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Numéro de référence | MAX381 | ||
Description | Precision / Low-Voltage Analog Switches | ||
Fabricant | Maxim Integrated | ||
Logo | |||
1 Page
19-0300; Rev 0; 9/94
Precision, Low-Voltage Analog Switches
_______________General Description ____________________________Features
The MAX381/MAX383/MAX385 are precision, low-volt-
age analog switches. The single-pole single-throw
MAX381 and double-pole single-throw MAX385 dual
switches are normally open. The single-pole double-
throw MAX383 has two normally open and two normally
closed poles. All three parts offer low on-resistance
(less than 35Ω), guaranteed to match to within 2Ω
between channels and to remain flat over the specified
analog signal range (4Ω max). They also offer low leak-
age (less than 250pA at +25°C and less than 2.5nA at
+85°C) and fast switching (turn-on time less than 175ns
and turn-off time less than 100ns).
o Single-Supply Operation (+3V to +15V)
Bipolar-Supply Operation (±3V to ±8V)
o Pin-Compatible with DG401/DG403/DG405
o Low On-Resistance, 20Ω Typical (35Ω Max)
o Guaranteed Matched On-Resistance Between
Channels, <2Ω
o Guaranteed Flat On-Resistance over Specified
Analog Signal Range, <4Ω
o Guaranteed Charge Injection, <5pC
o Guaranteed Off-Channel Leakage, <2.5nA at +85°C
The MAX381/MAX383/MAX385 are fabricated with
Maxim’s low-voltage silicon-gate process for high sys-
tem accuracy. Design improvements guarantee
extremely low charge injection (<5pC) and low power
consumption (<10µW).
o TTL/CMOS-Logic Compatible with 3V, 5V, ±3V,
and ±5V Supplies
o Rail-to-Rail Analog Signal Handling Capability
______________Ordering Information
These monolithic switches operate with a single posi-
tive supply (+3V to +15V) or with split supplies (±3V to
±8V) while retaining CMOS-logic input compatibility
and fast switching. CMOS inputs provide reduced input
loading.
PART
MAX381CPE
MAX381CSE
MAX381C/D
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
16 Plastic DIP
16 Narrow SO
Dice*
________________________Applications
Sample-and-Hold Circuits
Military Radios
Test Equipment
Communication Systems
Heads-Up Displays
Battery-Operated Systems
Audio Signal Routing
PBX, PABX
Guidance and Control Systems
MAX381EPE
MAX381ESE
MAX381EJE
MAX381MJE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
16 Plastic DIP
16 Narrow SO
16 CERDIP**
16 CERDIP**
Ordering Information continued on last page.
* Dice are tested at TA = +25°C only.
** Contact factory for package availability.
___________________________Pin Configurations/Block Diagrams/Truth Tables
TOP VIEW
COM1 1
N.C. 2
N.C. 3
N.C. 4
N.C. 5
N.C. 6
N.C. 7
COM2 8
MAX381
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
11 V+
10 IN2
9 NO2
N.C. = NOT INTERNALLY
CONNECTED
MAX381
LOGIC IN SWITCH
0
1
PWR OFF
OFF
ON
OFF
COM1 1
N.C. 2
COM3 3
NC3 4
NC4 5
COM4 6
N.C. 7
COM2 8
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
MAX383 11 V+
10 IN2
9 N02
LOGIC IN
0
1
PWR OFF
MAX383
COM
NC
NC COM
NO OFF
OFF OFF
NO
OFF
COM
OFF
COM1 1
N.C. 2
COM3 3
NO3 4
NO4 5
COM4 6
N.C. 7
COM2 8
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
MAX385
11 V+
10 IN2
9 NO2
MAX385
LOGIC IN COM, NO
0 OFF
1 ON
PWR OFF
OFF
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.
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Pages | Pages 12 | ||
Télécharger | [ MAX381 ] |
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