32
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PI5A381A
PI5A383A
PI5A385A
Functional Diagram, Pin Configurations and Truth Tables
Features
Single-Supply Operation (+2V to +6V)
Rail-to-Rail Analog Signal Dynamic Range
Low On-Resistance (8
typ with 5V supply)
Minimizes Distortion and Error Voltages
R
ON
Matching Between Channels, 0.9
typ
On-Resistance Flatness, 3
typ
Low Charge Injection Reduces Glitch Errors. Q = 7pC typ
High Speed. t
ON
= 8ns typ
Very Good Off-Isolation: -55dB @ 10 MHz
Wide -3dB Bandwidth: 230 MHz
High-Current Channel Capability: >100mA
TTL/CMOS Logic Compatible
Low Power Consumption (0.5
W typ)
Pin-compatible with DG40X, MAX38X
Applications
Audio, Video Switching and Routing
Battery-Powered Communication Systems
Computer Peripherals
Telecommunications
Portable Instrumentation
Replaces Mechanical Relays
Switches shown for Logic "0" input
NC = Normally Closed, NO = Normally Open, NIC = Not internally Connected
Description
The PI5A381/383/385A are dual monolithic analog switches
designed for single-supply operation. These high-precision
devices are ideal for low-distortion audio, video signal switching
and routing.
The PI5A381 is a dual single-pole single-throw (SPST), nor-
mally open (NO) switch. The PI5A383 is a dual single-pole
double-throw (SPDT) switch. The PI5A385 is a dual double-
pole single-throw (DPST), normally open (NO) function.
Each switch conducts current equally well in either direction
when on. When off they block voltages up to the power-supply
rails.
The PI5A381/383/385 are fully specified with +5V, and +3.3V
supplies. With +5V, they guarantee <10
on-resistance. On-
resistance matching between channels is within 2
. On-
resistance flatness is less than 4
over the specified range. The
PI5A38X family guarantees fast switching speeds (t
ON
< 15ns).
These products are available in the 16-pin narrow-body SOIC,
QSOP, and PDIP packages for operation over the industrial
(-40
o
C to +85
o
C) temperature range.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
COM1
NIC
COM3
NC3
NC4
COM4
COM2
NIC
NO1
NIC
GND
NIC
V
IN2
NO2
IN1
PI5A383A
CC
A
3
8
3
A
5
I
P
c
i
g
o
L
2
W
S
,
1
W
S
4
W
S
,
3
W
S
0
1
F
F
O
N
O
N
O
F
F
O
A
1
8
3
A
5
I
P
c
i
g
o
L
h
c
t
i
w
S
0
1
F
F
O
N
O
A
5
8
3
A
5
I
P
c
i
g
o
L
h
c
t
i
w
S
0
1
F
F
O
N
O
PI5A381A/383A/385A
Precision Wide Bandwidth Analog Switches
33
PS7062D 07/14/98
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PI5A381A
PI5A383A
PI5A385A
Electrical Characteristics-Single 5.0V Supply
(V
CC
= 5V 10%, GND = 0V, V
INH
= 2.4V, V
INL
= 0.8V)
Absolute Maximum Ratings
Voltages Referenced to GND
V
CC
...................................................................................................................................
0.5V to +7V
V
IN
,V
COM
,V
NC
,V
NO
(Note 1) ................................ 0.5V to V
CC
+2V
................................................... or 30mA, whichever occurs first
Current (any terminal except COM, NO, NC) .................... 30mA
Current, COM, NO, NC ................................................... 100 mA
(pulsed at 1ms, 10% duty cycle) ....................................... 120mA
Thermal Information
Continuous Power Dissipation
PDIP (derate 10.5mW/C above 70C) ............................. 800mW
Narrow SO & QSOP
(derate 8.7mW/C above +70C) ...................................... 650mW
Storage Temperature ........................................... -65C to +150C
Lead Temperature(soldering, 10s) .................................... +300C
Note 1 : Signals on NC, NO, COM, or IN exceeding V
CC
or GND
are clamped by internal diodes. Limit forward diode current to
30mA.
Caution: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating
and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied.
r
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=
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4
=
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0
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5
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+
V
M
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5
.
4
+
=
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O
N
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r
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N
V
0
=
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2
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0
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M
O
C
V
C
C
V
,
V
5
.
5
=
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O
C
V
5
.
4
+
=
V
O
N
V
r
o
C
N
V
5
.
4
+
=
5
2
7
0
.
0
l
l
u
F
0
8
-
0
8
.......................................................................................
