SGM9115 Shengbang Microelectronics, SGM9115 Datasheet

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SGM9115

Manufacturer Part Number
SGM9115
Description
3rd Order SDTV Video Filter Drivers
Manufacturer
Shengbang Microelectronics
Datasheet

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PRODUCT DESCRIPTION
SGM9115 is a video buffer which integrates triple 6dB
Gain rail-to-rail output driver and triple 3rd output
reconstruction filter, it has 9MHz -3dB bandwidth and
44V/µs slew rate. SGM9115 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
6.8mA quiescent current, the SGM9115 is ideally
suited for battery powered applications.
SGM9115 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. SGM9115 also integrates an internal level
shift circuit which avoids sync-pulse being clipped
and allows DC-coupled output. The drivers in
SGM9115 can drive DC or AC-coupled single (150
or dual (75
The SGM9115 has lead (Pb) free SOIC-8 package and
ESD(HBM) reaches 8KV.
BLOCK DIAGRAM
SGM9115
Shengbang Microelectronics Co, Ltd
Tel: 86/451/84348461
www.sg-micro.com
Ω
) loads.
IN1
IN2
IN3
Transparent
Transparent
Transparent
Clamp
Clamp
Clamp
Ω
9MHz, 3rd order
9MHz, 3rd order
9MHz, 3rd order
)
FEATURES
• Triple 3rd order 9MHz (SD) filters
• Transparent input clamping
• 6dB output driver Gain and drive dual video
• Rail-to-Rail Output
• Input Voltage Range Includes Ground
• AC or DC Coupled Inputs
• AC or DC Coupled Outputs
• Operates from 2.5 V to 5.5 V Single power
• Low Power (2.3mA/channel)
• Lead (Pb) Free SOIC-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
load
supply
6 dB
6 dB
6 dB
6.8 mA total Supply Current
SDTV Video Filter Drivers
OUT1
OUT2
OUT3
Triple, 9MHz,
3rd Order
REV. B

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SGM9115 Summary of contents

Page 1

... DC-coupled output. The drivers in SGM9115 can drive DC or AC-coupled single (150 or dual (75 ) loads. Ω The SGM9115 has lead (Pb) free SOIC-8 package and ESD(HBM) reaches 8KV. BLOCK DIAGRAM Shengbang Microelectronics Co, Ltd Tel: 86/451/84348461 www.sg-micro.com ...

Page 2

... SGM9115 MIN/ MAX mV MAX pA TYP mV MIN mA MIN MΩ MIN V/V MIN V/V MAX V MIN mA MAX mA MIN V MIN V MAX dB MIN mA MAX MHz TYP MHz TYP dB TYP dB TYP V/µs TYP % TYP % TYP ° TYP ° TYP ...

Page 3

... PACKAGE MARKING OPTION INFORMATION Tape and Reel, 2500 SGM9115ZS Tape and Reel, 2500 SGM9115XS PIN NAME FUNCTION Video input, channel 1 1 IN1 Video input, channel 2 2 IN2 Video input, channel 3 ...

Page 4

... PSRR vs. Frequency(Bypass Caps) -40 -45 -50 -55 -60 -65 -70 -75 -80 -85 -90 0.01 0.1 Frequency(MHz 100 0 0.1 0.2 0.3 0.4 0 100 4 Phase vs. Frequency 270 180 90 0 -90 -180 -270 0 Frequency(MHz) Small Signal Step Response 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 Time (µs) PSRR vs. Frequency(No Bypass Caps) 0 -10 -20 -30 -40 -50 -60 -70 -80 0.01 0 Frequency(MHz) SGM9115 100 100 ...

Page 5

... Supply Voltage(V) Output Voltage Swing to The Negative Rail vs. Output Current 0 0.6 IN -40℃ 0.5 +25℃ 0.4 +85℃ 0.3 0.2 0 Output Current(mA) Quiescent Current vs. Temperature -50 - Temperature(℃) SGM9115 5 5.5 80 100 100 125 ...

Page 6

... SGM9115 can be directly connected to the output of a single-supply, current-output DAC without any external bias network. Some time, if DAC’s output level exceeds the range 1.4V, or SGM9115 is driven by an unknown external source or a SCART switch which has its own clamping circuit, AC coupling is needed in such applications. ...

Page 7

... IN2 OUT2 B 220µF 75Ω 75Ω 220µF 75Ω IN3 OUT3 C 220µF 75Ω GND 75Ω Loading 1 to Loading 2 to Loading 1 The three ports and C should be immediate as signal to Loading 2 output pin in layout to Loading 1 to Loading 2 SGM9115 ...

Page 8

... SGM9115 ...

Page 9

... Data Sheet changed from REV REV. B Adds applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 www.DataSheet4U.com Shengbang Microelectronics Co, Ltd Unit 3, ChuangYe Plaza No.5, TaiHu Northern Street, YingBin Road Centralized Industrial Park Harbin Development Zone Harbin, HeiLongJiang 150078 P.R. China Tel.: 86-451-84348461 Fax: 86-451-84308461 www.sg-micro.com 9 Page SGM9115 ...

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