MAX395CWG Maxim Integrated Products, MAX395CWG Datasheet - Page 12
MAX395CWG
Manufacturer Part Number
MAX395CWG
Description
Analog Switch ICs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX395EWG.pdf
(16 pages)
Specifications of MAX395CWG
Switch Configuration
SPST
On Resistance (max)
500 Ohms at 3.6 V
On Time (max)
600 ns at 3.6 V
Off Time (max)
400 ns at 5.5 V
Supply Voltage (max)
16 V
Supply Voltage (min)
2.7 V
Maximum Power Dissipation
941 mW
Maximum Operating Temperature
+ 70 C
Package / Case
SOIC-24 Wide
Minimum Operating Temperature
0 C
Switch Current (typ)
0.007 mA at 5.5 V
Lead Free Status / Rohs Status
No
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Serially Controlled, Low-Voltage,
8-Channel SPST Switch
Figure 2. Three-Wire Interface Timing
Table 1. Serial-Interface Switch Programming
12
DOUT
SCLK
DIN
CS
RESET
______________________________________________________________________________________
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D7
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D0
DATA BITS FROM PREVIOUS DATA INPUT
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
DATA BITS
D5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
D0
D4
SWITCHES
UPDATED
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
DATA BITS
D3
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
When several serial devices are configured as slaves,
addressable by the processor, DIN pins of each
decode logic individually control CS of each slave
device. When a slave is selected, its CS pin is driven
low, data is shifted in, and CS is driven high to latch the
data. Typically, only one slave is addressed at a time.
DOUT is not used.
The MAX395 can be used as a multiplexer, but to
obtain the same electrical performance with slightly
improved programming speed, use the MAX349 8-
channel mux or the MAX350 dual 4-channel mux, both
in 18-pin packages.
__________Applications Information
D2
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
D1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
Addressable Serial Interface
D0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
All switches open, D7–D0 = 0
Switch 7 open (off)
Switch 7 closed (on)
Switch 6 open (off)
Switch 6 closed (on)
Switch 5 open (off)
Switch 5 closed (on)
Switch 4 open (off)
Switch 4 closed (on)
Switch 3 open (off)
Switch 3 closed (on)
Switch 2 open (off)
Switch 2 closed (on)
Switch 1 open (off)
Switch 1 closed (on)
Switch 0 open (off)
Switch 0 closed (on)
FUNCTION
Multiplexers