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參數(shù)資料
| 型號： | PNX3000 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Analog front end for digital video processors |
| 中文描述： | 模擬前端數(shù)字視頻處理器 |
| 文件頁數(shù)： | 3/51頁 |
| 文件大小： | 285K |
| 代理商： | PNX3000 |
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2004 Oct 04
3
Philips Semiconductors
Preliminary specification
Analog front end for digital video
processors
PNX3000
1
FEATURES
Multi-standard vision IF circuit with alignment-free PLL
demodulator without external components
Internal (switchable) time-constant for the IF AGC circuit
DTV IF circuit for gain control of digital broadcast
TV signals
Sound IF amplifier with separate AGC circuit for
quasi-split sound
IF circuit can also be used for intercarrier sound
Analog demodulator for AM sound
Integrated sound trap and group delay correction
Video ident function detects the presence of a video
signal
Video source selector with four external CVBS or YC
inputs and two analog CVBS outputs with independent
source selection for each output
Two linear inputs for 1f
H
or 2f
H
RGB signals with source
selector; the RGB signals are converted to YUV before
A to D conversion; both inputs can also be used as
YPbPr input for DVD or set top box
Integrated anti-alias filters for video Analog to Digital
Converters (ADCs)
Four 10-bit video ADCs for the conversion of CVBS, YC,
YUV and down-mixed sound IF signals
Up to three different A to D converted video channels
are available simultaneously (e.g. CVBS, YC and YUV)
Audio source selector with five stereo inputs for analog
audio and two microphone inputs
Two microphone amplifiers with adjustable gain
Three analog audio outputs for SCART and line out with
independent source selection for each output
Four 1-bit audio sigma delta ADCs for the conversion of
audio and microphone signals
Three serial data link transmitters for interfacing with the
digitalvideoprocessoratabitrateof594 Mbit/sperdata
link
Voltage to current converter for driving external
east-west power amplifier
I
2
C-bus transceiver with selectable slave address and
maskable interrupt output.
2
GENERAL DESCRIPTION
The PNX3000 is an analog front end for digital video
processors. It contains an IF circuit for both analog and
digital broadcast signals, input selectors and ADCs for
analog video and audio signals. The digital output signals
are made available via three serial data links.
The IC has a supply voltage of 5 V. The supply voltage of
the analog audio part can be 5 V or 8 V, depending on the
maximum signal amplitudes that are required.
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PNX3000HL/N3
LQFP128
plastic low profile quad flat package; 128 leads; body 14
×
20
×
1.4 mm
SOT425-1
相關PDF資料 |
PDF描述 |
|---|---|
| PNX3000HL | Analog front end for digital video processors |
| PNX3000N3 | Analog front end for digital video processors |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PNX3000HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Analog front end for digital video processors |
| PNX3000HL/N3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Analog front end for digital video processors |
| PNX3000N3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Analog front end for digital video processors |
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| PNX5209L0474AUM | 制造商:ST-Ericsson 功能描述:IC RF AFE W/PMU 280LFBGA |
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