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MAX395CAG+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
_______________General Description
The MAX395 8-channel, serially controlled, single-pole/sin-
gle-throw (SPST) analog switch offers eight separately
controlled switches. The switches conduct equally well in
either direction. On-resistance (100Ω max) is matched
between switches to 5Ω max and is flat (10Ω max) over
the specified signal range.
These CMOS devices can operate continuously with
dual power supplies ranging from ±2.7V to ±8V or a
single supply between +2.7V and +16V. Each switch
can handle rail-to-rail analog signals. The off leakage
current is only 0.1nA at +25°C or 5nA at +85°C.
Upon power-up, all switches are off, and the internal shift
registers are reset to zero. The MAX395 is electrically
equivalent to two MAX391 quad switches controlled by a
serial interface, and is pin compatible with the MAX335.
The serial interface is compatible with SPI™/QSPI™ and
Microwire™. Functioning as a shift register, it allows data
(at DIN) to be clocked in synchronously with the rising
edge of clock (SCLK). The shift register’s output (DOUT)
enables several MAX395s to be daisy chained.
All digital inputs have 0.8V to 2.4V logic thresholds, ensur-
ing both TTL- and CMOS-logic compatibility when using
±5V supplies or a single +5V supply.
________________________Applications
Serial Data-Acquisition Industrial and Process-
Systems Control Systems
Avionics ATE Equipment
Audio Signal Routing Networking
____________________________Features
♦ SPI™/QSPI™, Microwire™-Compatible Serial
Interface
♦ 8 Separately Controlled SPST Switches
♦ 100Ω Signal Paths with ±5V Supplies
♦ Rail-to-Rail Signal Handling
♦ Asynchronous RESET
Input
♦ Pin Compatible with Industry-Standard MAX335
♦ ±2.7V to ±8V Dual Supplies
+2.7V to +16V Single Supply
♦ >2kV ESD Protection per Method 3015.7
♦ TTL/CMOS-Compatible Inputs (with +5V or
±5V Supplies)
MAX395
Serially Controlled, Low-Voltage,
8-Channel SPST Switch
________________________________________________________________
Maxim Integrated Products
1
LATCH
NO0
COM0
8-BIT SHIFT REGISTER
CLOCK TRANSLATOR
CS TRANSLATOR
DIN
RESET
SCLK
CS
NO7
COM7
PARALLEL REGISTER AND TRANSLATOR
DOUT
MAX395
________________Functional Diagram
SCLK
V+
DIN
GND
NO0
COM0
NO1
COM1
NO2
COM2
NO3
COM3
DIP/SO
TOP VIEW
MAX395
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
CS
RESET
DOUT
V-
NO7
COM7
NO6
COM6
NO5
COM5
NO4
COM4
LOGIC
__________________Pin Configuration
Call toll free 1-800-998-8800 for free samples or literature.
19-0448; Rev 0; 11/95
PART
MAX395CNG
MAX395CWG
MAX395C/D 0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE PIN-PACKAGE
24 Narrow Plastic DIP
24 Wide SO
Dice*
______________Ordering Information
* Contact factory for dice specifications.
** Contact factory for availability.
MAX395ENG
MAX395EWG
MAX395MRG -55°C to +125°C
-40°C to +85°C
-40°C to +85°C 24 Narrow Plastic DIP
24 Wide SO
24 Narrow CERDIP**
SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.
MAX395
Serially Controlled, Low-Voltage,
8-Channel SPST Switch
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Dual Supplies
(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltages Referenced to GND
V+...........................................................................-0.3V, +17V
V-............................................................................-17V, +0.3V
V+ to V-...................................................................-0.3V, +17V
SCLK, CS
, DIN, DOUT, RESET .................-0.3V to (V+ + 0.3V)
NO, COM.................................................(V- - 2V) to (V+ + 2V)
