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TEA6810V

NXP
Part Number TEA6810V
Manufacturer NXP
Description Front-end and PLL synthesizers for car radios
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TEA6810V; TEA6811V Front-end and PLL synthesizers for car radios Product specification S...
Datasheet PDF File TEA6810V PDF File

TEA6810V
TEA6810V

Overview
INTEGRATED CIRCUITS DATA SHEET TEA6810V; TEA6811V Front-end and PLL synthesizers for car radios Product specification Supersedes data of September 1994 File under Integrated Circuits, IC01 1996 Jun 18 Philips Semiconductors Product specification Front-end and PLL synthesizers for car radios 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.
QUICK REFERENCE DATA SYMBOL VCCA1 VCCA2 VAMant VFMant fAMant fFMant Tamb PARAMETER analog supply voltage (pin 2) analog supply voltage (pin 13) AM AGC range FM AGC range AM input frequency FM input frequency operating ambient temperature see Fig.
4 see Fig.
5 CONDITIONS TEA6810V; TEA6811V 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).
MIN.
4.
75 8.
1 0.
3 10 0.
144 60 −40 TYP.
5.
0 8.
5 − − − − − MAX.
5.
25 8.
9 6.
0 600 22 108 +85 V V V UNIT mV MHz MHz °C ORDERING INFORMAT...


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