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SGM9123 Datasheet PDF - Shengbang Microelectronics

Part Number SGM9123
Description 3rd Order SDTV Video Filter Drivers
Manufacturers Shengbang Microelectronics 
Logo Shengbang Microelectronics Logo 

Preview ( 9 pages )
		
SGM9123 datasheet, circuit
SGM9123
Triple, 8MHz, 3rd Order
SDTV Video Filter Drivers
GENERAL DESCRIPTION
SGM9123 is a video buffer which integrates triple 6dB
Gain rail-to-rail output driver and triple 3rd output
reconstruction filter, it has 8MHz -3dB bandwidth and
44V/µs slew rate. SGM9123 provides improved image
quality compared with passive LC filters and discrete
drivers solution. Operating from single supplies
ranging from +2.5V to +5.5V and sinking an ultra-low
www.DataSh7e.e4tm4UA.comquiescent current, the SGM9123 is ideally
suited for battery powered applications.
SGM9123 can be DC-coupled or AC-coupled with
input video signal, such as the output stage of DAC to
eliminate out-of-band noise. Internal diode clamps
and bias circuitry may be used if AC-coupled inputs
are required. SGM9123 also integrates an internal
level shift circuit which avoids sync-pulse being
clipped and allows DC-coupled output. The drivers in
SGM9123 can drive DC or AC-coupled single (150Ω)
or dual (75 Ω) loads.
The SGM9123 has lead (Pb) free SO-8 package and
ESD (HBM) reaches 8KV.
FEATURES
Triple 3rd order 8MHz (SD) Filters
Transparent Input Clamping
6dB Output Driver Gain and Drive Dual Video Load
Rail-to-Rail Output
Input Voltage Range Includes Ground
AC or DC Coupled Inputs
AC or DC Coupled Outputs
Operates from 2.5V to 5.5V Single Power Supply
Low Power (2.5mA/channel)
7.4mA Total Supply Current
Lead (Pb) Free SO-8 Package
APPLICATIONS
Video Amplifiers
Cable and Satellite Set Top Boxes
Communications Devices
Video on Demand
Portable and Handheld Products
Personal Video Recorders
DVD Players
SDTVs
BLOCK DIAGRAM
SG Microelectronics Co, Ltd
Tel: 86/10/51798160/80
www.sg-micro.com
REV. A

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SGM9123 equivalent
TYPICAL PERFORMANCE CHARACTERISTICS
At VS = +5.0V, TA = +25, RL= 150, all outputs AC coupled with 220µF, unless otherwise noted.
2
1.8
1.6
1.4
1.2
1
0.8
www.DataSheet4U0..c6om
0.4
0.2
0
-40
Gain Error vs. Temperature
-15 10 35 60 85 110
Temperature ()
9
8.5
8
7.5
7
6.5
6
5.5
5
4.5
4
2.5
Quiescent Current vs. Supply Voltage
3 3.5 4 4.5
Supply Voltage (V)
5
5.5
50
45
40
35
30
25
20
15
10
0.01
Group Delay vs. Frequency
0.1 1
Frequency (MHz)
10
12
11
10
9
8
7
6
5
4
3
2
-40
Quiescent Current vs. Temperature
-15 10 35 60 85 110
Temperature ()
Output Voltage Swing to The Negative Rail
vs. Output Current
1.2
1 -40
0.8 +25
0.6 +85
0.4
0.2
0
0 20 40 60 80 100
Output Current (mA)
Output Voltage Swing to The Positive Rail vs.
Output Current
5
4.75
4.5
4.25
4
3.75
+85
3.5
3.25
3
0
+25
-40
20 40 60 80
Output Current (mA)
100
5 SGM9123

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Information Total 9 Pages
Download[ SGM9123.PDF Datasheet ]

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