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PDF MAX4511 Data sheet ( Hoja de datos )
| Número de pieza | MAX4511 | |
| Descripción | Quad / Rail-to-Rail / Fault-Protected / SPST Analog Switches | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX4511 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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19-4760; Rev 0; 6/98
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
General Description
The 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 175Ω max and is matched between
switches to 10Ω max. 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.
Applications
ATE Equipment
Data Acquisition
Industrial and Process-Control Systems
Avionics
Redundant/Backup Systems
Ordering Information
PART
MAX4511CPE
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
16 Plastic DIP
MAX4511CSE
0°C to +70°C
16 Narrow SO
MAX4511C/D
MAX4511EPE
0°C to +70°C
-40°C to +85°C
Dice*
16 Plastic DIP
MAX4511ESE
-40°C to +85°C
16 Narrow SO
MAX4511MJE -55°C to +125°C 16 CERDIP
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Features
o ±40V Fault Protection with Power Off
±36V Fault Protection with ±15V Supplies
o All Switches Off with Power Off
o Rail-to-Rail Signal Handling
o Output Clamped to Appropriate Supply Voltage
During Fault Condition; No Transition Glitch
o 175Ω max Signal Paths with ±15V Supplies
o No Power-Supply Sequencing Required
o ±4.5V to ±18V Dual Supplies
+9V to +36V Single Supply
o Low Power Consumption, <2mW
o Four Separately Controlled SPST Switches
o Pin-Compatible with Industry-Standard
DG411/DG412/DG413, DG201/DG202/DG213
o TTL- and CMOS-Compatible Logic Inputs with
Single +9V to +15V or ±15V Supplies
Pin Configurations/
Functional Diagrams/Truth Tables
TOP VIEW
IN1 1
COM1 2
NC1 3
V- 4
GND 5
NC4 6
COM4 7
IN4 8
MAX4511
16 IN2
15 COM2
14 NC2
13 V+
12 N.C.
11 NC3
10 COM3
9 IN3
DIP/SO
MAX4511
LOGIC
SWITCH
0 ON
1 OFF
N.C. = NOT CONNECTED
SWITCHES SHOWN FOR LOGIC "0" INPUT.
ALL SWITCHES ARE OFF WITH POWER REMOVED.
Continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
1 page  
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single +12V Supply
(V+ = +10.8V to +13.2V, V- = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
ANALOG SWITCH
Fault-Protected Analog
Signal Range
Fault-Free Analog Signal Range
Non-Protected Analog
Signal Range (COM_ Output)
SYMBOL
VNO_, VNC_
VNO_, VNC_
VCOM_
CONDITIONS
Applies with power on or off
(Note 2)
Applies with power on or off
(Note 2)
Applies with power on or off
(Note 1)
COM_ -NO_ or COM_ -NC_
On-Resistance
RON
V+ = 12V, VCOM_ = 10V,
ICOM_ = 1mA
COM_ -NO_ or COM_ -NC_
On-Resistance Match Between
Channels (Note 4)
∆RON
V+ = 12V, VCOM_ = 10V,
ICOM_ = 1mA
NO_ or NC_ Off Leakage Current
(Notes 5, 9)
ION_(OFF),
INC_(OFF)
V+ = 12V; VCOM_ = 10V;
VNO_, VNC = 0 or 12V
COM_ Off Leakage Current
(Notes 5, 9)
ICOM_(OFF)
V+ = 12V; VCOM _ = 0;
VNO_, VNC_ = 12V
COM_ On Leakage Current
(Notes 5, 9)
FAULT
COM_ Output Leakage
Current, Supply On
ICOM_(ON)
V+ = 12V,
VCOM_ = 10V or 12V
ICOM_
VNO_ or VNC_ = ±30V,
V+ = 12V
NO_ or NC_ Off Input Leakage
Current, Supply On
INO_, INC_
VNO_ or VNC_ = ±25V,
VCOM_ = 0, V+ = 12V
NO_ or NC_ Input Leakage
Current, Supply Off
COM_ Output Current,
Supply On
INO_, INC_
ICOM_
VNO_ or VNC_ = ±40V,
V+ = 0, V- = 0
VNO_ or VNC_ = 25V,
V+ = 12V
TA
MIN
TYP MAX
(Note 3)
UNITS
C, E, M -36
36 V
C, E, M
0
V+ V
C, E, M
+25°C
C, E
M
+25°C
C, E
M
+25°C
C, E
M
+25°C
C, E
M
+25°C
C, E
M
-0.3
-0.5
-10
-200
-0.5
-10
-200
-0.5
-20
-400
V+ + 0.3 V
260
4
0.01
0.01
0.01
390
450
525
10
20
30
0.5
10
200
0.5
10
200
0.5
20
400
Ω
Ω
nA
nA
nA
+25°C
C, E
M
+25°C
C, E
M
+25°C
C, E
M
+25°C
-10
-200
-1
-20
-200
-10
-20
-200
-10
2
10
200
1
20
200
10
0.1 20
200
10
35
nA
µA
nA
µA
nA
µA
mA
COM_ Output Resistance,
Supply On
RCOM_
VNO_ or VNC_ = 10V
V+ = 12V
+25°C
2.4 5
kΩ
_______________________________________________________________________________________ 5
5 Page 
Quad, Rail-to-Rail, Fault-Protected,
SPST Analog Switches
Bipolar Supplies
The MAX4511/MAX4512/MAX4513 operate with bipolar
supplies between ±4.5V and ±18V. The V+ and V- sup-
plies need not be symmetrical, but their difference can
not exceed the absolute maximum rating of 44V.
Single Supply
The MAX4511/MAX4512/MAX4513 operate from a sin-
gle supply between +9V and +36V when V- is connect-
ed to GND.
High-Frequency Performance
In 50Ω systems, signal response is reasonably flat up to
50MHz (see Typical Operating Characteristics). Above
20MHz, the on-response has several minor peaks that
are highly layout dependent. The problem with high-fre-
quency operation is not turning the switch on, but turn-
ing it off. The off-state switch acts like a capacitor and
passes higher frequencies with less attenuation. At
10MHz, off isolation is about -42dB in 50Ω systems,
becoming worse (approximately 20dB per decade) as
frequency increases. Higher circuit impedances also
make off isolation worse. Adjacent channel attenuation
is about 3dB above that of a bare IC socket and is due
entirely to capacitive coupling.
Test Circuits/Timing Diagrams
V+
V+
NO_ OR NC_
+10V
MAX4511
MAX4512
VIN_ IN_ MAX4513 COM_
50Ω
GND V-
2k
VOUT
10pF
V-
V+
VIN_
0V
+10V
50%
VOUT
0V
tOFF
90%
90%
tON
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Figure 2. Switch Turn-On/Turn-Off Times
V+
VIN_
IN_
IN_
50Ω
V+
NO_
NC_
MAX4513
COM_
COM_
GND V-
V-
+10V
VOUT
2k 10pF
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
V+
VIN_
0V
VNO_, VNC_
VOUT
0V
tR < 5ns
tF < 5ns
50%
80%
tOPEN
Figure 3. MAX4513 Break-Before-Make Interval
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MAX4511.PDF ] | |
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