Continuous Current into Any Terminal..............................±30mA
Peak Current, NO_ or COM_
(pulsed at 1ms,10% duty cycle)..................................±100mA
Continuous Power Dissipation (T
A
= +70°C)
Narrow Plastic DIP (derate 13.33mW/°C above +70°C)...1067mW
Wide SO (derate 11.76mW/°C above +70°C)...............941mW
Narrow CERDIP (derate 12.50mW/°C above +70°C)....1000mW
Operating Temperature Ranges
MAX395C_ G .......................................................0°C to +70°C
MAX395E_ G ....................................................-40°C to +85°C
MAX395MRG..................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
CONDITIONS UNITS
MIN TYP MAX
(Note 1)
SYMBOLPARAMETER
60 100
VV- V+V
COM
, V
NO
Analog Signal Range
V+ = 5V, V- = -5V,
V
COM
= ±3V, I
NO
= 1mA
V2.4V
IH
DIN, SCLK, CS, RESET Input
Voltage Logic Threshold High
Ω
125
R
ON
COM, NO On-Resistance
I
DOUT
= 0.8mA
V
DIN
, V
SCLK
,
V
CS
= 0.8V or 2.4V
V2.8 V+V
DOUT
DOUT Output Voltage Logic High
µA-1 0.03 1I
IH,
I
IL
DIN, SCLK, CS, RESET Input
Current Logic High or Low
V0.8V
IL
DIN, SCLK, CS, RESET Input
Voltage Logic Threshold Low
C, E, M
T
A
= +25°C
C, E, M
T
A
= +25°C 5
C, E, M
V+ = 5V, V- = -5V,
V
COM
= ±3V, I
NO
= 1mA
Ω
10
∆R
ON
COM, NO On-Resistance Match
Between Channels (Note 2)
T
A
= +25°C 10
C, E, M
V+ = 5V, V- = -5V, I
NO
= 1mA,
V
COM
= -3V, 0V, 3V
Ω
15
R
FLAT(ON)
COM, NO On-Resistance
Flatness (Note 2)
T
A
= +25°C -0.1 0.002 0.1
C, E, M
V+ = 5.5V, V- = -5.5V,
V
COM
= -4.5V, V
NO
= 4.5V
-10 10
T
A
= +25°C -0.1 0.002 0.1
C, E, M
V+ = 5.5V, V- = -5.5V,
V
COM
= 4.5V, V
NO
= -4.5V
nA
-10 10
I
NO(OFF)
NO Off Leakage Current
(Note 3)
T
A
= +25°C -0.1 0.002 0.1
C, E, M
V+ = 5.5V, V- = -5.5V,
V
COM
= -4.5V, V
NO
= 4.5V
-10 10
T
A
= +25°C 0.1 0.002 0.1
C, E, M
V+ = 5.5V, V- = -5.5V,
V
COM
= 4.5V, V
NO
= -4.5V
nA
-10 10
I
COM(OFF)
COM Off Leakage Current
(Note 3)
T
A
= +25°C -0.2 0.01 0.2
C, E, M
V+ = 5.5V, V- = -5.5V,
V
COM
= V
NO
= ±4.5V
-20 20
nAI
COM(ON)
COM On Leakage Current
(Note 3)
I
DOUT
= -1.6mA
mV100SCLK
HYST
V0 0.4V
DOUT
DOUT Output Voltage Logic Low
SCLK Input Hysteresis
C, E, M
C, E, M
C, E, M
C, E, M
C, E, M
C, E, M
ANALOG SWITCH
DIGITAL I/O
MAX395
Serially Controlled, Low-Voltage,
8-Channel SPST Switch
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)
(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
T
A
= +25°C 200 400
C, E, M
T
A
= +25°C
T
A
= +25°C
V
COM
= V
NO
= GND,
f = 1MHz
CONDITIONS
8
From rising edge of CS
T
A
= +25°C
V±3 ±8V+, V-Power-Supply Range
pF
T
A
= +25°C
C, E, M
ns
500
t
ON
Turn-On Time
-90
C
(ON)
Switch On Capacitance
T
A
= +25°C
R
L
= 50Ω, C
L
= 15pF,
V
NO
= 1V
RMS
, f = 100kHz
<-90 dBV
CT
Channel-to-Channel Crosstalk
DIN = CS = SCLK = 0V or V+,
RESET = 0V or V+
DIN = CS = SCLK = 0V or V+,
RESET = 0V or V+
T
A
= +25°C 90 400
C, E, M
From rising edge of CS ns
500
t
OFF
Turn-Off Time
µA
-1 0.1 1
I-V- Supply Current
µA
720
I+V+ Supply Current
UNITS
MIN TYP MAX
(Note 1)
SYMBOLPARAMETER
T
A
= +25°C 515
T
A
= +25°C
From rising edge of CS
210
T
A
= +25°C 2
T
A
= +25°C
V
NO
= GND, f = 1MHz
ns
2
t
BBM
Break-Before-Make Delay
C
L
= 1nF, V
NO
= 0V, R
S
= 0Ω
V
COM
= GND, f = 1MHzC
COM(OFF)
C
NO(OFF)
V
CTE
COM Off Capacitance
NO Off Capacitance
Charge Injection (Note 4)
pF
pF
pC
dBV
ISO
Off Isolation
R
L
= 50Ω, C
L
= 15pF,
V
NO
= 1V
RMS
, f = 100kHz
C, E, M
C, E, M
30
-2 2
SWITCH DYNAMIC CHARACTERISTICS
POWER SUPPLY
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

MAX395CAG+T

Mfr. #:
Buy MAX395CAG+T
Manufacturer:
Maxim Integrated
Description:
Analog Switch ICs Serially Controlled 8Ch SPST Switch
Lifecycle:
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