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TEF6721HL Datasheet(PDF) 4 Page - NXP Semiconductors

Part # TEF6721HL
Description  Car radio tuner front-end for digital IF
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEF6721HL Datasheet(HTML) 4 Page - NXP Semiconductors

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9397 750 15042
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 19 July 2005
4 of 45
Philips Semiconductors
TEF6721HL
Car radio tuner front-end for digital IF
5.
Block diagram
Fig 1.
Block diagram of TEF6721HL
AM
MIXER
AM
AGC
IF
AGC
FM
AGC
FM
I/Q MIXER
WX
BUFFER
XTAL
OSC
POWER
SUPPLY
I2C-
BUS
±90°
:1 / :2 / :3
N1
:5 / :10
N2
RF AGC
MONITOR
VCO
18
17
16
15
11
13
9
12
10
14
7
6
5
432
19
20
21
22
23
24
28
26
32
33
27
29
30
31
41
42
43
44
45
46
49
50
53
54
55
56
61
57
58
59
CRYSTAL
DAA
60
51
52
63
64
1, 8,
25, 62
TEF6721HL
mdb410
SEQUENTIAL
CIRCUIT FOR
AF UPDATING
TUNING
SYSTEM
ANTENNA
DAA
37
36
34
35
47
48
38
39
40
IFOUT2
VAMCAS
VAMCASFB
IAMAGC
TAFAMAGC
TRFAMAGC
AGCBUF
FMMIXOUT1
FMMIXOUT2
VREFFMMIX
FMMIXIN1
RFGND
IFMAGC
FMMIXIN2
TFMAGC
KAGC
DAAOUT
KAGCADJ
IFOUT1
IFAGCMSB
IFAGCLSB
XTALGND
XTAL2
XTAL1
VCOGND
OSCFDB
OSCTNK
VDDA4
IREF
VDDA6
GND
VDDA5
VDAC
SWPORT1
i.c.
AMMIXDEC
AMMIXOUT2
WBFLAG
IFGND
FMIFIN
VDDA1
AMMIXOUT1
IFAGCBIAS
IFDEC
AMIFIN
VDDA2
AMMIXIN
DAATD
AFSAMPLE
VTUNE
VDDA3
VDDD
BUSENABLE
DAAIN
AFHOLD
CPOUT
ADDRSEL
DGND
SWPORT2
SCL
SDA


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