ZXFV4089, ZXFV4089N8TA, ZXFV4583 Selling Leads, Datasheet
MFG:ZETEX Package Cooled:SOP8 D/C:02+
ZXFV4089, ZXFV4089N8TA, ZXFV4583 Datasheet download
Part Number: ZXFV4089
MFG: ZETEX
Package Cooled: SOP8
D/C: 02+
ZXFV4089, ZXFV4089N8TA, ZXFV4583
- Table of contents:
Info of ZXFV4089
Info of ZXFV4089N8TA
Info of ZXFV4583
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About ZXFV4089
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Datasheet: ZXFV4089
File Size: 54890 KB
Manufacturer: ZETEX [Zetex Semiconductors]
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About ZXFV4089N8TA
PDF/DataSheet Download
Datasheet: ZXFV4089N8TA
File Size: 54890 KB
Manufacturer: ZETEX [Zetex Semiconductors]
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About ZXFV4583
PDF/DataSheet Download
Datasheet: ZXFV4583
File Size: 217636 KB
Manufacturer: ZETEX [Zetex Semiconductors]
Download : Click here to Download
ZXFV4089 General 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.
ZXFV4089 Maximum Ratings
| Part Number | ZXFV4089 |
| Output current - source (mA) | |
| Input Common Mode Voltage (V) | |
| Input Bias Current (typ) (nA) | |
| Input Offset Voltage (typ) (mV) | |
| Supply Current (mA) @5V (per Op Amp) | |
| Supply Voltage Range (V) | |
| Number of Channels | |
| Output current - sink (mA) | |
| Operating Ambient Temp Range (°C) |
ZXFV4089 Features
• 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
• 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
ZXFV4089 Typical Application
• Black Level Clamp, providing stable intensity in
video systems such as
cameras
image capture
video mixing
displays
• DC restoration of other high frequency signals
video systems such as
cameras
image capture
video mixing
displays
• DC restoration of other high frequency signals
ZXFV4583 General Description
The ZXFV4583 provides the ability to separate out video synchronization signals for a wide variety of TV and CRT display systems, standard and non-standard.
Flexibility arises from the use of just three external resistors to adapt to each application. One resistor controls a fully integrated internal color carrier filter with variable bandwidth. This filter avoids disturbance from the color carrier, permitting accurate threshold slicing for timing extraction.
A second resistor controls the voltage threshold for loss of signal detection after a time-out interval. The third resistor controls the timing functions.
DC restoration for displays is facilitated by the Back Porch synch output, which can be used to drive an external circuit to clamp the blanking voltage to a fixed level.
ZXFV4583 Maximum Ratings
Supply voltage VCC -0.5V to +7V
Inputs to ground* -0.5V to VCC +0.5V
Operating temperature range -40 to 85
Storage -65 to +150
Operating ambient junction temperature TJMAX150C**
**The thermal resistance from the semiconductor die to ambient is typically 120C/W when the SO16 package is mounted on a PCB in free air. The power dissipation of the device when loaded must be designed to keep the device junction temperature below TJMAX.
*During power-up and power-down, these voltage ratings require that signals be applied only when the power supply is connected.
Inputs to ground* -0.5V to VCC +0.5V
Operating temperature range -40 to 85
Storage -65 to +150
Operating ambient junction temperature TJMAX150C**
**The thermal resistance from the semiconductor die to ambient is typically 120C/W when the SO16 package is mounted on a PCB in free air. The power dissipation of the device when loaded must be designed to keep the device junction temperature below TJMAX.
*During power-up and power-down, these voltage ratings require that signals be applied only when the power supply is connected.
ZXFV4583 Features
• PAL, NTSC, SECAM
• Variable filter for optimal accuracy
• Sync outputs: composite, horizontal, vertical, back porch, odd/even
• No-signal detector
• On chip sample / hold capacitors
• +5V single supply
• Default vertical output where there are no serration pulses
• Pin and layout compatible with part EL4583 in SO16N surface mount package
• Variable filter for optimal accuracy
• Sync outputs: composite, horizontal, vertical, back porch, odd/even
• No-signal detector
• On chip sample / hold capacitors
• +5V single supply
• Default vertical output where there are no serration pulses
• Pin and layout compatible with part EL4583 in SO16N surface mount package
ZXFV4583 Typical Application
• Digital image capture
• Video input systems requiring separation of picture timing
• Video distribution
• CCTV surveillance
• Digital multimedia
• Timing for black level clamp
• Video input systems requiring separation of picture timing
• Video distribution
• CCTV surveillance
• Digital multimedia
• Timing for black level clamp
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