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MFG:MAXIM  Package Cooled:PLCC  

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Part Number: MAX4456CQH

 

MFG: MAXIM

Package Cooled: PLCC

 

Description: The MAX4359/MAX4360/MAX4456 low-cost video crosspoint switches are designed to reduce component count,...


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MAX4456CQH General Description


The MAX4359/MAX4360/MAX4456 low-cost video crosspoint switches are designed to reduce component count, board space, design time, and system cost. Each contains a matrix of T-switches that connect any of their four (MAX4359) or eight (MAX4360/MAX4456) video inputs to any of their buffered outputs, in any combination. Each matrix output is buffered by an internal, high-speed (250V/µs), unity-gain amplifier that is capable of driving 400Ω and 20pF at 2.6Vp-p. For applications requiring increased drive capability, buffer the MAX4359/ MAX4360/MAX4456 outputs with the MAX497 quad, gain-of-two video line driver.

The MAX4456 has a digitally controlled 8x8 switch matrix and is a low-cost pin-for-pin compatible alternative to the popular MAX456. The MAX4359/MAX4360 are similar to the MAX4456, with the 8x8 switch matrix replaced by a 4x4 (MAX4359) or an 8x4 (MAX4360) switch matrix.

Three-state output capability and internal, programmable active loads make it feasible to parallel multiple devices to form larger switch arrays. The inputs and outputs are on opposite sides, and a quiet power supply or digital input line separates each channel, which reduces crosstalk to -70dB at 5MHz. For applications demanding better DC specifications, see the MAX456 8x8 video crosspoint switch.

MAX4456CQH Maximum Ratings

Total Supply Voltage (V+ to V-) ...........................................+12V
Positive Supply Voltage (V+) Referred to AGND .....-0.3V to +12V
Negative Supply Voltage (V-) Referred to AGND ....-12V to +0.3V
DGND to AGND...................................................................±0.3V
Buffer Short Circuit to Ground when
Not Exceeding Package Power Dissipation ..................Indefinite
Analog Input Voltage ...........................(V+ + 0.3V) to (V- - 0.3V)
Digital Input Voltage ............................(V+ + 0.3V) to (V- - 0.3V)
Input Current, Power On or Off
Digital Inputs....................................................................±20mA
Analog Inputs ..................................................................±50mA
Continuous Power Dissipation (TA = +70°C)
36-Pin SSOP (derate 11.8mW/°C above +70°C) ...........941mW
24-Pin SO (derate 11.8mW/°C above +70°C)................941mW
40-Pin Plastic DIP (derate 11.3mW/°C above +70°C)....889mW
44-Pin PLCC (derate 13.3mW/°C above +70°C) .........1066mW
Operating Temperature Ranges
MAX4456C _ _ ......................................................0°C to +70°C
MAX4_ _ _E_ _ ..................................................-40°C to +85°C
Junction Temperature......................................................+150°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.

MAX4456CQH Features

· Eight (MAX4456) or Four (MAX4359/MAX4360) Internal Buffers 250V/µs Slew Rate Three-State Output Capability Power-Saving Disable Feature 65MHz -3dB Bandwidth
· Routes Any Input Channel to Any Output Channel
· Serial or Parallel Digital Interface
· Expandable for Larger Switch Matrices
· 80dB All-Channel Off-Isolation at 5MHz
· 70dB Single-Channel Crosstalk
· Straight-Through Pinouts Simplify Layout
· Low-Cost Pin-Compatible Alternative to MAX456 (MAX4456)

MAX4456CQH Typical Application

·High-Speed Signal
·Routing
·Video-On-Demand
·Systems
·Video Test Equipment
·Video Conferencing
·Security Systems

MAX4456CQH Connection Diagram

MAX4456CQH  Connection Diagram

MAX4456CQH datasheet

MAX4456CQH
PDF/DataSheet Download

  • Datasheet: MAX4456CQH
  • File Size: 255686 KB
  • Manufacturer: MAXIM [Maxim Integrated Products]
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