_______________General Description
The MAX4521/MAX4522/MAX4523 are quad, low-volt-
age, single-pole/single-throw (SPST) analog switches.
On-resistance (100
max) is matched between switch-
es to 4
max, and is flat (12
max) over the specified
signal range. Each switch can handle rail-to-rail analog
signals. The off-leakage current is only 1nA at +25°C
and 10nA at +85°C.
The MAX4521 has four normally closed (NC) switches,
and the MAX4522 has four normally open (NO) switch-
es. The MAX4523 has two NC switches and two NO
switches.
These CMOS switches can operate with dual power
supplies ranging from ±2V to ±6V or a single supply
between +2V and +12V. They are fully specified for sin-
gle +2.7V operation.
All digital inputs have +0.8V and +2.4V logic thresh-
olds, ensuring TTL/CMOS-logic compatibility when
using ±5V or a single +5V supply.
________________________Applications
Battery-Operated Equipment
Data Acquisition
Test Equipment
Avionics
Audio Signal Routing
Networking
____________________________Features
o
+2V to +12V Single Supply
±2V to ±6V Dual Supplies
o
100
Signal Paths with ±5V Supplies
o
Low Power Consumption, <1µW
o
4 Separately Controlled SPST Switches
o
Rail-to-Rail Signal Handling
o
Pin Compatible with Industry-Standard
DG211/DG212/DG213
o
>2kV ESD Protection per Method 3015.7
o
TTL/CMOS-Compatible Inputs with ±5V or
Single +5V Supply
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
________________________________________________________________
Maxim Integrated Products
1
SWITCHES SHOWN FOR LOGIC "0" INPUT
DIP/SO/QSOP
MAX4522
LOGIC
SWITCH
0
1
OFF
ON
TOP VIEW
DIP/SO/QSOP
MAX4521
LOGIC
SWITCH
0
1
ON
OFF
DIP/SO/QSOP
MAX4523
LOGIC
SWITCHES
1, 4
0
1
OFF
ON
SWITCHES
2, 3
ON
OFF
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
IN2
COM2
NC2
V+
V-
NO1
COM1
IN1
MAX4523
N.C.
NC3
COM3
IN3
IN4
COM4
NO4
GND
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
IN2
COM2
NC2
V+
V-
NC1
COM1
IN1
MAX4521
N.C.
NC3
COM3
IN3
IN4
COM4
NC4
GND
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
IN2
COM2
NO2
V+
V-
NO1
COM1
IN1
MAX4522
N.C.
NO3
COM3
IN3
IN4
COM4
NO4
GND
N.C. = NOT CONNECTED
_____________________Pin Configurations/Functional Diagrams/Truth Tables
19-1136; Rev 1; 1/97
PART
MAX4521
CPE
MAX4521CSE
MAX4521CEE
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
16 QSOP
______________Ordering Information
Ordering Information continued at end of data sheet.
*
Contact factory for dice specifications.
MAX4521C/D
0°C to +70°C
Dice*
TOP VIEW
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
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.)
Note 1:
Signals on NC_, NO_, COM_, or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward-diode current to
maximum current rating.
Note 2:
All leads are soldered or welded to PC boards.
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 to +13.0V
V- .....................................................................-13.0V to +0.3V
V+ to V- ............................................................-0.3V to +13.0V
All Other Pins (Note 1) ..........................(V- - 0.3V) to (V+ + 0.3V)
Continuous Current into Any Terminal..............................±10mA
Peak Current into Any Terminal
(pulsed at 1ms,10% duty cycle)...................................±20mA
ESD per Method 3015.7 ..................................................>2000V
Continuous Power Dissipation (T
A
= +70°C) (Note 2)
Plastic DIP (derate 10.53mW/°C above +70°C) ..........842mW
Narrow SO (derate 8.70mW/°C above +70°C) ............696mW
QSOP (derate 9.52mW/°C above +70°C) ....................762mW
CERDIP (derate 10.00mW/°C above +70°C) ...............800mW
Operating Temperature Ranges
MAX452_C_E ......................................................0°C to +70°C
MAX452_E_E ...................................................-40°C to +85°C
MAX452_MJE ................................................-55°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10 sec) ............................+300°C
(Note 4)
V+ = 5.5V, V- = -5.5V,
V
COM_
= ±4.5V
V+ = 5.5V, V- = -5.5V,
V
COM_
= ±4.5V, V
N_
= 4.5V
V+ = 5V, V- = -5V,
V
COM_
= ±3V, I
COM_
= 1mA
V+ = 5.5V, V- = -5.5V,
V
COM_
= 4.5V, V
N_
= ±4.5V
V+ = 5V, V- = -5V,
V
COM_
= ±3V, I
COM_
= 1mA
V+ = 5V, V- = -5V,
V
COM_
= ±3V, I
COM_
= 1mA
CONDITIONS
nA
-200
200
I
COM_(ON)
COM_ On-Leakage Current
(Note 7)
-20
20
-2
0.01
2
nA
-100
100
I
COM_(OFF)
COM_ Off-Leakage Current
(Note 7)
-10
10
-1
0.01
1
nA
-100
100
I
NO_(OFF)
,
I
NC_(OFF)
NO_, NC_ Off-Leakage Current
(Note 7)
-10
10
-1
0.01
1
V
V-
V+
V
COM_
, V
NO_
,
V
NC_
Analog Signal Range
15
R
FLAT(ON)
COM_ to NO_, COM_ to NC_
On-Resistance Flatness
(Note 6)
7
12
6
R
ON
COM_ to NO_, COM_ to NC_
On-Resistance Match Between
Channels (Note 5)
65
100
125
R
ON
COM_ to NO_, COM_ to NC_
On-Resistance
1
4
UNITS
MIN
TYP
MAX
(Note 3)
SYMBOL
PARAMETER
C, E, M
M
C, E
+25°C
M
C, E
C, E, M
+25°C
M
+25°C
C, E, M
+25°C
C, E, M
+25°C
C, E
+25°C
T
A
ANALOG SWITCH
±
±
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
_______________________________________________________________________________________
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.)
