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MFG:MAXIM
Part Number: MAX7448
MFG: MAXIM
Description: The MAX7448, 4-channel, buffered video reconstruction filter is ideal for anti-aliasing and digital-to...
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MAX7448
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DataSheet
General Description
MAX7448 General Description
The MAX7448, 4-channel, buffered video reconstruction filter is ideal for anti-aliasing and digital-to-analog converter (DAC)-smoothing video applications or wherever analog video is reconstructed from a digital data stream (such as cable/satellite/terrestrial set-top boxes, DVD players, hard-disk recorders (HDRs), and personal video recorders (PVRs)). This device operates from a single +5V supply and has a flat passband out to 5MHz with a stopband attenuation of 43dB at 27MHz. This makes it ideal for use with NTSC, PAL, and standarddefinition digital TV (SDTV) video systems. Each output is capable of driving two standard 150 video loads.
The MAX7448 processes RGB and asynchronous CVBS video signals. The output video buffers have a fixed gain of +6dB. The channel used for CVBS video has high-frequency boost circuitry, which provides picture sharpness with +1.2dB of gain boost without degradation in the stopband. The output video drivers can be disabled with an external pin.
The MAX7448 is available in a 14-pin TSSOP package with an exposed pad, and is specified over the -40°C to +85°C extended temperature range.
MAX7448 Maximum Ratings
VCC to GND .............................................................................+6V
All Other Pins to GND.....................................-0.3V to (VCC + 0.3V)
Maximum Current into Any Pin Except VCC and GND .........±50mA
Continuous Power Dissipation (TA = +70°C)
TSSOP-EP (derate 20.8mW/°C above +70°C).............1667mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature........................................................+150°C
Lead Temperature (soldering, 10s) ...................................+300°C
All Other Pins to GND.....................................-0.3V to (VCC + 0.3V)
Maximum Current into Any Pin Except VCC and GND .........±50mA
Continuous Power Dissipation (TA = +70°C)
TSSOP-EP (derate 20.8mW/°C above +70°C).............1667mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature........................................................+150°C
Lead Temperature (soldering, 10s) ...................................+300°C
MAX7448 Features
` 4-Channel Filter and Buffer for RGB and CVBS
Video Signals
` Filter Response Ideal for NTSC, PAL, and
Interlaced SDTV Video Signals
` 43dB (typ) Stopband Attenuation at 27MHz
` ±0.75dB (max) Passband Ripple Out to 5MHz
` Blanking Level Voltage on Cable <1V
` Each Channel Drives Two 150 Video Loads
` +5V Single-Supply Voltage
` Small 14-Pin TSSOP Package
Video Signals
` Filter Response Ideal for NTSC, PAL, and
Interlaced SDTV Video Signals
` 43dB (typ) Stopband Attenuation at 27MHz
` ±0.75dB (max) Passband Ripple Out to 5MHz
` Blanking Level Voltage on Cable <1V
` Each Channel Drives Two 150 Video Loads
` +5V Single-Supply Voltage
` Small 14-Pin TSSOP Package
MAX7448 Typical Application
·Set-Top Boxes/HDRs
·DVD Players
·Game Consoles
·Digital VCRs
·Desktop Video Editors
·DVD Players
·Game Consoles
·Digital VCRs
·Desktop Video Editors
MAX7448 Connection Diagram
MAX7448
PDF/DataSheet Download
- Datasheet: MAX7448
- File Size: 217058 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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MAX7448 Relative Products
MAX7447EUD+T
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MAX7447EUD+
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MAX7447
The MAX7447 4-channel, buffered video reconstruction filter is ideal for anti-aliasing and DAC-smoothing video applications or wherever analog video is reconstructed from a digital data stream (such as cable/satellite/terrestrial set-top boxes, DVD players, ...
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MAX7446EUD+T
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The MAX7446 4-channel, buffered video reconstruction filter is ideal for anti-aliasing and DAC-smoothing video applications or wherever analog video is reconstructed from a digital data stream (such as cable/satellite/terrestrial set top boxes, DVD players, ...
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