MAX4533†
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MAX4533EAP-T (pdf) |
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MAX4533† Quad, Rail-to-Rail, Fault-Protected, SPDT Analog Switch The MAX4533 quad, single-pole/double-throw SPDT , fault-protected analog switch is pin-compatible with the industry-standard MAX333 and MAX333A. The MAX4533 features fault-protected inputs and signal handling. The normally open NO_ and normally closed NC_ terminals are protected from overvoltage faults up to ±25V with power on and up to ±40V with power off. During a fault condition, NO_ and NC_ become high impedance with only nanoamperes of leakage current flowing to the source. In addition, the output COM_ clamps to the appropriate polarity supply rail and provides up to ±10mA of load current. This ensures unambiguous rail-to-rail outputs when a fault occurs. The MAX4533 operates from dual ±4.5V to ±18V power supplies or a single +9V to +36V supply. All digital inputs have +0.8V and +2.4V logic thresholds, ensuring both TTL and CMOS logic compatibility when using ±15V supplies or a +12V supply. On-resistance is max and is matched between switches to max. The offleakage current is only 0.5nA at TA = +25°C and 10nA at TA = +85°C. Redundant/Backup Systems Portable Instruments Test Equipment Communications Systems Data-Acquisition Systems Industrial and Process Control Avionics Systems Typical Operating Circuit INPUTS V1 OUTPUTS V1 - V2 OSC IN MAX4533 V3 - V4 FLYING CAPACITOR LEVEL TRANSLATOR 2-CHANNEL Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. † Patent Pending o Rail-to-Rail Signal Handling o ±40V Fault Protection with Power Off ±25V Fault Protection with ±15V Supplies o All Switches Off with Power Off o No Power-Supply Sequencing Required During Power-Up or Power-Down o Output Clamped to Appropriate Supply Voltage During Fault Transition Glitch o typ Output Clamp Resistance During Overvoltage o max Signal Paths with ±15V Supplies o 20ns typ Fault Response Time o ±4.5V to ±18V Dual Supplies +9V to +36V Single Supply o Pin-Compatible with Industry-Standard MAX333/MAX333A o TTL/CMOS-Compatible Logic Inputs with ±15V or Single +9V to +15V Supplies Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX4533CAP 0°C to +70°C 20 SSOP MAX4533CWP 0°C to +70°C 20 Wide SO Ordering Information continued at end of data sheet. Pin Configuration/ Functional Diagram TOP VIEW IN1 1 NO1 2 COM1 3 NC1 4 V- 5 GND 6 NC2 7 COM2 8 NO2 9 IN2 10 MAX4533 20 IN4 19 NO4 18 COM4 17 NC4 16 V+ 15 N.C. 14 NC3 13 COM3 12 NO3 11 IN3 SSOP/SO/DIP/CERDIP SWITCHES ARE SHOWN WITH LOGIC "0" INPUT N.C. = NOT INTERNALLY CONNECTED Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at Quad, Rail-to-Rail, Fault-Protected, SPDT Analog Switch MAX4533 ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND V+ to +44.0V V- to +0.3V V+ to +44.0V COM_, IN_ Note 1 V- - 0.3V to V+ + 0.3V NC_, NO_ Note 2 .................................. V+ - 40V to V- + 40V NC_, NO_ to COM_ to +40V NC_, NO_ Overvoltage with Switch Power On supplies at ±15V to +30V NC_, NO_ Overvoltage with Switch Power Off ........-40V to +40V Continuous Current into Any Peak Current into Any Terminal pulsed at 1ms,10% duty Continuous Power Dissipation TA = +70°C 20-Pin SSOP derate 10.53mW/°C above +70°C ........842mW 20-Pin Wide SO derate 10.00mW/°C above +70°C 800mW 20-Pin Plastic DIP derate 11.11mW/°C above +70°C 889mW 20-Pin CERDIP derate 11.11mW/°C above +70°C .....889mW Operating Temperature Ranges MAX4533C_ _ to +70°C MAX4533E_ _ to +85°C MAX4533M_ to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature soldering, 10s .................................+300°C Note 1 COM_ and IN_ pins are not fault protected. Signals on COM_ or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current rating. Note 2 NC_ and NO_ pins are fault protected. Signals on NC_ or NO_ exceeding -25V to +25V may damage the device. These limits apply with power applied to V+ or V-. The limit is ±40V with V+ = V- = 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. ELECTRICAL Supplies V+ = +15V, V- = -15V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. Note 3 PARAMETER ANALOG SWITCH CONDITIONS MIN TYP MAX UNITS Fault-Free Analog Signal Range Note 2 VNO_, VNC_ V+ = +15V, V- = -15V, VNO_ or VNC_ = ±15V C, E, M COM_ to NO_ or COM_ to NC_ On-Resistance VNO_ or VNC_ = ±10V, ICOM_ = 1mA +25°C, E M 125 175 COM_ to NO_ or COM_ to NC_ On-Resistance Match Between Channels Note 4 VNO_ or VNC_ = ±10V, ICOM_ = 1mA +25°C, E On-Resistance Flatness VCOM_ = +5V, 0, -5V, ICOM_ = 1mA +25°C NO_ or NC_ Off-Leakage Current Note 5 INO_ OFF , INC_ OFF VNO_ or VNC_ = ±14V, VCOM_ = 14V +25°C -200 ± ± +25°C COM_ On-Leakage Current Note 5 ICOM_ ON Ordering Information continued PART MAX4533CPP MAX4533EAP MAX4533EWP MAX4533EPP MAX4533MJP TEMP. RANGE 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C PIN-PACKAGE 20 Plastic DIP 20 SSOP 20 Wide SO 20 Plastic DIP 20 CERDIP Chip Information TRANSISTOR COUNT 448 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 1999 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. |
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