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MFG:MAXIM
Part Number: MAX7449
MFG: MAXIM
Description: The MAX7449, 3-channel, buffered video reconstruction filter is ideal for anti-aliasing and digital-to...
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MAX7449
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DataSheet
General Description
MAX7449 General Description
The MAX7449, 3-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 MAX7449 processes component RGB video signals. The output video buffers have a fixed gain of +6dB. The output video drivers can be disabled with an external pin.
The MAX7449 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.
MAX7449 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
MAX7449 Features
` 3-Channel Filter and Buffer for RGB Video Signals
` External Sync Signal Input
` Filter Response Ideal for NTSC, PAL, and
Interlaced SDTV Video Signals
` 43dB (typ) Stopband Attenuation at 27MHz
` ±0.75dB (max) Passband Ripple at 5MHz
` Blanking Level Voltage on Output <1V
` Each Channel Drives Two 150 Video Loads
` +5V Single-Supply Voltage
` Small 14-Pin TSSOP Package
` External Sync Signal Input
` Filter Response Ideal for NTSC, PAL, and
Interlaced SDTV Video Signals
` 43dB (typ) Stopband Attenuation at 27MHz
` ±0.75dB (max) Passband Ripple at 5MHz
` Blanking Level Voltage on Output <1V
` Each Channel Drives Two 150 Video Loads
` +5V Single-Supply Voltage
` Small 14-Pin TSSOP Package
MAX7449 Typical Application
·Set-Top Boxes/HDRs
·Game Consoles
·Desktop Video Editors
·DVD Players
·Digital VCRs
·Game Consoles
·Desktop Video Editors
·DVD Players
·Digital VCRs
MAX7449 Connection Diagram
MAX7449
PDF/DataSheet Download
- Datasheet: MAX7449
- File Size: 189388 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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