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MAX395 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX395 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page _______________General Description The MAX395 8-channel, serially controlled, single-pole/sin- gle-throw (SPST) analog switch offers eight separately controlled switches. The switches conduct equally well in either direction. On-resistance (100 Ω max) is matched between switches to 5 Ω max and is flat (10Ω max) over the specified signal range. These CMOS devices can operate continuously with dual power supplies ranging from ±2.7V to ±8V or a single supply between +2.7V and +16V. Each switch can handle rail-to-rail analog signals. The off leakage current is only 0.1nA at +25°C or 5nA at +85°C. Upon power-up, all switches are off, and the internal shift registers are reset to zero. The MAX395 is electrically equivalent to two MAX391 quad switches controlled by a serial interface, and is pin compatible with the MAX335. The serial interface is compatible with SPI™/QSPI™ and Microwire™. Functioning as a shift register, it allows data (at DIN) to be clocked in synchronously with the rising edge of clock (SCLK). The shift register’s output (DOUT) enables several MAX395s to be daisy chained. All digital inputs have 0.8V to 2.4V logic thresholds, ensur- ing both TTL- and CMOS-logic compatibility when using ±5V supplies or a single +5V supply. ________________________Applications Serial Data-Acquisition Industrial and Process- Systems Control Systems Avionics ATE Equipment Audio Signal Routing Networking ____________________________Features o SPI™/QSPI™, Microwire™-Compatible Serial Interface o 8 Separately Controlled SPST Switches o 100 Ω Signal Paths with ±5V Supplies o Rail-to-Rail Signal Handling o Asynchronous RESET Input o Pin Compatible with Industry-Standard MAX335 o ±2.7V to ±8V Dual Supplies +2.7V to +16V Single Supply o >2kV ESD Protection per Method 3015.7 o TTL/CMOS-Compatible Inputs (with +5V or ±5V Supplies) Serially Controlled, Low-Voltage, 8-Channel SPST Switch ________________________________________________________________ Maxim Integrated Products 1 LATCH NO0 COM0 8-BIT SHIFT REGISTER CLOCK TRANSLATOR CS TRANSLATOR DIN RESET SCLK CS NO7 COM7 PARALLEL REGISTER AND TRANSLATOR DOUT MAX395 ________________Functional Diagram SCLK V+ DIN GND NO0 COM0 NO1 COM1 NO2 COM2 NO3 COM3 DIP/SO TOP VIEW MAX395 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 CS RESET DOUT V- NO7 COM7 NO6 COM6 NO5 COM5 NO4 COM4 LOGIC __________________Pin Configuration Call toll free 1-800-998-8800 for free samples or literature. 19-0448; Rev 0; 11/95 PART MAX395CNG MAX395CWG MAX395C/D 0°C to +70°C 0°C to +70°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 24 Narrow Plastic DIP 24 Wide SO Dice* ______________Ordering Information * Contact factory for dice specifications. ** Contact factory for availability. MAX395ENG MAX395EWG MAX395MRG -55°C to +125°C -40°C to +85°C -40°C to +85°C 24 Narrow Plastic DIP 24 Wide SO 24 Narrow CERDIP** SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp. |
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