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PDF MAX4507 Data sheet ( Hoja de datos )
| Número de pieza | MAX4507 | |
| Descripción | Fault-Protected / High-Voltage Signal-Line Protectors | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-1415; Rev 1; 8/99
Fault-Protected, High-Voltage
Signal-Line Protectors
General Description
The MAX4506/MAX4507 multiple, two-terminal signal-line
protectors are pin-compatible with the industry-standard
MAX366/MAX367. These new circuit protectors feature
fault-protected inputs and Rail-to-Rail® signal handling
capability. The input pins are protected from overvoltage
faults up to ±36V with power on or ±40V with power off.
During a fault condition, the input terminal becomes an
open circuit and only nanoamperes of leakage current
flow from the source; but the switch output (OUT_) fur-
nishes typically 19mA from the appropriate polarity sup-
ply to the load. This ensures unambiguous rail-to-rail
outputs when a fault begins and ends.
The MAX4506 contains three independent protectors
while the MAX4507 contains eight independent protec-
tors. They can protect both unipolar and bipolar analog
signals using either unipolar (+9V to +36V) or bipolar
(±8V to ±18V) power supplies.
These devices have no logic control inputs; the protec-
tors are designed to be always-on when the supplies
are on. On-resistance is 100Ω max and matched within
7Ω, and on-leakage is less than 0.5nA at TA = +25°C.
The MAX4506 is available in 8-pin SO/DIP packages.
The MAX4507 is available in 20-pin SSOP and 18-pin
SO/DIP packages.
Applications
Process-Control Systems
Hot-Insertion Boards/Systems
Data-Acquisition Systems
Redundant/Backup Systems
ATE Equipment
Sensitive Instruments
Typical Operating Circuit
Features
o Overvoltage Protection
±40V with Power Off
±36V with Power On
o Open Signal Paths with Power Off
o Output Clamps to Either Rail with an Input
Overvoltage
o Any On Channel Output is Not Affected
by an Overvoltage to Any Other Channel
o 100Ω max On-Resistance
o 10ns Overvoltage Turn-On Delay
o No Latchup During Power Sequencing
o Rail-to-Rail Signal Handling
o 500Ω Output Clamp Resistance During
Overvoltage
Ordering Information
PART
TEMP. RANGE PIN-PACKAGE
MAX4506CSA
0°C to +70°C
8 SO
MAX4506CPA
0°C to +70°C
8 Plastic DIP
MAX4506C/D
0°C to +70°C
Dice*
MAX4506ESA
-40°C to +85°C
8 SO
MAX4506EPA
-40°C to +85°C
8 Plastic DIP
MAX4506MJA -55°C to +125°C 8 CERDIP**
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
**Contact factory for availability.
Pin Configurations
MAX4506 V+ 8
1 IN1
OUT1 7
2 IN2
OUT2 6
3 IN3
4 V-
OUT3 5
SWITCHED +15V
P
+15V
100k
OP AMP
TOP VIEW
IN1 1
IN2 2
IN3 3
V- 4
MAX4506
8 V+
7 OUT1
6 OUT2
5 OUT3
SO/DIP
-15V
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
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  
Fault-Protected, High-Voltage
