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PDF ZXFV4089N8TC Data sheet ( Hoja de datos )
| Número de pieza | ZXFV4089N8TC | |
| Descripción | VIDEO AMPLIFIER WITH DC RESTORATION | |
| Fabricantes | Zetex Semiconductors | |
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VIDEO AMPLIFIER WITH DC RESTORATION
ZXFV4089
DEVICE DESCRIPTION
The ZXFV4089 is a DC restoring circuit and
low-distortion video amplifier. It is specially designed
to provide brightness level stability as a ‘black-level
clamp’ in video systems with very low distortion and
low power consumption.
A high fidelity video amplifier is combined with a
sample-hold switch circuit using an external coupling
capacitor to provide level-shifting of the video output
such that a time-gated sample of the waveform is set to
be equal to an external reference voltage (usually zero
voltage). A buffered TTL/CMOS logic input signal
controls the switch.
The gain is set externally by two resistors.
In a typical application, the sample-hold circuit is gated
on during part of the back-porch interval of an analog
video waveform. Then the video waveform is
stabilised for the remainder of the line-scan interval.
FEATURES AND BENEFITS
• Various TV systems, PAL, NTSC, SECAM
• Buffered output using high quality video amplifier
• Gain is set using two external resistors
• On chip sample/hold capacitor
• 300 MHz bandwidth
• 0.02% differential gain
• 0.02° differential phase
• +/-5V supply operation
• 8 mA supply current
• Pin and function compatible with industry
standard part
ORDERING INFORMATION
Part Number
Container
ZXFV4089N8TA
Reel 7″
ZXFV4089N8TC
Reel 13″
Increment
500
2500
CONNECTION DIAGRAM
APPLICATIONS
• Black Level Clamp, providing stable intensity in
video systems such as
cameras
image capture
video mixing
displays
• DC restoration of other high frequency signals
ADVANCED INFORMATION ISSUE D - SEPTEMBER 2002
1
1 page  
PACKAGE OUTLINE
CONTROLLING DIMENSIONS ARE IN INCHES
APPROX IN MILLIMETRES
ZXFV4089
PACKAGE DIMENSIONS
INCHES
DIM
MIN MAX
A 0.053 0.069
MILLIMETRES
MIN MAX
1.35 1.75
A1 0.004 0.010 0.10
0.25
D 0.189 0.197 4.80
5.00
H 0.228 0.244 5.80
6.20
E 0.150 0.157 3.80
4.00
L 0.016 0.050 0.40
1.27
e 0.050 BSC
1.27 BSC
b 0.013 0.020 0.33
0.51
c 0.008 0.010 0.19
0.25
⍜ 0Њ 8Њ 0Њ
h 0.010 0.020 0.25
8Њ
0.50
© Zetex plc 2002
Europe
Zetex plc
Fields New Road
Chadderton
Oldham, OL9 8NP
United Kingdom
Telephone (44) 161 622 4422
Fax: (44) 161 622 4420
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Americas
Zetex Inc
700 Veterans Memorial Hwy
Hauppauge, NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Asia Pacific
Zetex (Asia) Ltd
3701-04 Metroplaza, Tower 1
Hing Fong Road
Kwai Fong
Hong Kong
Telephone: (852) 26100 611
Fax: (852) 24250 494
These offices are supported by agents and distributors in major countries world-wide.
This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or reproduced
for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services concerned. The Company
reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.
For the latest product information, log on to www.zetex.com
ADVANCED INFORMATION ISSUE D - SEPTEMBER 2002
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet ZXFV4089N8TC.PDF ] | |
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