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PDF MAX4510 Data sheet ( Hoja de datos )
| Número de pieza | MAX4510 | |
| Descripción | 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 MAX4510 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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19-1542; Rev 0; 10/99
Rail-to-Rail, Fault-Protected,
SPST Analog Switches
General Description
The MAX4510/MAX4520 single-pole/single-throw (SPST),
fault-protected analog switches feature a fault-protected
input 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-on and 44V with power off. During a fault condi-
tion, the switch input terminal (NO or NC) becomes an
open circuit; only nanoamperes of leakage current flow
from the fault source, and the switch output (COM) fur-
nishes up to 13mA of the appropriate polarity supply
voltage to the load. This ensures unambiguous rail-to-rail
outputs when a fault begins and ends.
On-resistance is 160Ω max. The off-leakage current is
only 0.5nA at +25°C and 10nA at +85°C. The MAX4510
is a normally closed switch, while the MAX4520 is a
normally open switch. These CMOS switches operate
with dual power supplies ranging from ±4.5V to ±20V
or a single supply between +9V and +36V.
The digital input has +0.8V and +2.4V logic thresholds,
ensuring both TTL- and CMOS-logic compatibility when
using ±15V or a single +12V supply. The MAX4510/
MAX4520 are available in 6-pin SOT23 and 8-pin µMAX
packages.
Features
o ±40V Fault Protection with Power Off
±36V Fault Protection with ±15V Supplies
o Switch is Off with Power Removed
o Rail-to-Rail Signal Handling
o 160Ω max Signal Paths with ±15V Supplies
o On-Switch Turns Off with Overvoltage
o 0.5nA Off-Leakage Current
o Output Clamped to Appropriate Supply Voltage
During Fault Condition; No Transition Glitch
o No Power-Supply Sequencing Required
o ±4.5V to ±20V Dual Supplies
+9V to +36V Single Supply
o Low Power Consumption: <2mW
o TTL- and CMOS-Compatible Logic Inputs with
Single +9V to +15V or ±15V Supplies
Applications
Data Acquisition
Industrial and Process-Control Systems
Avionics
ATE Equipment
Redundant/Backup Systems
Pin Configurations/Truth Tables
TOP VIEW
V+ 1
V- 2
MAX4510
MAX4520
6 NC (NO)
5 COM
Ordering Information
PART
TEMP. RANGE
MAX4510EUT-T -40°C to +85°C
MAX4510EUA -40°C to +85°C
MAX4520EUT-T -40°C to +85°C
MAX4520EUA -40°C to +85°C
PIN-
PACKAGE
6 SOT23-6
8 µMAX
6 SOT23-6
8 µMAX
TOP
MARK
AABZ
—
AADK
—
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
IN 3
( ) ARE FOR MAX4520.
SOT23
4 GND
IN MAX4510 MAX4520
0 ON
OFF
1 OFF
ON
SWITCHES SHOWN FOR LOGIC "0" INPUT.
ALL SWITCHES ARE OFF WITH POWER REMOVED.
Pin Configurations 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 1-800-835-8769.
1 page  
Rail-to-Rail, Fault-Protected,
SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single +12V Supply (continued)
(V+ = +12V, V- = 0, GND = 0, VIH = 2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(Note 3)
PARAMETER
SYMBOL
SWITCH DYNAMIC CHARACTERISTICS
Turn-On Time
tON
Turn-Off Time
tOFF
CONDITIONS
VNO or VNC = 7V, RL = 2kΩ,
CL = 35pF, Figure 2
VNO or VNC = 7V, RL = 2kΩ,
CL = 35pF, Figure 2
TA
+25°C
E
+25°C
E
MIN TYP MAX UNITS
500 750
1000
60 200
300
ns
ns
Charge Injection (Note 7)
Q
CL = 1nF, VNO = 0,
RS = 0Ω, Figure 3
+25°C
15
pC
NO or NC Off-Capacitance
COM Off-Capacitance
COM On-Capacitance
CNO(OFF),
CNC(OFF)
CCOM(OFF)
CCOM(ON)
f = 1MHz, Figure 4
VCOM = 0, f = 1MHz, Figure 4
VCOM = VNO = 0,
f = 1MHz, Figure 4
+25°C
+25°C
+25°C
9 pF
9 pF
22 pF
Off-Isolation (Note 8)
POWER SUPPLY
Power-Supply Range
V+ Supply Current
V- and GND Supply Current
VISO
V+
I+
IGND
RL = 50Ω, CL = 15pF,
VIN = 1VRMS, f = 1MHz, Figure 5
+25°C
VIN = 0 or 5V
VIN = 0 or 12V
VIN = 0 or 5V
E
+25°C
E
+25°C
E
+25°C
E
9
-62 dB
36
50 125
175
25 75
125
50 125
175
V
µA
µA
µA
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Leakage parameters are 100% tested at maximum-rated hot temperature and guaranteed by correlation at TA = +25°C.
SOT packages are 100% tested at +25°C. Limits at the maximum-rated temperature are guaranteed by design and corre-
lation limits at +25°C. Leakage tests for the SOT package are typical only.
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.
Guaranteed by design.
Off isolation = 20log10 [ VCOM / (VNC or VNO) ], VCOM = output, VNC or VNO = input to off switch.
Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
_______________________________________________________________________________________ 5
5 Page 
Rail-to-Rail, Fault-Protected,
SPST Analog Switches
Test Circuits/Timing Diagrams (continued)
V+
V+
NO OR NC
MAX4510
VIN IN MAX4520 COM
GND V-
V- IS CONNECTED TO GND FOR SINGLE-SUPPLY OPERATION.
Figure 4. COM, NO, and NC Capacitance
V-
1MHz
CAPACITANCE
ANALYZER
V+ 10nF
V+
MAX4510
MAX4520
COM
VIN IN
NO, NC
GND V-
10nF
V-
NETWORK
ANALYZER
VIN 50Ω 50Ω
VOUT MEAS
REF
50Ω 50Ω
OFF-ISOLATION = 20log
VOUT
VIN
ON-LOSS = 20log
VOUT
VIN
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT SOCKET TERMINALS.
OFF ISOLATION IS MEASURED BETWEEN COM AND “OFF” NO OR NC TERMINALS.
ON LOSS IS MEASURED BETWEEN COM AND “ON” NO OR NC TERMINALS.
V- IS CONNECTED TO GND FOR SINGLE-SUPPLY OPERATION.
Figure 5. Frequency Response and Off-Isolation
Chip Information
TRANSISTOR COUNT: 139
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX4510.PDF ] | |
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