MAX335C/D MAXIM [Maxim Integrated Products], MAX335C/D Datasheet

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MAX335C/D

Manufacturer Part Number
MAX335C/D
Description
Serial Controlled, 8-Channel SPST Switch
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
The MAX335 analog switch with serial digital interface
offers eight separately controlled single-pole-single-
throw (SPST) switches. All switches conduct equally in
either direction, and on-resistance (100Ω) 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.
The interface is compatible with the Motorola SPI inter-
face standard. Functioning as a shift register, this serial
interface allows data (at DIN) to be locked in synchro-
nous with the rising edge of clock (SCLK). The shift reg-
ister's output (DOUT) enables several MAX335s to be
daisy chained.
________________________Applications
19-0220; Rev 2; 7/96
SPI is a trademark of Motorola Corp.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
________________Functional Diagram
_______________General Description
COM0
Serial Data Acquisition and Process Control
Avionics
Signal Routing
Networking
SCLK
NO0
D
CS
V
IN
L
8-BIT SHIFT REGISTER
CLOCK TRANSLATOR
Serial Controlled, 8-Channel SPST Switch
+5V TRANSLATOR
CS TRANSLATOR
PARALLEL REGISTER AND TRANSLATOR
________________________________________________________________ Maxim Integrated Products
LATCH
MAX335
NO7
COM7
DOUT
____________________________Features
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
__________________Pin Configuration
______________Ordering Information
MAX335CNG
MAX335CWG
MAX335C/D
MAX335ENG
MAX335EWG
MAX335MRG
8 Separately Controlled SPST Switches
SPI-Compatible Serial Interface
Accepts ±15V Analog Swings
Multiple Devices Can Be Daisy Chained
PART
TOP VIEW
COM0
COM1
COM2
COM3
SCLK
GND
NO0
NO1
NO2
NO3
DIN
V+
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
10
11
12
1
2
3
4
5
6
7
8
9
MAX335
DIP/SO
PIN-PACKAGE
24 Narrow Plastic DIP
24 Wide SO
Dice*
24 Narrow Plastic DIP
24 Wide SO
24 Narrow CERDIP**
24
23
22
21
20
19
18
17
16
15
14
13
CS
VL
DOUT
V-
NO7
COM7
NO6
COM6
NO5
COM5
NO4
COM4
1

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MAX335C/D Summary of contents

Page 1

... Separately Controlled SPST Switches SPI-Compatible Serial Interface Accepts ±15V Analog Swings Multiple Devices Can Be Daisy Chained ______________Ordering Information PART MAX335CNG MAX335CWG MAX335C/D MAX335ENG MAX335EWG MAX335MRG * Contact factory for dice specifications. ** Contact factory for availability and processing to MIL-STD-883. __________________Pin Configuration TOP VIEW ...

Page 2

Serial Controlled, 8-Channel SPST Switch ABSOLUTE MAXIMUM RATINGS Voltages Referenced to V- V+........................................................................................44V GND ....................................................................................25V V ..................................................(GND - 0.3V) to (V+ + 0.3V) L SCLK, CS, DIN, DOUT, NO_, COM_ ..............V- - +2V or 30mA, whichever occurs first ...

Page 3

Serial Controlled, 8-Channel SPST Switch ELECTRICAL CHARACTERISTICS (continued +5V ±10 15V -15V PARAMETER SYMBOL DIGITAL I/O DOUT Output Voltage V DOUT Logic Low V RESET Voltage RESET Voltage V ...

Page 4

Serial Controlled, 8-Channel SPST Switch TIMING CHARACTERISTICS OF SERIAL DIGITAL INTERFACE (Figure +5V ±10 +15V -15V PARAMETER SYMBOL SCLK Maximum Frequency Cycle Time Lead Time CS Lag ...

Page 5

Serial Controlled, 8-Channel SPST Switch __________________________________________Typical Operating Characteristics (V+ = +15V -15V 5V +25°C, unless otherwise noted vs. V AND ON COM POWER-SUPPLY VOLTAGE 300 A: ± ±10V 250 ...

Page 6

Serial Controlled, 8-Channel SPST Switch _____________________Pin Description PIN NAME FUNCTION 1 SCLK Serial Clock Input 2 V+ Positive Supply Voltage 3 DIN Serial Data Input 4 GND Ground 5 NOØ Switch 0 6 COMØ Switch 0 7 NO1 Switch 1 ...

Page 7

Serial Controlled, 8-Channel SPST Switch CS t CSS t CSH0 SCLK DIN DOUT Figure 1. Timing Diagram SWITCHES UPDATED CS SCLK DATA CLOCKED IN DIN MSB INPUT DATA BITS DATA CLOCKED OUT ...

Page 8

Serial Controlled, 8-Channel SPST Switch Table 1. Serial-Interface Switch Programming DATA BITS ...

Page 9

Serial Controlled, 8-Channel SPST Switch SCLK SCLK MAX335 DIN DIN CS CS Figure 5. Daisy-Chained Connection DIN SCLK CS1 CS2 CS3 CS MAX335 SCLK DIN Figure 6. Addressable Serial Interface _______________________________________________________________________________________ SCLK MAX335 DOUT DIN DOUT CS CS MAX335 SCLK ...

Page 10

Serial Controlled, 8-Channel SPST Switch __________Applications Information Multiplexer To use the MAX335 multiplexer, tie all drains together (COM0 to COM7); the mux inputs now source each switch (NO0 to NO7). Input a ...

Page 11

Serial Controlled, 8-Channel SPST Switch ________________________________________________________Package Information ______________________________________________________________________________________ 45˚ A 0.127mm 0.004in INCHES MILLIMETERS DIM MIN MAX MIN A – ...

Page 12

Serial Controlled, 8-Channel SPST Switch ___________________________________________Package Information (continued Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves ...

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