MAX4511ESE ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesMAX4511/MAX4512/MAX451319-4760; Rev 0; 6/98Quad, Rail-to-Rail, Fault-Protected,SPST Analog Switches
MAX4511ESE+ ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesMAX4511/MAX4512/MAX451319-4760; Rev 1; 8/02Quad, Rail-to-Rail, Fault-Protected,SPST Analog Switches
MAX4511ESE+T ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesApplicationsATE Equipment Avionics1IN1 16IN2 Data Acquisition Redundant/BackupCOM1 2 15 COM2Systems ..
MAX4512CSE ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesApplicationsATE Equipment IN1 1 16IN2 Data AcquisitionCOM1 2 15 COM2Industrial and Process-Control ..
MAX4512CSE+ ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesFeaturesThe MAX4511/MAX4512/MAX4513 are quad, single-♦ ±40V Fault Protection with Power Offpole/sin ..
MAX4512ESE ,Quad, Rail-to-Rail, Fault-Protected, SPST Analog SwitchesFeaturesThe MAX4511/MAX4512/MAX4513 are quad, single-' ±40V Fault Protection with Power Offpole/sin ..
MAX853ESA+ ,Low-Noise, Regulated, Negative Charge Pump Power Supplies for GaAsFET BiasApplicationsMAX850ISA -25°C to +85°C 8 SOCellular PhonesMAX850ESA -40°C to +850°C 8 SONegative Regu ..
MAX8544EEP+ ,Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVPApplications Ordering InformationBase Stations PART TEMP RANGE PIN-PACKAGE Networks and TelecomMAX8 ..
MAX8545EUB ,Low-Cost / Wide Input Range / Step-Down Controllers with Foldback Current Limitapplications. No Additional Bias Supply NeededThey drive low-cost N-channel MOSFETs for both thehi ..
MAX8545EUB+T ,Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current LimitMAX8545/MAX8546/MAX854819-2795; Rev 2; 6/07Low-Cost, Wide Input Range, Step-DownControllers with Fo ..
MAX8546EUB ,Low-Cost / Wide Input Range / Step-Down Controllers with Foldback Current Limitapplications. It drives low-cost N-channel MOSFETs for both the high-side switch and synchronous re ..
MAX8546EUB ,Low-Cost / Wide Input Range / Step-Down Controllers with Foldback Current Limit MAX8546EUB Rev. A RELIABILITY REPORT FOR MAX8546EUB PLASTIC ENCA ..
MAX4511ESE-MAX4512CSE-MAX4512ESE-MAX4513ESE
Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches
General DescriptionThe MAX4511/MAX4512/MAX4513 are quad, single-
pole/single-throw (SPST), fault-protected analog switch-
es. They are pin-compatible with the industry-standard
nonprotected DG201/DG202/DG213. These new switch-
es feature fault-protected inputs and Rail-to-Rail®signal
handling capability. The normally open (NO_) and
normally closed (NC_) terminals are protected from
overvoltage faults up to 36V during power-up or
power-down. During a fault condition, the NO_ or NC_
terminal becomes an open circuit and only nanoamperes
of leakage current flow from the source, but the switch
output (COM_) furnishes up to 10mA of the appropriate
polarity supply voltage to the load. This ensures unam-
biguous rail-to-rail outputs when a fault begins and ends.
On-resistance is 175Ωmax and is matched between
switches to 10Ωmax. The off-leakage current is only
0.5nA at +25°C and 10nA at +85°C.
The MAX4511 has four normally closed switches. The
MAX4512 has four normally open switches. The
MAX4513 has two normally closed and two normally
open switches.
These CMOS switches can operate with dual power
supplies ranging from ±4.5V to ±18V or a single supply
between +9V and +36V.
All digital inputs have +0.8V and +2.4V logic thresh-
olds, ensuring both TTL- and CMOS-logic compatibility
when using ±15V or a single +12V supply.
