參數(shù)資料
型號: TDA9897HL/V2/S1
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT313-2, MS-026, LQFP-48
文件頁數(shù): 82/103頁
文件大?。?/td> 511K
代理商: TDA9897HL/V2/S1
TDA9897_TDA9898_3
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 11 January 2008
8 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
6.
Block diagram
Fig 1.
Block diagram of TDA9898 (continued in Figure 2)
A
B
C
D
E
F
G
H
008aaa090
TDA9898
I2C-BUS
SIF AGC
PEAK
AGC
TUNER
VIF PLL
AND
ACQUISITION
HELP
VIF
AFC
NYQUIST
FILTER
sideband (L-accent)
I
Q
VIF AGC
AM average
23
36
AGCDIN
IF3A
IF3B
SDA
3
4
IF2A
IF2B
9
10
2, 18, 37
TOP2
LFVIF
LFSYN1
optional tuner
AGC TOP for
positive
modulation and
radio signal
strength detector
onset
11
13
i.c.
TAGC
45
47
CIFAGC
5
IF1A
IF1B
6
7
FM peak
24
SCL
14
i.c.
SYNTHESIZER
AND VCO
SYNTHESIZER
AND VCO
standard
1
LFSYN2
25
ADRSEL
32
BVS
22
GNDD
CTAGC
8
38
SIDEBAND
FILTER
sideband
Q
I
SOUND
CARRIER
TRAP
trap reference
GROUP
DELAY
EQUALIZER
I2C-BUS TOP2
AND RSSI
RSSI
DETECTOR
AND
L STANDARD
TUNER
AGC
n.c.
DECODER
I2C-BUS
TOPNEG
GND
48
2
×
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