 7.5 9 10.2 V ICC Supply Current 5 10 15 mA VIN MPX Input Level (peak to peak) fm = 1KHz 1.5 V VORMS A.F. Output Voltage (mono) pin 10 and 11VIN = 0.5VRMS MONO; 1.5 V SVRR Supply Voltage Ripple Rejection VRIPPLE = 200mV; f = 1KHz 40 55 dB VL/VR Difference of Output Voltage Levels pin 10 and 11- mono -0.8 0.8 dB Vo/Vi Gain V10/V20 8.5 9.5 10.5 dB RO Output Resistance pin 10 and 11 10 50 Ω VO DC Output Voltage pin 10 and 11 4.2 4.5 4.8 V α Channel Separation VR - VSB = -50mVDC 30 45 dB THD Total Harmonic Distortion 0.02 0.3 % Signal plus noise to noise ratio f = 20Hz to 16KHz; S = 2Vrms 91 dB αM Muting Attenuation V7 and V8 < 0.6V 100 dB VDC Mute DC Steps at pins 10, 11 Mute at pin 8 0 4 mV CARRIER AND HARMONIC SUPPRESSION AT THE OUTPUT α19 Pilot Signal f = 19KHz 55 70 dB α38 Subcarrier f = 38KHz 75 dB α57 Subcarrier f = 57KHz 62 dB α76 Subcarrier f = 76KHz 90 dB INTERMODULATION (note 1) α2fmod = 10KHz; fspur = 1KHz 65 dB α3fmod = 13KHz; fspur = 1KHz 75 dB TRAFFIC RADIO (note 2) α57 Signal f = 57KHz 70 dB SCA - SUBSIDIARY COMMUNICATIONS AUTHORIZATION (note 3) α67 Signal f = 67KHz 75 dB ACI - ADJACENT CHANNEL INTERFERENCE (note4) α114 Signal f = 114KHz 95 dB α190 Signal f = 190KHz 84 dB MONO/ STEREO SWITCH VINTH Pilot Threshold Voltage for stereo "ON" 12 20 28 mVRMS VINTH Pilot Threshold Voltage for stereo "OFF" 7 14 21 mVRMS VPI Pilot Indicator Saturation Voltage I = 1mA 0.2 0.5 V IPI Pilot Indicator Leakage Current V = 9V 10 µA V19 Control Voltage for forced mono α = < 3dB 0.8 V SN + N -------------- |
Similar Part No. - TDA7338_05 |
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Similar Description - TDA7338_05 |
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