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MAX9657, MAX9658
Quad Video (Filter) Amplifiers with Input Sync-Tip Clamps

Support VGA and Standard-Definition Video Signals


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 280kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX9657 is a small, low-power, quad video amplifier with input sync-tip clamps. It features a bandwidth of 15MHz, making it suitable for not only standard-definition video signals, but also video graphics array (VGA) signals with a 640 x 480 resolution at up to 85Hz refresh rate.

The MAX9658 is a quad video amplifier with integrated lowpass filters and input sync-tip clamps. The lowpass filters typically have ±1dB passband flatness out to 9.5MHz and 47dB attenuation at 27MHz. Specially suited for composite video signals, the MAX9658 is ideal for performing anti-alias filtering at the inputs of a digital video recorder or for performing reconstruction filtering at the outputs of a SCART set-top box.

Both devices require that the incoming video signals be AC-coupled to the inputs. The input sync-tip clamps set the internal DC level of the video signals.

The amplifiers have 2V/V gain, and the outputs can be DC-coupled to a 75Ω load, which is the equivalent of two video loads, or AC-coupled to a 150Ω load.

Both the MAX9657/MAX9658 feature a low-power shutdown mode, in which supply current is reduced to 35µA.

The MAX9657/MAX9658 operate from a single 2.7V to 3.6V supply, are specified over the -40°C to +125°C automotive temperature range, and are offered in a small, 16-pin QSOP package.

An evaluation kit is available:  MAX9657EVKIT  

Key Features   Applications/Uses
  • Quad Channel
  • 9.5MHz, ±1dB Passband (MAX9658)
  • 47dB Attenuation at 27MHz (MAX9658)
  • Fixed Gain of 2V/V
  • Low Power: 21mA
  • 2.7V to 3.6V Single-Supply Operation

 
  • Digital Video Recorders
  • Set-Top Boxes

Key Specifications:  Video/Wideband Buffers
Part Number Amps. Single Supply BW
(MHz)
BW
(MHz)
ICC
(mA)
Slew Rate
(V/µs)
Diff. Phase/ Gain
(deg/%)
AV
(V/V)
VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
Price
@ -3dB 0.1dB min per Amp. max w/pins See Notes
MAX9657  4 Yes 10 5.5 5 65 0.45/0.4 2 2.7 to 3.6
QSOP/16
30.9 -40 to +125 $0.42 @1k
See All Video/Wideband Buffers (20)

Key Specifications:  Video Reconstruction Filters
Part Number Analog Switch Filter Type Signal Type Passband Response Stopband Attenuation Channels VSUPPLY
(V)
Oper. Temp.
(°C)
Price
See Notes
MAX9657  No
PS
SDTV
VGA
Async CVBS
CVBS
RGB
S-Video
Y Pb Pr
-3dB to 15MHz - 4 2.7 to 3.6 -40 to +125 $0.42 @1k
MAX9658 
SDTV
VGA
CVBS
RGB
S-Video
Y Pb Pr
±1dB to 9.5MHz 47dB at 27MHz $0.45 @1k
See All Video Reconstruction Filters (47)

Diagram
MAX9657, MAX9658: Functional Diagram
Functional Diagram

Evaluation Kits
  • MAX9657EVKIT

    Design Guides
  • Video (PDF)

    Reliability Reports
  • Reliability Report: MAX9657.pdf MAX9658.pdf
  • Show FIT data for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-5 of 5

    MAX9657 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX9657AEE+  
    Active QSOP;16 pin;30.9 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9657AEE+T    
    Active

    Land Pattern: Not Available

    -40°C to +125°C See data sheet
    MAX9658 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX9658EVKIT+    
    Active

    Land Pattern: Not Available

    See data sheet
    MAX9658AEE+  
    Active QSOP;16 pin;30.9 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9658AEE+T    
    Active

    Land Pattern: Not Available

    -40°C to +125°C See data sheet

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    Document Ref.: 19-4453; Rev 0; 2009-02-11
    This page last modified: 2009-08-12


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