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TDA8191 데이터시트(PDF) 3 Page - STMicroelectronics |
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TDA8191 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 6 page ELECTRICAL CHARACTERISTICS (continued) (Refer to fig. 1 ; VS = 24V, RL =16 Ω, Pin 11 floating, ∆f= ±50kHz, Vi = 1mV, fo = 5.5MHz, fm = 1kHz, Tamb =25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit V9 Recovered Audio Voltage (pin 9) VC = 4.5V, ∆f= ± 15kHz 200 400 mVRMS R9 Deemphasis Resistance f = 20Hz to 20kHz 500 700 1000 Ω AMR Amplitude Modul. Rejection m = 0.3, VO =4VRMS 45 60 dB RI Input Resistance (pin 2) ∆f= 0 30 k Ω CI Input Capacitance (pin 2) ∆f = 0, VC =4.5V 6 pF V12 DCVC Reference Voltage 5.6 6.2 V Kv Volume Attenuation VC = 0.5V ; Fig. 2 VC = 4.5V ; Fig. 2 80 1.0 dB dB ∆KV ∆Tj Volume Attenuation Thermal Drift Tj = 300 to 380 °K Fig. 3 – 0.05 – 0.1 dB/ °C PO Output Power (d = 10%) 3.5 4 W SVR Supply Voltage Rej. (Pin 17) (Pin 9) VC = 4.5V fripple = 100Hz 20 50 26 60 dB dB V11 Function Switch. - Television Broadc. Reproduction 0 2 V or Pin 11 Floating - Peritelevision Reproduction 8 12 V R11 Input Resistance 10 k Ω V10 Input Voltage (d ≤ 2%) VO =4VRMS ;V11 = 12V 0.5 2.0 VRMS R10 Input Resistance f = 20Hz to 20kHz 10 k Ω CT Crosstalk between Pins 9, 10 60 dB S + N N Signal to Noise Ratio ∆f= 0 ; VO =4VRMS 60 70 dB d Distortion (PO = 250mV) 2 % ∆f Deviation Sens. VC = 0.5V ; VO =4VRMS ± 4 ± 10 kHz 4 0.1 µF 68 nF 1 µF OUT 1 µF IN V11 SW 11k Ω 24k Ω 22 µF 22 µF 270 Ω 15k Ω 22 Ω 47 0 µF 220 nF R1 270k Ω 4.7 µF 0.1 µF 51 Ω 0.1 µF 47 0 µF VS 0.1 µF Vi IF inp ut 910 11 12 13 14 20 19 17 16 15 6 5 1 18 2 3 4.5k Ω TDA 8191 V o VC V10 RL 68pF L1 8.2pF 7 8 L1 : Qu = 80 @ f0 = 5.5MHz Figure 1 : Test Circuit TDA8191 3/6 |
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