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Part Number: MAX4947
Description: The MAX4947/MAX4948 analog switches operate from a single +1.8V to +5.5V supply. These switches featur...
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MAX4947
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DataSheet
General Description
MAX4947 General Description
The MAX4947/MAX4948 analog switches operate from a single +1.8V to +5.5V supply. These switches feature a low 30pF (typ) capacitance for high-speed data switching applications. The MAX4947 is a triple double-pole/double-throw (DPDT) switch, and the MAX4748 is a hex single-pole/doublethrow (SPDT) switch with one control logic input.
The MAX4947 has three logic inputs to control the switches in pairs. The MAX4948 has one logic input and an enable input (EN) to disable the switches.
The MAX4947/MAX4948 are available in small 24-pin (4mm x 4mm) TQFN and 25-bump (2.5mm x 2.5mm) chip-scale packages (UCSP™).
MAX4947 Maximum Ratings
VCC to GND ...........................................................-0.3V to +6.0V
All other pins to GND (Note 1) ......................-0.3V to VCC + 0.3V
Continuous Current
NO_, NC_, COM_ ...........................................................±100mA
Peak Current NO_, NC_, COM_
(pulsed at 1ms, 50% Duty Cycle)...................................±200mA
(pulsed at 1ms, 10% Duty Cycle)...................................±300mA
Continuous Power Dissipation (TA = +70°C)
25-Bump UCSP (derate 12.2mW/°C above +70°C) ......976mW
24-Pin TQFN (derate 20.8mW/°C above +70°C) .........1667mW
Operating Temperature Range ........................-40°C to +85°C
Junction Temperature ......................................................150°C
Storage Temperature Range .........................-65°C to +150°C
Bump Temperature (soldering)
Infrared (15s) ...............................................................+220°C
Vapor Phase (60s) ........................................................+215°C
Lead Temperature (soldering) ......................................+300°C
Note 1: Signals on CB_, NO_, NC_, COM_, EN exceeding VCC or GND are clamped by internal diodes. Limit forward-diode current
to maximum current rating.
All other pins to GND (Note 1) ......................-0.3V to VCC + 0.3V
Continuous Current
NO_, NC_, COM_ ...........................................................±100mA
Peak Current NO_, NC_, COM_
(pulsed at 1ms, 50% Duty Cycle)...................................±200mA
(pulsed at 1ms, 10% Duty Cycle)...................................±300mA
Continuous Power Dissipation (TA = +70°C)
25-Bump UCSP (derate 12.2mW/°C above +70°C) ......976mW
24-Pin TQFN (derate 20.8mW/°C above +70°C) .........1667mW
Operating Temperature Range ........................-40°C to +85°C
Junction Temperature ......................................................150°C
Storage Temperature Range .........................-65°C to +150°C
Bump Temperature (soldering)
Infrared (15s) ...............................................................+220°C
Vapor Phase (60s) ........................................................+215°C
Lead Temperature (soldering) ......................................+300°C
Note 1: Signals on CB_, NO_, NC_, COM_, EN exceeding VCC or GND are clamped by internal diodes. Limit forward-diode current
to maximum current rating.
MAX4947 Features
` Multiplex SDIO or Memory Stick Interfaces
` 1.8V to 5.5V Supply Voltage Range
` Low On-Resistance 4 (typ)
` Low-Capacitance Switches, 30pF (typ)
`Rail-to-Rail Signal Handling
` Small 25-Bump UCSP™ (2.5mm x 2.5mm) and 24-TQFN (4mm x 4mm)
` 1.8V to 5.5V Supply Voltage Range
` Low On-Resistance 4 (typ)
` Low-Capacitance Switches, 30pF (typ)
`Rail-to-Rail Signal Handling
` Small 25-Bump UCSP™ (2.5mm x 2.5mm) and 24-TQFN (4mm x 4mm)
MAX4947 Typical Application
·USB Signal Switching
·UART Signal Switching
·SDIO/Memory Stick
·Cell Phones
·PDAs
·UART Signal Switching
·SDIO/Memory Stick
·Cell Phones
·PDAs
MAX4947EBA
PDF/DataSheet Download
- Datasheet: MAX4947EBA
- File Size: 279904 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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