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TEA6845H データシート(PDF) 6 Page - NXP Semiconductors

部品番号 TEA6845H
部品情報  New In Car Entertainment NICE car radio
Download  48 Pages
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA6845H データシート(HTML) 6 Page - NXP Semiconductors

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2001 Apr 12
6
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
6
PINNING
SYMBOL
PIN
DESCRIPTION
CAGC
1
AMIFAGC capacitor
FMLIMDEC
2
FM limiter decoupling
FMLIMIN
3
FM limiter input (10.7 MHz)
AMIF2DEC
4
decoupling for AM IF2 input
IFAMP2OUT
5
IF amplifier 2 output (10.7 MHz)
AMNBHOLD
6
AM noise blanker hold output
AMIF2IN
7
AM IF2 input (450 kHz) for demodulator AGC and AM level detector
IF1GND
8
AM IF1 ground
IFAMP2IN
9
IF amplifier 2 input (10.7 MHz)
Coffset
10
DC feedback for offset compensation RDS mute
IFAMP2DEC
11
IF amplifier 2 decoupling and AGC capacitor for AM noise blanker
IFAMP1OUT
12
IF amplifier 1 output (10.7 MHz)
IFAMP1IN
13
IF amplifier 1 and AM mixer 2 input (10.7 MHz)
VDDA6
14
analog supply voltage 6 (8.5 V) for IF amplifier 1 and 2
IFAMP1DEC
15
AM mixer 2 and FM IF amplifier 1 decoupling
MIX1OUT1
16
FM mixer and AM mixer 1 IF output high (10.7 MHz)
MIX1OUT2
17
FM mixer and AM mixer 1 IF output low (10.7 MHz)
VDDA5
18
analog supply voltage 5 (8.5 V) for FM mixer and AM mixer 1
AMMIX1IN2
19
AM mixer 1 input 2
AMMIX1IN1
20
AM mixer 1 input 1
T1AMAGC
21
1st time constant output of AM front-end AGC
T2AMAGC
22
2nd time constant of AM front-end AGC
IAMAGC
23
PIN diode drive current output of AM front-end AGC
Vref(FMMIX)
24
reference voltage for FM mixer
FMMIXIN1
25
input 1 of FM RF mixer
RFGND
26
RF ground
FMMIXIN2
27
input 2 of FM RF mixer
IFMAGC
28
PIN diode drive current output of FM front-end AGC
T2FMAGC
29
2nd time constant of FM front-end AGC
T1FMAGC
30
1st time constant of FM front-end AGC
DAAOUT
31
output of digital alignment circuit for antenna tank circuit
DAATD
32
temperature compensation diode of digital auto alignment circuit for antenna tank circuit
DAAIN
33
input of digital auto alignment circuit for antenna tank circuit
Vtune
34
tuning voltage
CPOUT
35
charge pump output
VDDA4
36
analog supply voltage 4 (8.5 V) for tuning PLL
fref
37
reference frequency output for signal processor IC
VDDD
38
digital supply voltage (5 V)
DGND
39
digital ground
VCOGND
40
VCO ground


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