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AS321 데이터시트(Datasheet) 5 Page - BCD Semiconductor Manufacturing Limited

부품명 AS321
상세내용  LOW POWER SINGLE OPERATIONAL AMPLIFIER
PDF  11 Pages
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제조사  BCDSEMI [BCD Semiconductor Manufacturing Limited]
홈페이지  http://www.bcdsemi.com
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 1 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
1
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
General Description
The AS321 is a high gain and internally frequency
compensated
operational
amplifier
specifically
designed to operate from a single power supply. Opera-
tion 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 battery charger, active filters,
general purpose controllers and most conventional
operational amplifier circuits.
The AS321 is compatible with industry standard 321.
The AS321 is available in SOT-23-5L packages.
Features
·
Excellent Phase Margin: 60 deg.
·
Large Voltage Gain: 100dB (Typical)
·
Low Input Bias Current: 20nA (Typical)
·
Low Input Offset Voltage: 2mV (Typical)
·
Low Supply Current: 0.35mA at VCC=5V
·
Wide Power Supply Voltage:
Single Supply: 3V to 36V
Dual Supplies: ±1.5V to ±18V
·
Wide Input Common Mode Voltage Range: 0V to
VCC-1.5V
Applications
·
Battery Charger
·
Active Filters
·
General Purpose Controllers, Instruments
Figure 1. Package Type of AS321
SOT-23-5L
 2 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
2
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Functional Block Diagram
OUTPUT
INPUT +
INPUT -
VEE
Figure 2. Pin Configuration of AS321 (Top View)
Figure 3. Functional Block Diagram of AS321
Pin Configuration
K Package
(SOT-23-5L)
1
3
4
5
2
VCC
Q2
Q4
Q3
Q1
Q8
Q9
6
µA
4
µA
Q10
Q11
50
µA
Q5
Q6
Q13
Rsc
Cc
100
µA
Q7
INPUT+
OUTPUT
Q12
V
CC
VEE
INPUT-
 3 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
3
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Value
Unit
Power Supply Voltage
VS
(VCC-VEE)
40
V
Differential Input Voltage
VID
40
V
Input Voltage
VIN
-0.3 to 40
V
Thermal Resistance to Ambient
Rθ JA
260
oC/W
Operating Junction Temperature
TJ
150
oC
Storage Temperature Range
TSTG
-65 to 150
oC
Lead Temperature (Soldering, 10 Seconds)
TLEAD
260
oC
Note 1: 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.
Absolute Maximum Ratings (Note 1)
Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
336
V
Ambient Operating Temperature Range
TA
-40
85
oC
Ordering Information
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Package
Temperature Range
Part Number
Marking ID
Packing Type
Lead Free
Lead Free
SOT-23-5L
-40 to 85
oC
AS321KTR-E1
E6T
Tape & Reel
Circuit Type
Package
E1: Lead Free
AS321
TR: Tape and Reel
K: SOT-23-5L
-
 4 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
4
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input Offset Voltage
VIO
VO=1.4V, RS=0Ω, VCC=5V to 30V (Note
3)
25
mV
7
Average Temperature Coeffi-
cient of Input Offset Voltage
∆V
IO/∆T
TA=-40 to 85
oC
7
µV/oC
Input Bias Current
IBIAS
IIN+ or IIN-, VCM=0V
20
100
nA
200
Input Offset Current
IIO
IIN+ - IIN-, VCM=0V
530
nA
100
Input Common Mode Voltage
Range (Note 4)
VCM
VCC=30V, CMRR≥50dB
0
VCC-1.5
V
Supply Current
ICC
RL=∞, VCC=5V
0.35
0.80
mA
0.45
1.0
RL=∞, VCC=30V
0.45
1.2
mA
0.65
1.5
Large Signal Voltage Gain
GV
VCC=15V, VO=1V to 11V, RL≥2kΩ
85
100
dB
80
Common
Mode
Rejection
Ratio
CMRR
VCM=0V to (VCC-1.5)V, RS≤10kΩ
60
70
dB
60
Power
Supply
Rejection
Ratio
PSRR
VCC=5V to 30V, RS≤10kΩ
70
100
dB
60
Output Current
Source
ISOURCE VIN+=1V, VIN-=0V, VCC=15V, VO=2V
20
40
mA
20
Sink
ISINK
VIN+=0V, VIN-=1V, VCC=15V, VO=2V
10
15
mA
5
VIN+=0V, VIN-=1V, VCC=15V, VO=0.2V
12
50
µA
Output Short Circuit Current
to Ground
ISC
VCC=15V
40
60
mA
Output Voltage Swing
VOH
VCC=30V, RL=2kΩ
26
V
26
VCC=30V, RL=10kΩ
27
28
27
VOL
VCC=5V, RL= 10kΩ
520
mV
30
Limits in standard typeface are for TA=25
oC, bold typeface applies over -40oC to 85oC (Note 2), V
CC=5V, VEE=0V, VO=1.4V
unless otherwise specified.