ApplicationsATE Equipment
Data Acquisition
Industrial and Process-Control Systems
Avionics
Redundant/Backup Systems
Features±40V Fault Protection with Power Off
±36V Fault Protection with ±15V SuppliesAll Switches Off with Power OffRail-to-Rail Signal HandlingOutput Clamped to Appropriate Supply Voltage
During Fault Condition; No Transition Glitch175Ωmax Signal Paths with ±15V SuppliesNo Power-Supply Sequencing Required±4.5V to ±18V Dual Supplies
+9V to +36V Single SupplyLow Power Consumption, <2mW Four Separately Controlled SPST SwitchesPin-Compatible with Industry-Standard
DG411/DG412/DG413, DG201/DG202/DG213TTL- and CMOS-Compatible Logic Inputs with
Single +9V to +15V or ±15V Supplies
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches19-4760; Rev 0; 6/98
Ordering Information continued at end of data sheet.*Contact factory for dice specifications.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Ordering Information
Pin Configurations/
Functional Diagrams/Truth Tables
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +15V, V- = -15V, GND = 0V, TA =TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
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.
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 -36V to +36V may damage the device. These
limits apply with power applied to V+ or V-, or ±40V with V+ = V- = 0.
(Voltages Referenced to GND)
V+........................................................................-0.3V to +44.0V.........................................................................-44.0V to +0.3V
V+ to V-................................................................-0.3V to +44.0V
COM_, IN_ (Note 1)..............................(V- - 0.3V) to (V+ + 0.3V)
NC_, NO_ (Note 2)..................................(V+ - 36V) to (V- + 36V)
NC_, NO_ to COM_.................................................-36V to +36V
Continuous Current into Any Terminal..............................±30mA
Peak Current into Any Terminal
(pulsed at 1ms, 10% duty cycle)...................................±50mA
Continuous Power Dissipation (TA= +70°C) (Note 2)
Plastic DIP (derate 10.53mW/°C above +70°C)...........842mW
Narrow SO (derate 8.70mW/°C above +70°C).............696mW
CERDIP (derate 10.00mW/°C above +70°C)................800mW
Operating Temperature Ranges
MAX451_C_ E......................................................0°C to +70°C
MAX451_E_ E...................................................-40°C to +85°C
MAX451_MJE.................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)(V+ = +15V, V- = -15V, GND = 0V, TA =TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)(V+ = +15V, V- = -15V, GND = 0V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single +12V Supply(V+ = +10.8V to +13.2V, V- = 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
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 -36V to +36V may damage the device. These
limits apply with power applied to V+ or V-, or ±40V with V+ = V- = 0.
Note 3:The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 4:ΔRON= ΔRON(MAX)- ΔRON(MIN).
Note 5:Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at TA= +25°C.
Note 6:Guaranteed by design.
Note 7:Off isolation = 20 log10 [ VCOM_/ (VNC_or VNO_) ], VCOM_= output, VNC_or VNO_= input to off switch.
Note 8:Between any two switches.
Note 9:Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
ELECTRICAL CHARACTERISTICS—Single +12V Supply (continued)(V+ = +10.8V to +13.2V, V- = 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
__________________________________________Typical Operating Characteristics(TA = +25°C, unless otherwise noted.)
MAX451
/MAX451
/MAX451
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
Typical Operating Characteristics (continued)(TA= +25°C, unless otherwise noted.)
Pin Description*As long as the voltage on NO_ or NC_ does not exceed V+ or
V-, NO_ (or NC_) and COM_ pins are identical and interchange-
able. Either may be considered as an input or output; signals
pass equally well in either direction.
Detailed Description
Overview of Traditional
Fault-Protected SwitchesThe MAX4511/MAX4512/MAX4513 are fault-protected
CMOS analog switches with unusual operation and
construction. Traditional fault-protected switches are
constructed by three series FETs. This produces good
off characteristics, but fairly high on-resistance when
the signals are within about 3V of each supply rail. As
the voltage on one side of the switch approaches with-
in about 3V of either supply rail (a fault condition), the
switch impedance becomes higher, limiting the output
signal range (on the protected side of the switch) to
approximately 3V less than the appropriate polarity
supply voltage.
During a fault condition, the output current that flows
from the protected side of the switch into its load
comes from the fault source on the other side of the
switch. If the switch is open or the load is extremely
high impedance, the input current will be very low. If
the switch is on and the load is low impedance,
enough current will flow from the source to maintain the
load voltage at 3V less than the supply.
