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TDA8222 Datasheet(PDF) 5 Page - STMicroelectronics |
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TDA8222 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 9 page ELECTRICAL CHARACTERISTICS (continued) (Tamb = 25 oC, VCC = 9V, IF input = 10mVRMS top sync, D = 90%, Video BW = 5MHz, Sound carrier input : 5.5MHz, 10mVRMS, fm = 1kHz, Audio BW = 20kHz, ∆f = ± 25kHz, Volume attenuation = 0dB, Rload on Pin 12 = 1k Ω, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit AUDIO SWITCH R17 Input Resistance 40 65 k Ω CRtk Crosstalk 70 80 dB EXTHD THD on External Signal VIN = 2VRMS, Attenuation = 0dB 0.05 0.3 % VIDEO SWITCH VDC 13-14 DC Input Level No signal 1.6 1.9 2.2 V VS 13-14 Top Sync Clamp Level 1.8 V V12 DC Output Level No signal 0.7 1.0 1.3 V VS 12 Top Sync Clamp Level 0.85 V Crosstalk 55 dB G13-14 . 12 Gain from inputs to output VIN = 1VPP 5.5 6 6.5 dB Output Swing 4.5 V I13-14 Input Current V13-14 = VDC 13-14 + 1.5V 1 5 µA VBW Bandwidth VIN = 1VPP 15 MHz SWITCHING INPUT V21 ext External Input Selection Level 5 V V21 int Internal Input Selection Level 2.5 I21 Sourced Current 0 10 µA MUTE V15 Threshold Voltage 2.1 V V15 DC Level when mute disabled High impedance controling circuit 2.8 V TDA8222 5/9 |
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