Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

TDA9884HN Folha de dados(PDF) 8 Page - NXP Semiconductors

Nome de Peças TDA9884HN
Descrição Electrónicos  I2C-bus controlled multistandard alignment-free IF-PLL for mobile reception
Download  58 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo NXP - NXP Semiconductors

TDA9884HN Folha de dados(HTML) 8 Page - NXP Semiconductors

Back Button TDA9884HN Datasheet HTML 4Page - NXP Semiconductors TDA9884HN Datasheet HTML 5Page - NXP Semiconductors TDA9884HN Datasheet HTML 6Page - NXP Semiconductors TDA9884HN Datasheet HTML 7Page - NXP Semiconductors TDA9884HN Datasheet HTML 8Page - NXP Semiconductors TDA9884HN Datasheet HTML 9Page - NXP Semiconductors TDA9884HN Datasheet HTML 10Page - NXP Semiconductors TDA9884HN Datasheet HTML 11Page - NXP Semiconductors TDA9884HN Datasheet HTML 12Page - NXP Semiconductors Next Button
Zoom Inzoom in Zoom Outzoom out
 8 / 58 page
background image
TDA9884_2
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 12 May 2006
8 of 58
Philips Semiconductors
TDA9884
I2C-bus controlled multistandard alignment-free IF-PLL
FPLL detector
VCO and divider
AFC and digital acquisition help
Video demodulator and amplifier
Sound carrier trap
SIF amplifier
SIF-AGC detector
Single reference QSS mixer
AM demodulator
FM demodulator and acquisition help
Audio amplifier and mute time constant
Internal voltage stabilizer
I2C-bus transceiver and MAD
7.1 VIF amplifier
The VIF amplifier consists of three AC-coupled differential stages. Gain control is
performed by emitter degeneration. The total gain control range is typically 66 dB. The
differential input impedance is typically 2 k
Ω in parallel with 3 pF.
7.2 Tuner AGC and VIF-AGC
This block adapts the voltages, generated at the VIF-AGC and SIF-AGC detectors, to the
internal signal processing at the VIF and SIF amplifiers and performs the tuner AGC
control current generation. Normally it is derived from the VIF-AGC, for the true split sound
mode it is derived from the SIF-AGC. The onset of the tuner AGC control current
generation can be set either via the I2C-bus (see Table 16) or optionally by a
potentiometer at pin TOP (in case that the I2C-bus information cannot be stored). The
presence of a potentiometer is automatically detected and the I2C-bus setting is disabled.
Furthermore, derived from the AGC detector voltage, a comparator is used to test if the
corresponding VIF input voltage is higher than 200
µV. This information can be read out
via the I2C-bus (bit VIFLEV = 1).
7.3 VIF-AGC detector
Gain control is performed by sync level detection (negative modulation) or peak white
detection (positive modulation).
For negative modulation, the sync level voltage is compared with a reference voltage
(nominal sync level) by a comparator which charges or discharges the integrated AGC
capacitor directly for the generation of the required VIF gain. With mobile mode the
currents are increased by a factor of approximately 8 for very fast reaction. By use of an
AGC event detector, the gain increase time constant (discharge current) additionally
reduces in with a too-low VIF signal.
For positive modulation, the white peak level voltage is compared with a reference voltage
(nominal white level) by a comparator which charges (fast) or discharges (slow) the
external AGC capacitor directly for the generation of the required VIF gain. The need of a


Nº de peça semelhante - TDA9884HN

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
NXP Semiconductors
TDA9884TS PHILIPS-TDA9884TS Datasheet
231Kb / 55P
   I2C-bus controlled multistandard alignment-free IF-PLL for mobile reception
2003 Nov 28
More results

Descrição semelhante - TDA9884HN

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
NXP Semiconductors
TDA9884TS PHILIPS-TDA9884TS Datasheet
231Kb / 55P
   I2C-bus controlled multistandard alignment-free IF-PLL for mobile reception
2003 Nov 28
TDA9885 PHILIPS-TDA9885 Datasheet
248Kb / 56P
   I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
2003 Oct 02
TDA9886 NXP-TDA9886 Datasheet
283Kb / 56P
   I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
Rev. 03-16 December 2008
TDA9887 PHILIPS-TDA9887 Datasheet
308Kb / 58P
   I2C-bus controlled multistandard alignment-free IF-PLL demodulator with FM radio
2004 Aug 25
TDA9887TS NXP-TDA9887TS Datasheet
232Kb / 58P
   I2C-bus controlled multistandard alignment-free IF-PLL demodulator with FM radio
2004 Aug 25
TDA9880 PHILIPS-TDA9880 Datasheet
195Kb / 40P
   Alignment-free multistandard vision and FM sound IF-PLL demodulator
1999 Jul 21
TDA9882 NXP-TDA9882 Datasheet
236Kb / 45P
   Alignment-free multistandard vision and QSS FM sound IF PLL demodulator
Rev. 01-16 November 2004
TDA9143 PHILIPS-TDA9143 Datasheet
275Kb / 40P
   I2C-bus controlled, alignment-free PAL/NTSC/SECAM decoder/sync processor
1996 Jan 17
logo
STMicroelectronics
STV223XD STMICROELECTRONICS-STV223XD Datasheet
1Mb / 76P
   I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
logo
NXP Semiconductors
TDA9899 NXP-TDA9899 Datasheet
511Kb / 103P
   Multistandard hybrid IF processing including car mobile
Rev. 03-15 January 2008
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58


Folha de dados Download

Go To PDF Page


Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com