參數(shù)資料
型號(hào): TEA6880H
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Up-level Car radio Analog Signal Processor CASP
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64
文件頁數(shù): 5/88頁
文件大?。?/td> 328K
代理商: TEA6880H
2000 May 08
5
Philips Semiconductors
Product specification
Up-level Car radio Analog Signal
Processor (CASP)
TEA6880H
5
BLOCK DIAGRAM
Fig.1 Block diagram (continued in Fig.2).
MHB427
handbook, full pagewidth
50/75
μ
s
DE-EMPHASIS
&
AM STEREO INPUT
FM BUFFER
&
FM NB-GATES
MATRIX
&
SOFT-MUTE
V/I
CONVERTER
STEREO
DECODER
PLL
INPUT BUFFER
&
80 kHz
LOW-PASS
STEREO
DECODER
OUTPUT
AVERAGE
DETECTOR
(USN1)
AVERAGE
DETECTOR
(WBAM1)
PEAK
DETECTOR
(USN2)
AVERAGE
DETECTOR
(MUTE/HCC)
AM
GATE
LEVEL
ADC
(6-BIT)
LEVEL
INPUT
BUFFER
20 kHz
BAND-PASS
&
AMWB
DETECTOR
HCC
SNC
de-emphasis
I
2
C-BUS
&
CONTROL LOGIC
I
2
C-bus
to NICE
from AM/FM
level detector
I
2
C-bus
detector hold
detector reset
test
NOISE
&
INTERFERENCE
DETECTOR
FM
PULSE
FORMER
sensitivity
start/
BUS
start/
38 kHz
19 kHz
38 kHz
mute slope
mute start
bus controls
22 k
82 k
100 k
22 k
5
4
3
2
1
64
63
6
7
VDD(I
2
C-bus)
4.7 nF
10 nF
4.7 nF
62
61
2.7 nF
2.7 nF
60
59
3.3 nF
58
57
53
52
51
50
49 48 47
46
45
44
43
54
55
10 nF
220 nF
56
10
μ
F
10 nF
3.3 nF
220 nF
33 pF
H
G
E
PEAK
DETECTOR
(WBAM2)
PEAK
DETECTOR
(SNC)
D
C
F
detector
detector
B
A
detector
reset
test
sep.adj.
60 kHz
HIGH-PASS
&
USN
DETECTOR
PULSE
SEPARATOR
120 kHz
HIGH-PASS
AMPLIFIER
sensitivity
pilot
ind.
MPX
input
AMNBIN
MPXRDS
RIN 182 k
470 k
100 nF
6.8 nF
100
nF
22
nF
6.8 nF
68 k
10 nF
100 nF
100
k
220 k
33 nF
AM
mono
input
audio
processing hold
(for RDS update)
from
NICE
(AFSAMPLE)
fref
(75.4 kHz)
trigger sensitivity
TEA6880H
AGC
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TEA6886 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Up-level Car radio Analog Signal Processor CASP