Signal-Line Protectors
(TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
ON-RESISTANCE vs. OUTPUT VOLTAGE
(DUAL SUPPLIES)
140
120
V+ = +10V
V+ = +8V
V- = -8V
V- = -10V
100
V+ = +15V
80 V- = -15V
60
40
V+ = +18V
20 V- = -18V
0
-20 -15 -10
-5 0 5
VOUT_ (V)
10 15 20
ON-RESISTANCE vs. OUTPUT VOLTAGE
AND TEMPERATURE (SINGLE SUPPLY)
250 V+ = +12V
V- = 0
200
TA = +125°C
TA = +85°C
150
TA = +70°C
100 TA = -40°C TA = +25°C
TA = -55°C
50
0 0 2 4 6 8 10 12
VOUT_ (V)
OUTPUT TRANSFER CHARACTERISTICS
(DUAL SUPPLIES)
20 (V+ = +18V, V- = -18V)
15 (V+ = +15V, V- = -15V)
(V+ = +10V, V- = -10V)
10 (V+ = +8V, V- = -8V)
5
INPUT VOLTAGE
0 LINEARLY SWEPT
BETWEEN -30V
-5 AND +30V
(V+ = +8V, V- = -8V)
-10 (V+ = +10V, V- = -10V)
-15
(V+ = +15V, V- = -15V)
(V+ = +18V, V- = -18V)
-20 OUTPUT LOAD = 1MΩ
-30 -20 -10 0 10 20
INPUT VOLTAGE (V)
30
ON-RESISTANCE vs. OUTPUT VOLTAGE
(SINGLE SUPPLY)
250
V+ = +9V
V- = 0V
200
V+ = +12V
150
100
50
0
0
V+ = +20V
V+ = +30V
V+ = +36V
5 10 15 20 25 30 35
VOUT_ (V)
OUTPUT CLAMP RESISTANCE SUPPLIES ON
0.8
V+ = +15V
0.7 V- = -15V
VIN = ±25V
0.6
0.5 VIN = +25V
0.4 VIN = -25V
0.3
0.2
0.1
0
-55 -35 -15 -5 25 45 65 85 105 125
TEMPERATURE (°C)
OUTPUT TRANSFER CHARACTERISTICS
(SINGLE SUPPLY)
40
OUTPUT LOAD = 1MΩ
35 V- = 0
V+ = +36V
30
V+ = +25V
25
20
V+ = +15V
15
10 V+ = +9V V+ = +12V
5 INPUT VOLTAGE LINEARLY SWEPT
0 BETWEEN 0 AND 35V
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
ON-RESISTANCE vs. OUTPUT VOLTAGE
AND TEMPERATURE (DUAL SUPPLIES)
120 V+ = +15V
V- = -15V
100
TA = +125°C
80 TA = +85°C
TA = +70°C
60
TA = +25°C
TA = -40°C
40
TA = -55°C
20
0
-15 -10
-5
0
5 10 15
VOUT_ (V)
OUTPUT CLAMP CURRENT SUPPLIES ON
vs. TEMPERATURE
25 V+ = +15V
20 V- = -15V
15
10
5
0
-5
-10
-15
-20
-25
-55 -40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FAULT-FREE ANALOG SIGNAL RANGE
vs. SUPPLY VOLTAGE
20
15
10
5
0
-5
-10
-15
-20
-20 -15 -10 -5 0 5 10 15 20
INPUT VOLTAGE (V)
_______________________________________________________________________________________ 5
5 Page 
Fault-Protected, High-Voltage
Signal-Line Protectors
Ordering Information (continued)
PART
MAX4507CAP
MAX4507CWN
MAX4507CPN
MAX4507C/D
MAX4507EAP
MAX4507EWN
MAX4507EPN
MAX4507MJN
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
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
*Contact factory for dice specifications.
**Contact factory for availability.
PIN-PACKAGE
20 SSOP
18 SO
18 Plastic DIP
Dice*
20 SSOP
18 SO
18 Plastic DIP
18 CERDIP**
MAX4506
V+
IN1
Chip Topographies
MAX4507
IN1 V+ OUT1
IN2
OUT1
IN3
IN2
0.112"
(2.84mm)
OUT2
IN4
IN5
IN3 IN6
OUT2
OUT3
OUT4
0.112"
(2.84mm)
OUT5
OUT6
IN7
V- OUT3
0.071"
(1.80mm)
IN8
TRANSISTOR COUNT:
144 (MAX4506)
379 (MAX4507)
SUBSTRATE CONNECTED TO V+
V-
0.071"
(1.800mm)
OUT8
OUT7
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX4507.PDF ] | |
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