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EL4101C PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EL4101C
기능 500MHz Video Front End - 4:1MUX + DC-Restore
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EL4101C 데이터시트, 핀배열, 회로
EL4101C - Preliminary
500MHz Video Front End - 4:1MUX + DC-Restore
Features
• 4:1 multiplexer with monitor out
• DC-restore amplifier
• ±5V operation
• 500MHz bandwidth
Applications
• HDTV/DTV analog inputs
• Video projectors
• Computer monitors
• Set top boxes
• Security video
• Broadcast video equipment
Ordering Information
Part No.
EL4101CU
Package
24-Pin QSOP
Tape & Reel
Outline #
MDP0040
General Description
The EL4101C VFE (Video Front End) is designed to perform the basic
input processing functions in an analog video system as well as provide
analog input processing for digital video systems. The EL4101C VFE
contains a 4:1 MUX input and a DC-restore amplifier. The MUX input
can be used to select which input to use. The DC-restore allows the
input signal to be positioned to the correct voltage level for either ana-
log or digital processing. A buffered output of the MUX selection is
also available for use as a monitor output.
With a 500MHz bandwidth and only 40mA supply current, the
EL4101C is ideal for use in portable and fixed projectors, as well as
HDTV, DTV and other high performance video applications.
The EL4101C is available in the 24-pin QSOP package and is specified
for operation over the full -40°C to +85°C temperature range.
Connection Diagram
SIG0
SIG1
SIG2
SIG3
LOGICD0
LOGICD1
HPULSE
1 HOLD
2 GNDL2
CAP 24
DCREF 23 DCV
0.33µF
3 IN0
+5V 4 VS1+
5 IN1
6 GNDI
7 IN2
-5V 8 VS1-
9 IN3
DCFDBK 22
VFDBK 21
VOUT 20
VS2+ 19 +5V
VS2- 18 -5V
MOUT 17
MFDBK 16
RGV
RFV
Video Out
RLV=150
Monitor Out
RLM=150
RFM
RGM
10 N.C.
GNDL 15
11 D0
PDWN 14 LOGICPD
12 D1
N.C. 13
Note: Pin #6 should be a good high frequency ground
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.




EL4101C pdf, 반도체, 판매, 대치품
EL4101C - Preliminary
500MHz Video Front End - 4:1MUX + DC-Restore
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin Name
HOLD
GNDL2
IN0
VS1+
IN1
GNDI
IN2
VS1-
IN3
D0
D1
PDWN
GNDL
MFDBK
MOUT
VS2-
VS2+
VOUT
VFDBK
DCFDBK
DCREF
CAP
Pin Type
Logic Input
Logic Ground
High Frequency Signal
Power
High Frequency Signal
Analog Signal
High Frequency Signal
Power
High Frequency Signal
Logic Input
Logic Input
Logic Input
Logic Ground
High Frequency Signal
High Frequency Signal
Power
Power
High Frequency Signal
High Frequency Signal
Analog Signal
Analog Signal
Analog Signal
Pin Description
Hold pulse for DC-restore function
Logic ground for “hold” buffer
Video input #0
Positive power pin for quiet supply currents
Video input #1
Reference voltage for attenuation function
Video input #2
Negative power pin for quiet supply currents
Video input #3
No connection
Parallel control bit #0
Parallel control bit #1
No connection
Power down input to put chip in low current standby mode
Logic ground for D0, D1, PWDN buffers
Monitor amplifier feedback
Monitor amplifier output
Negative power pin for heavy, pulsatile supply currents
Positive power pin for heavy, pulsatile supply currents
Video amplifier output
Video amplifier feedback
Input to sample circuit
Reference DC voltage representing black level
Sample storage capacitor for DC-restore circuit
4

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부품번호상세설명 및 기능제조사
EL4101C

500MHz Video Front End - 4:1MUX + DC-Restore

Elantec Semiconductor
Elantec Semiconductor
EL4101CU

500MHz Video Front End - 4:1MUX + DC-Restore

Elantec Semiconductor
Elantec Semiconductor

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