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MFG:MAXIM  D/C:O9+  

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Part Number: MAX497

 

MFG: MAXIM

 

D/C: O9+

Description: The MAX496 and MAX497 are quad, closed-loop, ±5V video buffers that feature extremely high bandwidth a...


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MAX497 General Description


The MAX496 and MAX497 are quad, closed-loop, ±5V video buffers that feature extremely high bandwidth and slew rate for both component video (RGB or YUV) and composite video (NTSC, PAL, SECAM). The MAX496 is a unity-gain (0dB) buffer with a 375MHz -3dB bandwidth and a 1600V/µs slew rate. The MAX497 gain of +2 (6dB) buffer, optimized for driving back-terminated coaxial cable, features a 275MHz -3dB bandwidth and a 1500V/µs slew rate. The MAX496/MAX497 are not slewrate limited, thus providing a high full-power bandwidth of 230MHz and 215MHz, respectively.

The MAX496/MAX497 incorporate a unique two-stage architecture that combines the low offset and noise benefits of voltage feedback with the high bandwidth and slew-rate advantages of current-mode-feedback.

MAX497 Maximum Ratings

Supply Voltage (VCC to VEE) .....................................................12V
Voltage on Any Input Pin to GND ........(VCC + 0.3V) to (VEE - 0.3V)
Output Short-Circuit Current Duration .................................60sec
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) .............842mW
Narrow SO (derate 8.70mW/°C above +70°C) ..............696mW
Operating Temperature Range..............................0°C to +70°C
Storage Temperature Range .......................... -65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

MAX497 Features

· MAX496 Fixed Gain: +1V/V MAX497 Fixed Gain: +2V/V
· High Speed: Small-Signal -3dB Bandwidth: 375MHz (MAX496) 275MHz (MAX497) Full-Power -3dB Bandwidth: 230MHz (MAX496) 215MHz (MAX497)
· 0.1dB Gain Flatness: 65MHz (MAX496) 120MHz (MAX497)
· 1600V/µs Slew Rate (MAX496) 1500V/µs Slew Rate (MAX497)
· Fast Settling Time: 12ns to 0.1%
· Lowest Differential Phase/Gain Error: 0.01°/0.01%
· 2pF Input Capacitance
· 5.6nV/ÃHz Input-Referred Voltage Noise
· Low Distortion: 64dBc (f = 10MHz)
· Directly Drives 50½ or 75½ Back-Terminated Cables
· High ESD Protection: 5000V
· Output Short-Circuit Protected

MAX497 Typical Application

·Computer Workstations
·Surveillance Video
·Broadcast and High-Definition TV Systems
·Multimedia Products
·Medical Imaging
·High-Speed Signal Processing
·Video Switching and Routing

MAX497 Connection Diagram

MAX497  Connection Diagram

MAX497 datasheet

MAX497
PDF/DataSheet Download

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