AS358/358A/358B
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Description
The AS358/358A/358B consists of two independent, high gain and
internally frequency compensated operational amplifiers, they are
specifically designed to operate from a single power supply.
Operation from split power supply is also possible and the low power
supply current drain is independent of the magnitude of the power
supply voltages. Typical applications include transducer amplifiers,
DC gain blocks and most conventional operational amplifier circuits.
The AS358/358A/358B series is compatible with industry standard
358. The AS358A has more stringent input offset voltage than the
AS358.
The AS358 is available in PDIP-8, TDIP-8, SO-8, TSSOP-8 and
MSOP-8 packages, the AS358A is available in PDIP-8 and SO-8
packages and AS358B is available in TSSOP-8 package.
Pin Assignments
(Top View)
OUTPUT 1
INPUT 1-
INPUT 1+
GND
1
2
3
4
8
7
6
5
V
CC
OUTPUT 2
INPUT 2-
INPUT 2+
(SO-8/TSSOP-8/MSOP-8)
(Top View)
OUTPUT 1
INPUT 1-
1
2
3
4
8
7
6
5
V
CC
OUTPUT 2
Features
Internally Frequency Compensated for Unity Gain
Large Voltage Gain: 100dB (Typical)
Low Input Bias Current: 20nA (Typical)
Low Input Offset Voltage: 2mV (Typical)
Low Supply Current: 0.5mA (Typical)
Wide Power Supply Voltage:
Single Supply: 3V to 36V
Dual Supplies: ±1.5V to ±18V
INPUT 1+
GND
INPUT 2-
INPUT 2+
(PDIP-8/TDIP-8)
Applications
Battery Charger
Cordless Telephone
Switching Power Supply
Input Common Mode Voltage Range Includes Ground
Large Output Voltage Swing: 0V to V
CC
-1.5V
Lead-Free Packages: SO-8, PDIP-8 and TSSOP-8
Totally Lead-Free; RoHS Compliant (Notes 1 & 2)
Lead-Free Packages, Available in “Green” Molding Compound:
SO-8, PDIP-8, TDIP-8, TSSOP-8 and MSOP-8
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AS358/358A/358B
Document number: DS36834 Rev. 6 - 2
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AS358/358A/358B
Typical Applications Circuit
R1
Opto
Isolator
R6
V
CC
1/2
AS358/A
-
AC
Line
SMPS
+
GND
R7
Battery
Pack
R3
R4
R5
Current
R2
Sense
AZ431
V
CC
1/2
AS358/A
+
GND
-
R8
Battery Charger
R1 910K
R1 100k
R2 100K
-
1/2 AS358/A
R3 91K
V
IN(+)
+
R
L
V
O
V
CC
+V
1
+
+V
2
R2 100k
R3 100k
+V
3
+V
4
R4 100k
R5
100k
1/2 AS358/A
-
R6 100k
V
O
Power Amplifier
DC Summing Amplifier
AS358/358A/358B
Document number: DS36834 Rev. 6 - 2
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AS358/358A/358B
Typical Applications Circuit
(Cont.)
V
CC
+
2V
-
+
2V
-
R1 100k
C1
0.1F
R2 1M
-
1/2
AS358/A
+
C
O
R
B
6.2k
R4 100k
V
CC
R5
100k
R3
2K
R1
2K
R2
V
O
R
L
10k
C
IN
AC
-
1/2 AS358/A
+
I1
1mA
I2
R3
1M
C2
10F
A
V
=1+R2/R1
A
V
=11 (As shown)
R4
3K
AC Coupled Non-Inverting Amplifier
Fixed Current Sources
R1
1M
C1 0.01F
0.001F
R2 100k
-
1/2 AS358/A
+
V
O
V
IN
R1 16K
R2 16k
+
C2
0.01F
1/2 AS358/A
-
R3
100k
V
O
R3 100k
V
CC
R4
100k
R5 100k
V
O
0
f
O
R4
100k
f
O
=1kHz
Q=1
A
V
=2
Pulse Generator
DC Coupled Low-Pass Active Filter
AS358/358A/358B
Document number: DS36834 Rev. 6 - 2
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AS358/358A/358B
Functional Block Diagram
V
CC
6A
4A
100A
Q5
Q6
Q2
-
INPUTS
+
Q10
Q8
Q9
Q1
Q3
Q4
Rsc
OUTPUT
Cc
Q7
Q11
Q12
50A
Q13
Absolute Maximum Ratings
(Notes 4 & 5)
Symbol
V
CC
V
ID
V
IC
Parameter
Power Supply Voltage
Differential Input Voltage
Input Voltage
PDIP-8
SO-8
P
D
Power Dissipation (T
A
= +25°
C)
TSSOP-8
MSOP-8
T
J
T
STG
T
LEAD
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 Seconds)
+150
-65 to +150
+260
500
470
°
C
°
C
°
C
Rating
40
40
-0.3 to 40
830
550
mW
Unit
V
V
V
Notes: 4. Stresses greater than 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 under “Recommended Operating Conditions” is not implied.
Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.
5. ESD sensitivity.
Recommended Operating Conditions
Symbol
V
CC
T
A
Supply Voltage
Ambient Operating Temperature Range
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Parameter
Min
3
-40
Max
36
+85
Unit
V
°
C
May 2018
© Diodes Incorporated
AS358/358A/358B
Document number: DS36834 Rev. 6 - 2
AS358/358A/358B
Electrical Characteristics
(Limits in standard typeface are for T
A
= +25°
bold
typeface applies over -40° to +85° (Note 6), V
CC
C,
C
C
= 5V, GND = 0V, unless otherwise specified.)
Symbol
Parameter
Conditions
AS358
V
IO
Input Offset Voltage
V
O
= 1.4V, R
S
= 0Ω,
V
CC
= 5V to 30V
AS358A
AS358B
∆V
IO
/∆T
I
BIAS
I
IO
V
IR
Average Temperature Coefficient of Input
Offset Voltage
Input Bias Current
Input Offset Current
Input Common Mode Voltage Range (Note 7)
T
A
= -40° to +85°
C
C
I
IN
+ or I
IN
-, V
CM
= 0V
I
IN
+ - I
IN
-, V
CM
= 0V
V
CC
= 30V
T
A
= -40° to +85° R
L
= ∞,
C
C,
V
CC
= 30V
T
A
= -40° to +85° R
L
= ∞, V
CC
=
C
C,
5V
V
CC
= 15V, V
O
= 1V to 11V, R
L
≥ 2kΩ
DC, V
CM
= 0V to (V
CC
-1.5)V
V
CC
= 5V to 30V
f = 1kHz to 20kHz
Source
Output Current
I
SINK
Sink
V
IN
+ = 1V, V
IN
- = 0V, V
CC
= 15V,
V
O
= 2V
V
IN
+ = 0V, V
IN
- = 1V, V
CC
= 15V,
V
O
= 2V
V
IN
+ = 0V, V
IN
- = 1V, V
CC
= 15V,
V
O
= 0.2V
I
SC
Output Short Circuit Current to Ground
V
CC
= 15V
V
CC
= 30V, R
L
= 2kΩ
V
OH
Output Voltage Swing
V
CC
= 30V, R
L
= 10kΩ
V
CC
= 5V, R
L
= 10kΩ
SO-8
θ
JC
Thermal Resistance (Junction to Case)
TSSOP-8
MSOP-8
SO-8
θ
JA
Notes:
Min
—
—
—
—
—
—
—
—
—
—
—
0
—
—
85
80
60
60
70
60
—
20
20
10
5
12
—
26
26
27
27
—
—
—
Typ
2
—
2
—
—
—
7
20
—
5
—
—
0.7
0.5
100
—
70
—
100
—
-120
40
—
15
—
50
40
—
—
28
—
5
—
17
47
22
115
Max
5
7
3
5
2
4
—
200
200
30
100
V
CC
-
1.5
2
Unit
mV
µV/°
C
nA
nA
V
I
CC
Supply Current
mA
1.2
—
—
—
—
—
—
—
—
—
—
—
—
60
—
—
—
—
20
30
—
°
C/W
—
mV
V
dB
dB
dB
dB
mA
mA
µA
mA
G
V
CMRR
PSRR
CS
I
SOURCE
Large Signal Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Channel Separation
V
OL
Thermal Resistance (Junction to Ambient)
TSSOP-8
MSOP-8
—
209
160
6. Limits over the full temperature are guaranteed by design, but not tested in production.
7. The input common-mode voltage of either input signal voltage should not be allowed to go negatively by more than 0.3V (at +25° The upper end of the
C).
common-mode voltage range is V
CC
-1.5V (at +25° but either or both inputs can go to +36V without damages, independent of the magnitude of the
C),
V
CC
。
AS358/358A/358B
Document number: DS36834 Rev. 6 - 2
5 of 19
www.diodes.com
May 2018
© Diodes Incorporated
