MAX4550
Serially Controlled, Dual 4x2, Clickless Audio/Video Analog Crosspoint Switches
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Features
- Selectable Soft Switching Mode for Clickless Audio Operation
- 43Ω Typical On-Resistance (±5V Supplies)
- 5Ω Typical On-Resistance Matching Between Channels
- 4Ω Typical On-Resistance Flatness
- 0.014% Total Harmonic Distortion with 1kΩ Load
- -110dB Off-Isolation at 20kHz
- -78dB Off-Isolation at 4MHz
- -95dB Crosstalk at 20kHz
- -54dB Crosstalk at 4MHz
- Serial Interface
- 2-Wire, Fast-Mode, I²C-Compatible (MAX4550)
- 3-Wire, SPI/QSPI/MICROWIRE-Compatible (MAX4570)
- Four Auxiliary Outputs that Extend µP Ports
- Single-Supply Operation: +2.7V to +5.5V
- Dual-Supply Operation: ±2.7V to ±5.5V
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The MAX4550/MAX4570 serial-interface, programmable, dual 4x2 audio/video crosspoint switches are ideal for multimedia applications. Each device contains two identical crosspoint switch arrays, each with four inputs and two outputs. To improve off-isolation, use the additional crosspoint inputs SA and SB as shunts. Each output is selectively programmable for clickless or regular mode operation. A set of internal resistive voltage-dividers supplies DC bias for each output when using AC-coupled inputs. Additionally, four auxiliary outputs control additional circuitry via the MAX4550/MAX4570's 2-wire or 3-wire interface.
The MAX4550/MAX4570 feature 80Ω on-resistance, 10Ω on-resistance matching between channels, 5Ω on-resistance flatness, and 0.014% total harmonic distortion. Additionally, they feature off-isolation of at least -110dB in the audio frequency range and -78dB at 4MHz, with -95dB crosstalk in the audio frequency range and -54dB at 4MHz. The MAX4550 uses a 2-wire I²C-compatible serial interface, while the MAX4570 uses a 3-wire SPI™/QSPI™ or MICROWIRE™-compatible serial interface. These parts are available in 28-pin SSOP and wide SO packages and are tested over either the commercial (0°C to +70°C) or extended (-40°C to +85°C) operating temperature range.
Applications
- High-End Audio Systems
- PC Multimedia Boards
- Set-Top Boxes
- Video Conferencing Systems
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Submit your question below and we will return the best answer from ADI’s knowledge database:
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Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX4550
Documentation
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Data Sheet
3
MAX4550-MAX4570: Serially Controlled, Dual 4x2, Clickless Audio/Video Analog Crosspoint Switches Data Sheet (Rev.0)
Reliability Data
1
184.33K
Design Note
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Documentation
Data Sheet 1
Reliability Data 1
Design Note 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX4550CAI+ |
28-SSOP-5.3_MM
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| MAX4550CAI+T |
28-SSOP-5.3_MM
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| MAX4550EWI+ |
28-SOIC_W-300_MIL
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- MAX4550CAI+
- Pin/Package Drawing
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28-SSOP-5.3_MM
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- MAX4550CAI+T
- Pin/Package Drawing
-
28-SSOP-5.3_MM
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX4550EWI+
- Pin/Package Drawing
-
28-SOIC_W-300_MIL
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Software & Part Ecosystem
Evaluation Kits 1
MAX4550EVKIT
Evaluation Kit for the MAX4550
Features and Benefits
- Proven PC Board Layout
- Audio Mode
- -95dB Typical Crosstalk at 20kHz
- -110dB Typical Off-Isolation at 20kHz (10kΩ load)
- Video Mode
- -54dB Typical Crosstalk at 4.0MHz
- -78dB Typical Off-Isolation at 4.0MHz (1kΩ load)
- Total Harmonic Distortion (THD+N): 0.014%
- Easy-to-Use Software Included
- Fully Assembled and Tested Surface-Mount Board
Product Detail
The MAX4550 evaluation kit (EV kit) simplifies evaluation of the MAX4550 dual 4x2 crosspoint analog switch with 2-wire serial user interface. The EV kit includes Windows 95® software, which provides a handy user interface for exercising the features of the MAX4550.
This kit can also be used to evaluate the MAX4570. Simply order a free sample of the MAX4570CWI along with the MAX4550 EV kit.
Applications
- High-End Audio Systems
- PC Multimedia Boards
- Set-Top Boxes
- Video Conferencing Systems