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Part Number: MAX4657
Description: Maxim's MAX4655MAX4658 are medium-voltage CMOS analog switches with low on-resistance of 10 max, speci...
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MAX4657
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General Description
MAX4657 General Description
Maxim's MAX4655MAX4658 are medium-voltage CMOS analog switches with low on-resistance of 10 max, specifically designed to handle large switch currents.With a switch capability of up to 400mA peak current and 300mA continuous current (MAX4655/ MAX4656), and up to 300mA peak current and 150mA continuous current (MAX4657/MAX4658), these parts can switch loads as low as 25. They can replace reed relays with a million times the speed and virtually unlimited number of lifetime cycles. Normal power consumption is only 3mW, whether the switch is on or off. These parts are TTL/CMOS compatible and will switch any voltage within its power-supply range.
These are SPST (single-pole/single-throw) switches. The MAX4655/MAX4657 are normally closed (NC), while the MAX4656/MAX4658 are normally open (NO). The difference between the MAX4655/MAX4656 and the MAX4657/MAX4658 is in the power dissipation of their packages. Refer to the Absolute Maximum Ratings and the Electrical Characteristics.
The MAX4655MAX4658 power-supply range is from ±4.5V to ±20V for dual supply operation and +9V to +40V for single supply operation. These switches can operate from any combination of supplies, within a 40V V+ to V- range. They conduct equally well in either direction and can handle Rail-to-Rail® analog signals. The offleakage current is only 1nA max at TA = +25°C. They are available in 8-pin MAX, QFN, and SO packages, with exposed pad options for high-power applications.
MAX4657 Maximum Ratings
V+ to GND ..............................................................-0.3V to +44V
V- to GND ...............................................................-44V to +0.3V
V+ to V-...................................................................-0.3V to +44V
All Other Pins to GND (Note 1)....................V- - 0.3V to V+ + 0.3V
Continuous Current, COM, NO, NC
(MAX4655/MAX4656) .....................................................±300mA
Continuous Current, COM, NO, NC
(MAX4657/MAX4658) .....................................................±150mA
Continuous Current, IN ...................................................±30mA
Peak Current, COM, NO, NC
(pulsed at 1ms, 10% duty cycle)
MAX4655/MAX4656........................................................±400mA
(pulsed at 1ms, 10% duty cycle)
MAX4657/MAX4658........................................................±300mA
Continuous Power Dissipation (TA = +70°C)
8-Pin QFN (derate 24.4mW/°C above +70°C) ..............195mW
8-Pin MAX-EP (derate 10.3mW/°C above +70°C)
MAX4655/MAX4656 .........................................................825mW
8-Pin MAX (derate 4.50mW/°C above +70°C)
MAX4657/MAX4658 .........................................................362mW
8-Pin SO-EP (derate 18.9mW/°C above +70°C)
MAX4655/MAX4656 .......................................................1509mW
8-Pin SO (derate 5.88mW/°C above +70°C)
MAX4657/MAX4658 .........................................................471mW
Operating Temperature Ranges
MAX4655MAX4658.........................................-40°C to +85°C
Junction Temperature.....................................................+150°C
Storage Temperature Range ..........................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Note 1: Signals on NC, NO, COM, or IN exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to maximum current rating.
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
MAX4657 Features
` High Continuous Current Handling
300mA (MAX4655/MAX4656)
150mA (MAX4657/MAX4658)
` High Peak Current Handling
400mA (MAX4655/MAX4656)
300mA (MAX4657/MAX4658)
` 10 max On-Resistance (±15V supplies)
` VL not Required
` 1 max RON Flatness over Specified Signal Range
` Rail-to-Rail Signal Handling
` +12V Single Supply or ±15V Dual Supply Operation
` Pin Compatible with DG417, DG418
300mA (MAX4655/MAX4656)
150mA (MAX4657/MAX4658)
` High Peak Current Handling
400mA (MAX4655/MAX4656)
300mA (MAX4657/MAX4658)
` 10 max On-Resistance (±15V supplies)
` VL not Required
` 1 max RON Flatness over Specified Signal Range
` Rail-to-Rail Signal Handling
` +12V Single Supply or ±15V Dual Supply Operation
` Pin Compatible with DG417, DG418
MAX4657 Typical Application
·Relay Replacement
·Test Equipment
·Communication Systems
·xDSL Modems
·PBX, PABX Systems
·Audio Signal Routing
·Audio Systems
·PC Multimedia Boards
·Redundant/Backup Systems
·Test Equipment
·Communication Systems
·xDSL Modems
·PBX, PABX Systems
·Audio Signal Routing
·Audio Systems
·PC Multimedia Boards
·Redundant/Backup Systems
MAX4657 Connection Diagram
MAX4657
PDF/DataSheet Download
- Datasheet: MAX4657
- File Size: 387596 KB
- Manufacturer: Maxim
- Click here to Download
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MAX4656
Maxim's MAX4656 ismedium-voltage CMOS analog switches with low on-resistance of 10 max, specifically designed to handle large switch currents.With a switch capability of up to 400mA peak current and 300mA continuous current (MAX4655/ MAX4656), and up to 300m...
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