TEA6843 Просмотр технического описания (PDF) - Philips Electronics

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TEA6843

New In Car Entertainment (NICE) extended car radio

Philips Electronics 

Philips Semiconductors

New In Car Entertainment (NICE)

extended car radio

Product specification

TEA6843HL

SYMBOL

PIN

DESCRIPTION

n.c.

41 not connected

Vtune

CPOUT

42 tuning voltage

43 charge pump output

VDDA3

FREF

44 analog supply voltage 3 (8.5 V) for tuning PLL

45 reference frequency output for signal processor IC

VDDD

DGND

46 digital supply voltage (5 V)

47 digital ground

VCOGND

48 VCO ground

OSCFDB

49 VCO feedback

OSCTNK

50 VCO tank circuit

VDDA4

n.c.

51 analog supply voltage 4 (8.5 V) for VCO

52 not connected

AFSAMPLE

53 AF sample flag output for car audio signal processor IC

AFHOLD

54 AF hold flag output for car audio signal processor IC

TRDSMUTE

AMAFIF2

55 time constant for RDS update mute

56 AM demodulator AF output or IF2 output for AM stereo (multiplexed by I2C-bus)

RDSMPX

57 MPX output for RDS decoder and signal processor (not muted)

FMMPX

58 FM demodulator MPX output

VDDA5

n.c.

59 analog supply voltage 5 (5 V) for on-chip power supply

60 not connected

VDDA6

n.c.

SDA

SCL

61 analog supply voltage 6 (8.5 V) for on-chip power supply

62 not connected

63 I2C-bus data line input and output

64 I2C-bus clock line input

n.c.

65 not connected

IF2GND

66 AM IF2 ground

QDET1

67 quadrature demodulator tank 1

QDET2

68 quadrature demodulator tank 2

CAFC

Vlevel

XTAL1

69 FM demodulator AFC capacitor

70 level voltage output for AM and FM

71 crystal oscillator 1

XTALGND

72 crystal oscillator ground

XTAL2

73 crystal oscillator 2

n.c.

74 not connected

TMUTE

75 time constant for mute control voltage

IREF

76 reference current for power supply

AMMIX2OUT1 77 AM mixer 2 output 1 (450 kHz)

AMMIX2OUT2 78 AM mixer 2 output 2 (450 kHz)

CAGC

n.c.

79 AM IF AGC capacitor

80 not connected

2003 Dec 19

7

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