CONDITIONS
C, E, M
C, E, M
V
0.8
1.6
V
IN_L
IN_ Input Logic Threshold Low
V
1.6
2.4
V
IN_H
IN_ Input Logic Threshold High
UNITS
MIN
TYP
MAX
(Note 3)
SYMBOL
PARAMETER
T
A
C, E, M
V
IN_
= 0.8V or 2.4V
µA
-1
0.03
1
I
INH_
, I
INL_
IN_ Input Current Logic High
or Low
+25°C
45
80
Turn-On Time
t
ON
V
COM_
= ±3V, V+ = 4.5V,
V- = -4.5V, Figure 1
C, E, M
100
ns
+25°C
15
30
Turn-Off Time
t
OFF
V
COM_
= ±3V, V+ = 4.5V,
V- = -4.5V, Figure 1
C, E, M
40
ns
Break-Before-Make Time Delay
(MAX4523 Only)
t
BBM
V
COM_
= ±3V, V+ = 5.5V,
V- = -5.5V, Figure 2
+25°C
5
20
ns
Charge Injection (Note 4)
Q
C
L
= 1nF, V
NO_
= 0V, R
S
= 0
,
Figure 3
+25°C
1
5
pC
NO_, NC_ Off-Capacitance
C
N_(OFF)
V
NO_
= GND, f = 1MHz,
Figure 6
+25°C
2
pF
COM_ Off-Capacitance
C
COM_(OFF)
V
COM_
= GND, f = 1MHz,
Figure 6
+25°C
2
pF
COM_ On-Capacitance
C
COM_(ON)
V
COM_
= V
NO_
= GND,
f = 1MHz, Figure 7
+25°C
5
pF
Off-Isolation (Note 8)
V
ISO
R
L
= 50
, C
L
= 15pF,
V
N_
= 1V
RMS
, f = 100kHz,
Figure 4
+25°C
< -90
dB
Power-Supply Range
V+, V-
C, E, M
-6
6
V
-1
0.05
1
V+ Supply Current
I+
V+ = 5.5V, all V
IN_
= 0V or V+
C, E, M
-1
1
µA
+25°C
-1
0.05
1
V- Supply Current
I-
V- = -5.5V
C, E, M
-1
1
µA
+25°C
Channel-to-Channel Crosstalk
(Note 9)
V
CT
R
L
= 50, C
L
= 15pF,
V
N_
= 1V
RMS
, f = 100kHz,
Figure 5
+25°C
< -90
dB
POWER SUPPLY
LOGIC INPUT
SWITCH DYNAMIC CHARACTERISTICS
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS--Single +5V Supply
(V+ = +4.5V to +5.5V, V- = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
+25°C
(Note 4)
CONDITIONS
C, E, M
125
200
V
0
V+
V
COM_
, V
NO_
,
V
NC_
Analog Signal Range
UNITS
MIN
TYP
MAX
(Note 3)
SYMBOL
PARAMETER
T
A
COM_ to NO_, COM_ to NC_
On-Resistance
R
ON
V+ = 4.5V, V
COM_
= 3.5V,
I
COM_
= 1mA
C, E, M
250
+25°C
2
8
COM_ to NO_, COM_ to NC_
On-Resistance Match Between
Channels (Note 5)
R
ON
V+ = 5V, V
COM_
= 3.5V,
I
COM_
= 1mA
C, E, M
10
+25°C
-1
0.01
1
C, E
-10
10
NO_, NC_ Off-Leakage Current
(Notes 7, 10)
I
NO_(OFF)
,
I
NC_(OFF)
V+ = 5.5V; V
COM_
= 1V, 4.5V;
V
N_
= 4.5V, 1V
M
-100
100
nA
+25°C
-1
0.01
1
C, E
-10
10
COM_ Off-Leakage Current
(Notes 7, 10)
I
COM_(OFF)
V+ = 5.5V; V
COM_
= 1V, 4.5V;
V
N_
= 4.5V, 1V
M
-100
100
nA
+25°C
-2
0.01
2
C, E,
-20
20
COM_ On-Leakage Current
(Notes 7, 10)
I
COM_(ON)
V+ = 5.5V; V
COM_
= 4.5V, 1V
M
-200
200
nA
IN_ Input Logic Threshold High
V
IN_H
C, E
1.6
2.4
V
IN_ Input Logic Threshold Low
V
IN_L
C, E
0.8
1.6
V
IN_ Input Current Logic High
or Low
I
INH_
, I
INL_
V
IN_
= 0.8V or 2.4V
