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STV5728 데이터시트(PDF) 3 Page - STMicroelectronics |
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STV5728 데이터시트(HTML) 3 Page - STMicroelectronics |
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3 / 11 page ![]() 20 30 40 50 60 70 10 20 30 40 R ADJ Value (kΩ) Recording Level Figure 1 : FM Record Current Amplifier ; Record Current Adjustment Curve A certain ratio must be kept between RADJ and RFMIN to insure maximum performances with an average FM recording input voltage arou nd 170mVPP. Some examples are given in the follow- ing tables. If the average input voltage is higher (or lower), the RFMRIN value must be increased (de- creased) proportionnaly. SET-UP RADJ RFMRIN (1) 15k Ω 1k Ω (2) 22k Ω 1.5k Ω (3) 33k Ω 2k Ω ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCC Power Supply Voltage 6 V Tj Junction Temperature 150 oC Toper Operating Temperature 0, +70 oC THERMAL DATA Symbol Parameter Value Unit Rth (j-a) Junction-ambient Thermal Resistance (IC solded on the PC board) Max. 75 oC/W RECOMMENDED OPERATING CHARACTERISTICS Symbol Parameter Min. Typ. Max. Unit VCC Power Supply 4.75 5 5.25 V VCCFM FM HIFI Power Supply 4.75 5 5.25 V CAGC AGC Time Constant 4.7 22 nF CCOM Decoupling Capacitor 4.7 470 nF CCOM1 Decoupling Capacitor 4.7 470 nF RADJ Record Current Adjustment Resistor 15 22 33 k Ω STV5728 3/11 |
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