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TEA6846 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza
componentes Descripción
Fabricante
TEA6846
Philips
Philips Electronics Philips
TEA6846 Datasheet PDF : 44 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Product specification
TEA6846H
SYMBOL
PIN
DESCRIPTION
n.c.
41 not connected
Vtune
CPOUT
42 tuning voltage
43 charge pump output
VDDA4
fref
VDDD
DGND
44 analog supply voltage 4 (8.5 V) for tuning PLL
45 reference frequency output for signal processor IC
46 digital supply voltage (5 V)
47 digital ground
VCOGND
48 VCO ground
OSCFDB
49 VCO feedback
OSCTNK
50 VCO tank circuit
VDDA3
n.c.
51 analog supply voltage 3 (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
VDDA2
n.c.
59 analog supply voltage 2 (5 V) for on-chip power supply
60 not connected
VDDA1
n.c.
SDA
SCL
61 analog supply voltage 1 (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
n.c.
75 not connected
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 AMIFAGC capacitor
80 not connected
2001 Apr 12
7

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