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PDF SGM9125 Datasheet ( Hoja de datos )

Número de pieza SGM9125
Descripción Standard Definition Video Filter Driver
Fabricantes Shengbang Microelectronics 
Logotipo Shengbang Microelectronics Logotipo

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SGM9125 Hoja de datos, Descripción, Manual
SGM9125
5-Channel, 5th-Order, Standard
Definition Video Filter Driver
PRODUCT DESCRIPTION
The SGM9125 is a low voltage, 5-channel video
amplifier with integrated reconstruction filters and input
clamps. Specially suited for standard definition video
signals, this device is ideal for a wide range of
television and set-top box applications.
SGM9125 offers 6dB gain rail-to-rail output driver and
5th-order output reconstruction filter on all five
channels. It has 8MHz -3dB bandwidth and 35V/µs
slew rate. SGM9125 provides improved image quality
compared with passive LC filters and discrete drivers
solution. Operating from single power supply ranging
from 3.3V to 5.5V and sinking an ultra-low 44mA
quiescent current, the SGM9125 is ideally suited for
battery powered applications.
SGM9125 can be DC-coupled or AC-coupled with input
video signal, such as the output stage of DAC to
eliminate out-of-band noise. The output in SGM9125
can be configured as DC- or AC-coupled output.
The SGM9125 is available in Green TSSOP-14
package. It operates over an ambient temperature
range of -40to +85.
BLOCK DIAGRAM
FEATURES
5-Channel 5th-Order 8MHz (SD) Filters
Transparent Input Clamping
6dB Output Driver Gain
Rail-to-Rail Output
Input Voltage Range Includes Ground
AC- or DC-Coupled Inputs
AC- or DC-Coupled Outputs
Operates from 3.3V to 5.5V Power Supply
Low Power
44mA Total Supply Current
Available in Green TSSOP-14 Package
-40to +85Operating Temperature Range
APPLICATIONS
Cable and Satellite Set-Top Boxes
Video Amplifiers
Communication Devices
Portable and Handheld Products
Personal Video Recorders
Video on Demand
DVD Players
HDTVs
IN1 Transparent Clamp
IN2 Transparent Clamp
IN3 Transparent Clamp
IN4 Transparent Clamp
IN5 Transparent Clamp
8MHz, 5th-Order
8MHz, 5th-Order
8MHz, 5th-Order
8MHz, 5th-Order
8MHz, 5th-Order
6dB OUT1
6dB OUT2
6dB OUT3
6dB OUT4
6dB OUT5
SG Micro Corp
www.sg-micro.com
REV. A. 2

1 page

SGM9125 pdf
SGM9125
5-Channel, 5th-Order, Standard
Definition Video Filter Driver
TYPICAL PERFORMANCE CHARACTERISTICS
At VCC = 5V, TA = +25, RL = 150, all outputs AC-coupled with 220μF, unless otherwise noted.
Quiescent Current vs. Temperature
54
50
46
42
38
34
-40
-15 10 35
Temperature ()
60
85
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40
Gain Error vs. Temperature
-15 10
35
Temperature ()
60
85
Output Voltage Swing to the Positive Rail vs.
Output Current
5
4.75
4.5
4.25
4
0
+85
+25
-40
20 40 60 80
Output Current (mA)
100
Output Voltage Swing to the Negative Rail vs.
Output Current
1.4
1.2
1
0.8
-40
+25
0.6 +85
0.4
0.2
0
0 20 40 60 80 100
Output Current (mA)
SG Micro Corp
www.sg-micro.com
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