34
PS7062D 07/14/98
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PI5A381A
PI5A383A
PI5A385A
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=
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.
0
%
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1
A
Notes:
1.
The algebraic convention, where the most negative value is a minimum and the most positive is a maximum, is used in this data sheet.
2.
Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing.
3.
Guaranteed by design.
4.
R
=
R
max
- R
min.
5.
Flatness is defined as the difference between the maximum and minimum value of on-resistance measured.
6.
Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25C.
7.
Off Isolation = 20log
10
[V
COM
/ (V
NO
or V
NC
)]. See figure 3.
8. Between any two switches. See figure 4.
9.
D = R
FLAT(ON)
/R
L
.
Electrical Characteristics-Single 5.0V Supply (continued)
(V
CC
= 5V 10%, GND = 0V, V
INH
= 2.4V, V
INL
= 0.8V)
35
PS7062D 07/14/98
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PI5A381A
PI5A383A
PI5A385A
Electrical Specifications - Single +3.3V Supply
(V
CC
= +3.3V 10%, GND = 0V, V
INH
= 2.4V, V
INL
= 0.8V)
Notes:
1. The algebraic convention, where the most negative value is a minimum and the most positive is a maximum, is used in
this data sheet.
2. Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing.
3. Guaranteed by design
4.
R
=
R
max
- R
min
5. Flatness is defined as the difference between the maximum and minimum value of on-resistance measured.
r
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t
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1
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(
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ANALOG
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CC
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c
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R
-
n
O
R
ON
V
CC
I
,
V
3
=
COM
0
3
-
=
m ,
A
V
NO
V
r
o
NC
V
5
.
1
=
5
2
2
1
8
1
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2
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4
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ON
V
C
C
I
,
V
3
.
3
=
COM
=
0
3
-
m ,
A
V
NO
V
r
o
NC
=
,
V
8
.
0
V
5
.
2
5
2
1
2
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a
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F
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5
,
3
(
R
FLAT(ON
)
5
2
4
0
1
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F
2
1
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a
n
y
D
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i
T
n
O
-
n
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u
T
t
ON
V
C
C
= 3.3
V
,
V
O
N
V
r
o
=
C
N
V
5
.
1
1
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r
u
g
i
F
5
2
4
1
5
2
s
n
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l
u
F
0
4
e
m
i
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f
f
O
-
n
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u
T
t
OFF
5
2
5
2
1
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l
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F
0
2
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o
i
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j
n
I
e
g
r
a
h
C
)
3
(
Q
C
L
1
= n ,
F V
GEN
=
,
V
0
R
GEN
= 0V,
2
e
r
u
g
i
F
5
2
5
0
1
C
p
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p
p
u
S
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p
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u
S
e
v
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P
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e
r
r
u
C
I
C
C
V c
c
V
,
V
6
.
3
=
N
I
V
r
o
V
0
=
CC
,
a
f
f
o
r
o
n
o
s
l
e
n
n
a
h
c
l
l
l
l
u
F
1
A
36
PS7062D 07/14/98
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PI5A381A
PI5A383A
PI5A385A
-100
-80
-60
-40
-20
0
2
1
4
10
6 8
20
40 60 80100 200
(dB)
Frequency (MHz)
Off Isolation
Crosstalk
V
CC
= +5V
-40
40
80
10nA
1nA
100pA
10pA
1pA
0.1pA
0.01pA
Temperature
("
C)
Leakage
I
I
0
CO
M(O
N)
CO
M(O
FF)
CC
=
+5V
V
8
4
12
16
1
2
3
4
5
RO
N
0
A
B
C
0
20
V
10
30
40
+5V
+7V
COM
1
2
3
4
5
6
7
R(
W
)
ON
(V)
Vcc = +2V
+3.3V
Typical Operating Characteristics (T
A
=+25C, unless otherwise noted)
Charge Injection vs. Analog Voltage
Leakage Current vs. Temperature
Crosstalk and Off-Isolation vs. Frequency
R
ON
vs. V
COM
R
ON
vs. V
COM
and Temperature
Leakage Currents vs. Analog Voltage
()
A: T
A
= 90C
B: T
A
= 25C
C: T
A
= -40C
V = +5V
0
8
16
20
-8
-16
NO, NC, VCOM
(V)
0
1
2
3
4
5
I
I
Leakage (pA)
A(ON or IB(ON)
A(OFF) or IB(OFF)
VCC = +5V
V = 3.3V
CC
15
10
5
0
-5
0
1
2
3
4
5
Q-Charge Injection (pC)
V = 5V
CC
V
COM
( V )
V
COM
(V)
(C)
CC
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