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TEA6811V Folha de dados(PDF) 2 Page - NXP Semiconductors |
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TEA6811V Folha de dados(HTML) 2 Page - NXP Semiconductors |
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2 / 24 page  1996 Jun 18 2 Philips Semiconductors Product specification Front-end and PLL synthesizers for car radios TEA6810V; TEA6811V FEATURES • Synthesizer function which includes a Voltage Controlled Oscillator (VCO), dividers, phase detector, charge-pump and in-lock detector • FM mixer with AGC • AM RF amplifier with AGC • AM mixer. APPLICATIONS • Car radios. GENERAL DESCRIPTION The TEA6810V and TEA6811V, together with TEA6821V forms an AM/FM receiving concept for electronically tuned car radios. The TEA681xV is an FM/AM front-end with one local synthesized oscillator for both AM and FM which is used together with the TEA6821T in a double-conversion concept. It delivers a first FM-IF of 72.2 MHz and, for MW/LW, a first AM-IF of 10.7 MHz. Minimum alignments are required due to wideband RF inputs and the common AM/FM VCO. High dynamic behaviour and minimum distortion is obtained by a special RF input design combined with AGC. High sensitivity is possible in combination with RF input FETs. Minimum interference is experienced due a to special synthesizer loop design and ensuring that the I2C-bus is inoperative in the locked-tuned condition. The reference frequency for the synthesizer and the I2C-bus information is delivered by the TEA6821V. The programmable local/dx switch enables switching the gain of the FM mixer from normal AGC control (FM dx) to the forced 4th level of AGC (FM local). QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCCA1 analog supply voltage (pin 2) 4.75 5.0 5.25 V VCCA2 analog supply voltage (pin 13) 8.1 8.5 8.9 V VAMant AM AGC range see Fig.4 0.3 − 6.0 V VFMant FM AGC range see Fig.5 10 − 600 mV fAMant AM input frequency 0.144 − 22 MHz fFMant FM input frequency 60 − 108 MHz Tamb operating ambient temperature −40 − +85 °C TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TEA6810V VSO40 plastic very small outline package; 40 leads SOT158-1 TEA6811V VSO40 plastic very small outline package; 40 leads; face down SOT158-2 |
Nº de peça semelhante - TEA6811V |
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Descrição semelhante - TEA6811V |
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