375MHz Quad Closed Loop Video Buffers, A_V = +1 and +2

Overview

Technical Documents

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Status

All versions are No Longer Available.

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 slew-rate 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.

Data Sheet

Download	Rev 1	(PDF, 232kB)
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Key Features

MAX496 Fixed Gain: +1V/V
MAX497 Fixed Gain: +2V/V
High Speed Small-Signal -3dB Bandwidth:
- 375MHz (MAX496)
- 275MHz (MAX497)
High Speed 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/√Hz Input-Referred Voltage Noise
Low Distortion: 64dBc (f = 10MHz)
Directly Drives 50Ωor 75Ω Back-Terminated Cables
High ESD Protection: 5000V
Output Short-Circuit Protected

Applications/Uses

Broadcast and High-Definition TV Systems
Computers: Desktop, Workstation, Server
High-Speed Signal Processing
Medical Imaging
Multimedia Products
Surveillance Video
Video Routing and Switching Systems

Diagram

Typical Operating Circuit

Notes and Comments

Quad, gain of +1 (0dB) closed-loop buffer, low DP/DG (MAX496)
Quad, gain of +2 (6dB) closed-loop buffer, low DP/DG (MAX497)

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-0373 Rev 1; 1998-12-01
This page last modified: 2007-11-30

375MHz Quad Closed Loop Video Buffers, AV = +1 and +2