 5 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
5
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Electrical Characteristics (Continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Total Harmonic Distortion
THD
f=1kHZ, AV=20dB, RL=2kΩ,
VO=2Vp-p, CL=100pF, VCC=30V
0.015
%
Phase Margin
φ
M
60
Deg
Limits in standard typeface are for TA=25
oC, bold typeface applies over -40oC to 85oC (Note 2), V
CC=5V, VEE=0V, VO=1.4V
unless otherwise specified.
Note 2: Limits over the full temperature are guaranteed by design, but not tested in production.
Note 3: Over the full input common-mode range 0V to VCC-1.5V(at 25
oC).
Note 4: The input common-mode voltage of either input signal voltage should not be allowed to go negatively by
more than 0.3V (at 25oC). The upper end of the common-mode voltage range is VCC-1.5V (at 25
oC), but either or
both inputs can go to +36V without damages, independent of the magnitude of the VCC.
Typical Performance Characteristics
0
5
10
15
0
5
10
15
POSITIVE
NEGATIVE
Power Supply Voltage (+V
DC
)
Figure 4. Input Voltage Range
Figure 5. Input Current
-25
0
25
50
75
100
125
0
2
4
6
8
10
12
14
16
18
20
Temperature (
oC)
 6 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
6
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Figure 6. Supply Current
Figure 7. Voltage Gain
0
5
10
15
20
25
30
35
40
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Supply Voltage (V)
0
8
16
24
32
40
60
75
90
105
120
Power Supply Voltage (V)
R
L
=2K
R
L
=20K
Electrical Characteristics (Continued)
Figure 8. Open Loop Gain vs.Frequency
Figure 9. Voltage Follower Pulse Response
Time (
µs)
0
4
8
1216
20
2428
32
36
40
0
1
2
3
1
2
3
4
0
-20
0
20
40
60
80
0.2k
1k
10k
100k
1M 2M
Frequency (Hz)
V
CC
=30V, V
EE
=0V
R
L
=2kΩ, C
L
=100pF
 7 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
7
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Figure 10. Voltage Follower Pulse Response
(Small Signal)
Time (
µs)
Figure 11. Large Signal Frequency Response
Typical Performance Characteristics (Continued)
04
812
16
20
100
200
300
400
500
600
700
800
1k
10k
100k
1M
0
5
10
15
20
Frequency (Hz)
Figure 12. Output Characteristics: Current Sourcing
Figure 13. Output Characteristics: Current Sinking
1E-3
0.01
0.1
1
10
100
0.01
0.1
1
10
V
CC
=15V
Output Sink Current (mA)
V
CC
=5V
0.1
1
10
100
0
1
2
3
4
5
6
7
8
Output Source Current (mA)
 8 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
8
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Figure 14. Current Limiting
-25
0
25
50
75
100
125
0
10
20
30
40
50
60
70
80
90
100
Temperature (
oC)
Typical Performance Characteristics (Continued)
Figure 17. DC Summing Amplifier
Figure 16. Power Amplifier
Typical Application
R1 910K
V
O
R2 100K
R3 91K
V
IN(+)
V
CC
R
L
AS321
-
+
R6 100k
V
O
R5
100k
R1 100k
R2 100k
R3 100k
R4 100k
+V
1
+V
2
+V
3
+V
4
AS321
+
-
 9 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
9
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Figure 20. Pulse Generator
Figure 18. AC Coupled Non-Inverting Amplifier
Figure 21. DC Coupled Low-Pass Active Filter
Figure 19. Fixed Current Sources
Typical Application (Continued)
V
CC
R4
3K
R3
2K
+
-
2V
+
-
2V
I1
I2
1mA
AS321
R1
2K
R2
-
+
R5 100K
R3 100K
R4
100
K
R2 100K
R1
1M
V
O
V
CC
AS321
0.001
µF
-
+
R2 16K
R1 16K
V
IN
R3
100k
AS321
R4
100k
C2
0.01
µF
C1 0.01
µF
f
0
V
0
0
fo=1KHz
Q=1
A
V=2
+
-
V
O
R4 100k
V
CC
R3
1M
R1 100k
R2 1M
C1
0.1
µF
C
IN
R5
100k
C
O
V
O
AS321
R
L
10k
C2
10
µF
A
V=1+R2/R1
A
V=11 (As shown)
-
+
AC
R
B
6.2k
 10 page
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LOW POWER SINGLE OPERATIONAL AMPLIFIER
AS321
Data Sheet
10
Jul. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Mechanical Dimensions
SOT-23-5L
Unit: mm(inch)
2.820(0.111)
0.000(0.000)
0.300(0.012)
0.950(0.037)
1.050(0.041)
0.100(0.004)
0.200(0.008)
3.020(0.119)
0.400(0.016)
0.100(0.004)
1.150(0.045)
0.200(0.008)
1.800(0.071)
2.000(0.079)
0.700(0.028)
REF
TYP




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