MAX4533 Maxim, MAX4533 Datasheet

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MAX4533

Manufacturer Part Number
MAX4533
Description
The MAX4533 quad, single-pole/double-throw (SPDT), fault-protected analog switch is pin-compatible with the industry-standard MAX333 and MAX333A
Manufacturer
Maxim
Datasheet

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0
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 Rail-to-Rail ® 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 pro-
vides up to ±10mA of load current. This ensures unam-
biguous 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 175Ω max
and is matched between switches to 10Ω max. The off-
leakage current is only 0.5nA at T
T
Redundant/Backup Systems
19-1452; Rev 1; 10/99
Test Equipment
Communications Systems
Industrial and Process Control
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
† Pg
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
A
= +85°C.
INPUTS
OSC
IN
V1
V2
V3
V4
Typical Operating Circuit
FLYING CAPACITOR LEVEL TRANSLATOR
________________________________________________________________ Maxim Integrated Products
General Description
(2-CHANNEL)
Quad, Rail-to-Rail, Fault-Protected,
A
Portable Instruments
Data-Acquisition
Systems
Avionics Systems
= +25°C and 10nA at
Applications
MAX4533
OUTPUTS
V1 - V2
V3 - V4
o Rail-to-Rail Signal Handling
o ±40V Fault Protection with Power Off
o All Switches Off with Power Off
o No Power-Supply Sequencing Required During
o Output Clamped to Appropriate Supply Voltage
o 1kΩ (typ) Output Clamp Resistance During
o 175Ω (max) Signal Paths with ±15V Supplies
o 20ns (typ) Fault Response Time
o ±4.5V to ±18V Dual Supplies
o Pin-Compatible with Industry-Standard
o TTL/CMOS-Compatible Logic Inputs with ±15V or
Ordering Information continued at end of data sheet.
MAX4533CAP
MAX4533CWP
±25V Fault Protection with ±15V Supplies
Power-Up or Power-Down
During Fault Condition—No Transition Glitch
Overvoltage
+9V to +36V Single Supply
MAX333/MAX333A
Single +9V to +15V Supplies
TOP VIEW
PART
SPDT Analog Switch
COM1
COM2
SWITCHES ARE SHOWN WITH LOGIC "0" INPUT
N.C. = NOT INTERNALLY CONNECTED
GND
NO1
NC1
NC2
NO2
IN1
IN2
V-
SSOP/SO/DIP/CERDIP
10
1
2
3
4
5
6
7
8
9
TEMP. RANGE
0°C to +70°C
0°C to +70°C
Ordering Information
MAX4533
Functional Diagram
Pin Configuration/
20
19
18
17
16
15
14
13
12
11
IN4
NO4
COM4
NC4
V+
N.C.
NC3
NO3
COM3
IN3
20 SSOP
20 Wide SO
PIN-PACKAGE
Features
1

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MAX4533 Summary of contents

Page 1

... This ensures unam- biguous 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 ± ...

Page 2

... 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_ _ ......................................................0°C to +70°C MAX4533E_ _ ...................................................-40°C to +85°C MAX4533M_ _.................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300° ...

Page 3

Quad, Rail-to-Rail, Fault-Protected, ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +15V -15V MIN MAX PARAMETER SYMBOL NO_ or NC_ Input Leakage I NO_, Current, Supplies Off COM_ On-Clamp Output I Current, Supplies On ...

Page 4

Quad, Rail-to-Rail, Fault-Protected, SPDT Analog Switch ELECTRICAL CHARACTERISTICS—Single Supply (V+ = +12V unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL ANALOG SWITCH Fault-Free Analog Signal Range ...

Page 5

... ON(MAX) ON(MIN) Note 5: Leakage parameters are 100% tested at maximum-rated hot temperature and guaranteed by correlation at T Note 6: Guaranteed by design. Note 7: Off-isolation = 20log10(V COM_ Note 8: Between any two analog inputs. Note 9: Leakage testing for single-supply operation is guaranteed by testing with dual supplies. ...

Page 6

Quad, Rail-to-Rail, Fault-Protected, SPDT Analog Switch (V+ = +15V -15V +25°C, unless otherwise noted.) A ON-RESISTANCE vs. V COM (DUAL SUPPLIES) 390 V± = ±4.5V 360 330 300 270 240 210 V± = ±10V V± = ...

Page 7

Quad, Rail-to-Rail, Fault-Protected, (V+ = +15V -15V +25°C, unless otherwise noted.) A TURN-ON/TURN-OFF TIME vs. TEMPERATURE (SINGLE SUPPLY) 250 200 t ON 150 t OFF 100 +12V -55 -35 ...

Page 8

... V+ *When the voltage on NO_ or NC_ does not exceed V+ or V-, NO_ (or NC_) and COM_ pins are bidirectional. Detailed Description The MAX4533 is a fault-protected analog switch with special operation and construction. Traditional fault-pro- tected switches are constructed using three-series CMOS devices. This combination produces good fault protection but fairly high on-resistance when the signals are within about 3V of each supply rail ...

Page 9

... If the switch driven above the supply rail has an on state, the clamp circuitries (N2 or P2) connect the out- N2 CLAMP put to the appropriate supply rail. Table 1 summarizes the MAX4533’s operation under normal and fault condi- OUTPUT COM_ tions. Row 5 shows a negative fault condition when the P2 CLAMP supplies are on. It shows that with supplies of ± ...

Page 10

... Between V- and (-40V - V-) On Between V- and (-40V - V-) Off Between Rails The MAX4533 is not a lightning arrester or surge pro- tector. Exceeding the fault-protection voltage limits on NO_ or NC_, even for very short periods, can cause the device to fail. Applications Information There is no connection between the analog signal paths and GND ...

Page 11

... Test Circuits/Timing Diagrams (continued) MAX4533 V COM LOGIC INPUT 0. INCLUDES FIXTURE AND STRAY CAPACITANCE. LOGIC 0 INPUT. V COM_ V OUT 100pF NO_ MAX4533 NC_ COM_ IN_ V- GND V- +15V V+ NO COM_ IN_ GND V- -15V 1000Ω ...

Page 12

... MAX4533EAP -40°C to +85°C MAX4533EWP -40°C to +85°C MAX4533EPP -40°C to +85°C MAX4533MJP -55°C to +125°C Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied ...

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