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MAX308CPE
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_______________General Description
The MAX308/MAX309 precision, monolithic, CMOS ana-
log multiplexers (muxes) offer low on-resistance (less
than 100), which is matched to within 5 between
channels and remains flat over the specified analog sig-
nal range (7 max). They also offer low leakage over
temperature (NO-off leakage current less than 5nA at
+85°C) and fast switching speeds (transition time less
than 250ns). The MAX308 is a single-ended 1-of-8
device, and the MAX309 is a differential 2-of-4 device.
The MAX308/MAX309 are fabricated with Maxim’s
improved 44V silicon-gate process. Design improve-
ments yield extremely low charge injection (less than
10pC) and guarantee electrostatic discharge protection
greater than 2000V.
These muxes operate with a single +5V to +30V supply
or bipolar ±5V to ±20V supplies, while retaining
TTL/CMOS-logic input compatibility and fast switching.
CMOS inputs provide reduced input loading. These
improved parts are plug-in upgrades for the industry-
standard DG408, DG409, DG508A, and DG509A.
________________________Applications
Sample-and-Hold Circuits
Automatic Test Equipment
Heads-Up Displays
Guidance and Control Systems
Military Radios
Communications Systems
Battery-Operated Systems
PBX, PABX
Audio Signal Routing
____________________________Features
Guaranteed On-Resistance Match Between
Channels, <5 Max
Low On-Resistance, <100 Max
Guaranteed Flat On-Resistance over Specified
Signal Range, 7 Max
Guarateed Low Charge Injection, <10pC
NO-Off Leakage Current <5nA at +85°C
COM-Off Leakage Current <20nA at +85°C
ESD Protection >2000V
Plug-In Upgrade for Industry-Standard
DG408/DG409/DG508A/DG509A
Single-Supply Operation (+5V to +30V)
Bipolar-Supply Operation (±5V to ±20V)
Low Power Consumption, <300µW
Rail-to-Rail Signal Handling
TTL/CMOS-Logic Compatible
______________Ordering Information
MAX308/MAX309
Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
________________________________________________________________ Maxim Integrated Products 1
CMOS DECODE LOGIC
A2 A1 A0 EN
NO8
NO7
NO6
NO5
NO4
NO3
NO2
NO1
COM
V+ V- GND
MAX308 8-CHANNEL SINGLE-ENDED MULTIPLEXER
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
A1
A2
GND
V+
NO1
V-
EN
A0
TOP VIEW
MAX308
NO5
NO6
NO7
NO8
COM
NO4
NO3
NO2
DIP/SO/TSSOP
Continued at end of data sheet.
_____________________Pin Configurations/Functional Diagrams/Truth Tables
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
19-0271; Rev 2; 8/02
PART
MAX308CPE
MAX308CSE
MAX308C/D 0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP RANGE PIN-PACKAGE
16 Plastic DIP
16 Narrow SO
Dice*
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
**Contact factory for availability.
MAX308EPE -40°C to +85°C 16 Plastic DIP
MAX308ESE -40°C to +85°C 16 Narrow SO
MAX308EJE -40°C to +85°C 16 CERDIP
MAX308MJE -55°C to +125°C 16 CERDIP**
MAX308CUE 0°C to +70°C 16 TSSOP
MAX308EUE -40°C to +85°C 16 TSSOP

MAX308CPE 数据手册

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