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參數資料
| 型號： | 935243460551 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數： | 12/35頁 |
| 文件大?。?/td> | 261K |
| 代理商： | 935243460551 |
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1997 Jan 06
2
Philips Semiconductors
Preliminary specication
Digital Video Encoder (ConDENC)
SAA7120; SAA7121
FEATURES
Monolithic CMOS 3.3 V (5 V) device
Digital PAL/NTSC encoder
System pixel frequency 13.5 MHz
Accepts MPEG decoded data on 8-bit wide input port;
input data format Cb-Y-Cr (CCIR 656), SAV and EAV
Three DACs for Y, C and CVBS, two times oversampled
with 10 bit resolution
Real time control of subcarrier
Cross colour reduction filter
Closed captioning encoding and WST- and
NABTS-Teletext encoding including sequencer and filter
Line 23 wide screen signalling encoding
Fast I2C-bus control port (400 kHz)
Encoder can be master or slave
Programmable horizontal and vertical input
synchronization phase
Programmable horizontal sync output phase
Internal colour bar generator (CBG)
2 × 2 bytes in lines 20 (NTSC) for copy guard
management system can be loaded via I2C-bus
Down-mode of DACs
Controlled rise/fall times of synchronization and
blanking output signals
Macrovision Pay-per-View copy protection system rev.7
and rev.6.1 as option.
This applies to SAA7120 only. The device is protected
by USA patent numbers 4631603, 4577216 and
4819098 and other intellectual property rights. Use of
the Macrovision anti-copy process in the device is
licensed for non-commercial home use only.
Reverse engineering or disassembly is prohibited.
Please contact your nearest Philips Semiconductors
sales office for more information.
QFP44 package.
GENERAL DESCRIPTION
The SAA7120; SAA7121 encodes digital YUV video data
to an NTSC or PAL CVBS or S-Video signal.
The circuit accepts CCIR compatible YUV data with
720 active pixels per line in 4:2:2 multiplexed formats,
for example MPEG decoded data. It includes a sync/clock
generator and on-chip DACs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VDDA
analog supply voltage
3.1
3.3
3.5
V
VDDD
digital supply voltage
3.0
3.3
3.6
V
IDDA
analog supply current
62
mA
IDDD
digital supply current
38
mA
Vi
input signal voltage levels
TTL compatible
Vo(p-p)
analog output signal voltages Y, C, and CVBS without load
(peak-to-peak value)
1.2
1.35
1.45
V
RL
load resistance
75
300
ILE
LF integral linearity error
±3
LSB
DLE
LF differential linearity error
±1
LSB
Tamb
operating ambient temperature
0
+70
°C
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