參數(shù)資料
型號： TDA9887TS/V3
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝： 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24
文件頁數(shù)： 23/56頁
文件大?。?/td> 230K
代理商： TDA9887TS/V3
2002 Mar 05
3
Philips Semiconductors
Product specication
I2C-bus controlled multistandard alignment-free
IF-PLL demodulator with FM radio
TDA9887TS
1
FEATURES
5 V supply voltage
Gain controlled wide-band Vision Intermediate
Frequency (VIF) amplifier, AC-coupled
Multistandard true synchronous demodulation with
active carrier regeneration: very linear demodulation,
good intermodulation figures, reduced harmonics, and
excellent pulse response
Gated phase detector for L and L-accent standard
Fully integrated VIF Voltage Controlled Oscillator
(VCO), alignment-free, frequencies switchable for all
negative and positive modulated standards via I2C-bus
Digital acquisition help, VIF frequencies of 33.4, 33.9,
38.0, 38.9, 45.75, and 58.75 MHz
4 MHz reference frequency input: signal from
Phase-Locked Loop (PLL) tuning system or operating
as crystal oscillator
VIF Automatic Gain Control (AGC) detector for gain
control, operating as peak sync detector for negative
modulated signals and as a peak white detector for
positive modulated signals on pin OTP2
External AGC setting via pin OP1
Precise fully digital Automatic Frequency Control (AFC)
detector with 4-bit digital-to-analog converter, AFC bits
readable via I2C-bus
TakeOver Point (TOP) adjustable via I2C-bus or
alternatively with potentiometer
Fully integrated sound carrier trap for 4.5, 5.5,
6.0, and 6.5 MHz, controlled by FM-PLL oscillator
Sound IF (SIF) input for single reference Quasi Split
Sound (QSS) mode, PLL controlled
SIF-AGC for gain controlled SIF amplifier, single
reference QSS mixer able to operate in high
performance single reference QSS mode and in
intercarrier mode, switchable via I2C-bus
AM demodulator without extra reference circuit
Alignment-free selective FM-PLL demodulator with high
linearity and low noise
I2C-bus control for all functions
I2C-bus transceiver with pin programmable Module
Address (MAD)
Four I2C-bus addresses via MAD
SIF and FM-AGC for radio (optional)
Radio IF (RIF) input using the sound IF SAW input for
converting to 10.7 MHz, input frequencies are 41.3 MHz
for NTSC (M/N standard) applications and 33.3 MHz for
other applications
Alignment-free FM radio demodulation at 10.7 MHz
Radio AFC
External FM input and demodulation.
2
GENERAL DESCRIPTION
The TDA9887TS is an alignment-free multistandard
(PAL, SECAM and NTSC) vision and sound IF signal PLL
demodulator for positive and negative modulation,
including sound AM and FM processing. A special function
is implemented for the demodulation of FM radio signals
(fRIF = 10.7 MHz).
3
APPLICATIONS
TV, VTR, PC, and STB applications.
4
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA9887TS/V3
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
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