C, E
-1
0.03
1
µA
+25°C
60
100
Turn-On Time
t
ON
V
COM_
= 3V, V+ = 4.5V,
Figure 1
C, E, M
150
ns
+25°C
20
50
Turn-Off Time
t
OFF
V
COM_
= 3V, V+ = 4.5V,
Figure 1
C, E, M
75
ns
+25°C
10
30
Break-Before-Make Time Delay
(MAX4523 Only)
t
BBM
V
COM_
= 3V, V+ = 5.5V,
Figure 2
ns
+25°C
-1
0.05
1
V+ Supply Current
I+
V+ = 5.5V, all V
IN_
= 0V or V+
C, E, M
-1
1
µA
+25°C
-1
0.05
1
V- Supply Current
I-
V- = 0V
C, E, M
-1
1
µA
Charge Injection (Note 4)
Q
C
L
= 1nF, V
NO_
= 0V, R
S
= 0
,
Figure 3
+25°C
1
5
pC
POWER SUPPLY
SWITCH DYNAMIC CHARACTERISTICS
LOGIC INPUT
ANALOG SWITCH
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
_______________________________________________________________________________________
5
Note 3:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 4:
Guaranteed by design.
Note 5:
R
ON
=
R
ON(MAX)
-
R
ON(MIN)
.
Note 6:
Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured
over the specified analog signal range.
Note 7:
Leakage parameters are 100% tested at maximum rated temperature, and guaranteed by correlation at T
A
= +25°C.
Note 8:
Off-isolation = 20log10 [ V
COM_
/ (V
NC_
or V
NO_
) ], V
COM_
= output, V
NC_
or V
NO_
= input to off switch.
Note 9:
Between any two switches.
Note 10:
Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
ELECTRICAL CHARACTERISTICS--Single +3V Supply
(V+ = +2.7V to +3.6V, V- = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
+25°C
(Note 4)
COM_ to NO_, COM_ to NC_
On-Resistance
R
ON
V+ = 2.7V, V
COM_
= 1.0V,
I
COM_
= 0.1mA
C, E, M
600
IN_ Input Logic Threshold High
V
IN_H
C, E
1.6
2.4
V
IN_ Input Logic Threshold Low
CONDITIONS
C, E, M
V
IN_L
260
500
V
0
V+
V
COM_
, V
NO_
,
V
NC_
Analog Signal Range
C, E
0.8
1.6
V
IN_ Input Current Logic High
or Low
I
INH_
, I
INL_
V
IN_
= 0.8V or 2.4V
C, E
-1
0.03
1
µA
+25°C
120
250
Turn-On Time
t
ON
V
COM_
= 1.5V, V+ = 2.7V,
Figure 1
C, E, M
300
ns
+25°C
40
80
Turn-Off Time
t
OFF
V
COM_
= 1.5V, V+ = 2.7V,
Figure 1
C, E, M
100
ns
+25°C
15
50
Break-Before-Make Time Delay
(MAX4523 Only)
t
BBM
V
COM_
= 1.5V, V+ = 3.6V,
Figure 2
ns
+25°C
-1
0.05
1
V+ Supply Current
UNITS
MIN
TYP
MAX
(Note 3)
SYMBOL
PARAMETER
I+
V+ = 3.6V, all V
IN_
= 0V or V+
C, E, M
-1
1
µA
+25°C
-1
0.05
1
V- Supply Current
I-
V- = 0V
C, E, M
-1
1
µA
T
A
Charge Injection
Q
C
L
= 1nF, V
NO_
= 0V, R
S
= 0
,
Figure 3
+25°C
0.5
5
pC
ANALOG SWITCH
LOGIC INPUT
SWITCH DYNAMIC CHARACTERISTICS
(Note 4)
POWER SUPPLY
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