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TW2866C Datasheet

4-Channel Video Decoders and Audio Codecs and Video Encoder

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4-Channel Video Decoders and Audio Codecs
and Video Encoder for Security Application
TW2866C
The TW2866 includes four high quality
NTSC/PAL/SECAM video decoders that convert
analog composite video signal to digital
component YCbCr data for security applications.
Each channel contains 10 bit ADC and
proprietary clamp and gain controllers and
utilizes 4H comb filter for separating luminance
& chrominance to reduce cross noise artifacts.
The TW2866 adopts the image enhancement
techniques, such as IF compensation filter, CTI
and programmable peaking. TW2866 also
includes one NTSC/PAL video encoder with two
10 bit DAC‟s to support CVBS and YC output. The
TW2866 also includes audio CODEC, which has
five audio Analog-to-Digital converters and one
Digital-to-Analog converter. A built-in audio
controller can generate digital outputs for
recording/mixing and accepts digital input for
playback.
Features
Integrated five audio ADCs and one audio DAC
Provides multi-channel audio mixed analog
output
Supports I2S/DSP Master/Slave interface for
record output and playback input
PCM 8/16 bit and u-Law/A-Law 8bit for audio
word length
Programmable audio sample rate that covers
popular frequencies of 8/16/32/44.1/48kHz
Supports a two-wire serial host interface
Integrated one video encoder and two10 bit
video CMOS DACs.
Integrated clock PLL for 108MHz clock output.
Ultra low power consumption (Typical
666.84mW)
128 pin LQFP package
Accepts all NTSC(M/4.43) /
PAL(B/D/G/H/I/K/L/M/N/60)/SECAM
standards with auto detection
Integrated four video analog anti-aliasing filters
and 10 bit CMOS ADCs
High performance adaptive 4H comb filters for
all NTSC/PAL standards
IF compensation filter for improvement of color
demodulation
Color Transient Improvement (CTI)
Automatic white peak control
Programmable hue, saturation, contrast,
brightness and sharpness
Proprietary fast video locking system for non-
realtime application
Supports the standard ITU-R BT.656 format or
time multiplexed output with 54/108MHz
Provides simultaneous four channel Full D1 and
CIF time-multiplexed outputs with 54MHz.
FN8253.0
February 3, 2012
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC. 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

TW2866C Datasheet

4-Channel Video Decoders and Audio Codecs and Video Encoder

No Preview Available !

Block Diagram
TW2866C
VIN1A
VIN1B
AIN1
VIN2A
VIN2B
AIN2
VIN3A
VIN3B
AIN3
VIN4A
VIN4B
AIN4
AIN5
AOUT
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
4H Comb
Video Decoder
AADDCC Decimation Filter
ADC
Decimation Filter
DAC Interpolation Filter
VYOUT
VCOUT
DAC
DAC
Digital Video
Encoder
VD1[7:0]
VD2[7:0]
VD3[7:0]
VD4[7:0]
MPP1
MPP2
MPP3
MPP4
CLKPOn
XTO
XTI
CLKNOn
SCLK
SDAT
IRQ
ACLKR
ASYNR
ADATR
ADATM
ACLKP
ASYNP
ADATP
ENCLK
ED[7:0]
Ordering Information
PART
NUMBER
PART
MARKING
PACKAGE
(Pb-free)
PKG.
DWG. #
TW2866-LC1-CR TW2866 LC1-CR
128 Ld LQFP
Q128.14x14
NOTE:
1.
These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die
attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and
compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-
free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
2


Part Number TW2866C
Description 4-Channel Video Decoders and Audio Codecs and Video Encoder
Maker Intersil
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TW2866C Datasheet PDF






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