19-0220; Rev 3; 10/03
Serial Controlled, 8-Channel SPST Switch
The MAX335 analog switch with serial digital interface
offers eight separately controlled single-pole-singlethrow (SPST) switches. All switches conduct equally in
either direction, and on-resistance (100W) is constant
over the analog signal range.
These CMOS switches can operate continuously with
power supplies ranging from ±4.5V to ±20V and handle
rail-to-rail analog signals. Upon power-up, all switches are
off, and the internal serial and parallel shift registers are
reset to zero. The MAX335 is equivalent to two DG211
quad switches but controlled by a serial interface.
____________________________Features
o 8 Separately Controlled SPST Switches
o SPI-Compatible Serial Interface
o Accepts ±15V Analog Swings
o Multiple Devices Can Be Daisy Chained
______________Ordering Information
The interface is compatible with the Motorola SPI interface standard. Functioning as a shift register, this serial
interface allows data (at DIN) to be locked in synchronous with the rising edge of clock (SCLK). The shift register's output (DOUT) enables several MAX335s to be
daisy chained.
MAX335CNG
________________________Applications
MAX335ENG
-40°C to +85°C
24 Narrow Plastic DIP
MAX335EUG
-40°C to +85°C
24 TSSOP
MAX335EWG
-40°C to +85°C
24 Wide SO
MAX335MRG
-55°C to +125°C
24 Narrow CERDIP**
Serial Data Acquisition and Process Control
Avionics
PART
TEMP RANGE
0°C to +70°C
PIN-PACKAGE
24 Narrow Plastic DIP
MAX335CWG
0°C to +70°C
24 Wide SO
MAX335C/D
0°C to +70°C
Dice*
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
Signal Routing
Networking
__________________Pin Configuration
TOP VIEW
NO0
NO7
24 CS
2
23 VL
DIN
COM7
1
V+
COM0
SCLK
3
22 DOUT
MAX335
VL
+5V TRANSLATOR
CLOCK TRANSLATOR
LATCH
CS
CS TRANSLATOR
6
19 COM7
NO1
7
18 NO6
COM1
8
17 COM6
9
16 NO5
COM2 10
MAX335
SCLK
20 NO7
COM0
DOUT
8-BIT SHIFT REGISTER
5
NO2
DIN
4
NO0
PARALLEL REGISTER AND TRANSLATOR
GND
21 V-
15 COM5
NO3 11
14 NO4
COM3 12
13 COM4
DIP/SO
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
MAX335
_______________General Description