BCD AS324A Low power quad operational amplifier Datasheet

Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
General Description
Features
The AS324/324A consist of four independent, high
gain and internally frequency compensated operational
amplifiers. They are specifically designed to operate
from a single power supply. Operation from split
power supplies is also possible and the low power
supply current drain is independent of the magnitude
of the power supply voltage. Typical applications
include transducer amplifiers, DC gain blocks and
most conventional operational amplifier circuits.
·
The AS324/324A series are compatible with industry
standard 324. AS324A has more stringent input offset
voltage than AS324.
·
·
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 Range:
Single Supply: 3V to 36V
Dual Supplies: ± 1.5V to ± 18V
Input Common Mode Voltage Range Includes
Ground
Large Output Voltage Swing: 0V to VCC -1.5V
·
Power Drain Suitable for Battery Operation
·
·
·
·
·
The AS324 is available in SOIC-14, DIP-14 and
TSSOP-14 packages, AS324A is available in SOIC-14
package.
Application
·
·
·
DIP-14
AS324/324A
Battery Charger
Cordless Telephone
Switching Power Supply
TSSOP-14
SOIC-14
Figure 1. Package Types of AS324/324A
Jan. 2013 Rev. 2. 0
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Pin Configuration
P Package
(DIP-14)
M/G Package
(SOIC-14/TSSOP-14)
OUTPUT 1
1
14
OUTPUT 4
INPUT 1-
2
13
INPUT 4-
INPUT 1+
3
12
INPUT 4+
VCC
4
11
GND
5
10
INPUT 3+
INPUT 2-
6
9
INPUT 3-
OUTPUT 2
7
8
OUTPUT 3
INPUT 2+
OUTPUT 1
1
14
OUTPUT 4
INPUT 1-
2
13
INPUT 4-
INPUT 1+
3
12
INPUT 4+
VCC
4
11
GND
5
10
INPUT 3+
INPUT 2-
6
9
INPUT 3-
OUTPUT 2
7
8
OUTPUT 3
INPUT 2+
Figure 2. Pin Configuration of AS324/324A (Top View)
Functional Block Diagram
VCC
6μA
4μA
100μA
Q5
Q6
Q2
-
Q3
Cc
Q7
Q4
Q1
Rsc
INPUTS
OUTPUT
+
Q11
Q10
Q8
Q13
Q12
Q9
50μA
Figure 3. Functional Block Diagram of AS324/324A (Each Amplifier)
Ordering Information
-
AS324
E1: Lead Free
G1: Green
TR: Tape and Reel
Blank: Tube
Package
M: SOIC-14
P: DIP-14
G: TSSOP-14
Circuit Type
Blank: AS324
A: AS324A
Jan. 2013 Rev. 2. 0
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Ordering Information (Continued)
Package
Temperature
Range
SOIC-14
-40 to 85oC
DIP-14
TSSOP-14
Part Number
Lead Free
Marking ID
Green
Lead Free
AS324M-E1
AS324M-G1
AS324M-E1
AS324MTR-E1
AS324MTR-G1
AS324AM-E1
AS324AM-G1
AS324AMTR-E1
AS324P-E1
AS324GTR-E1
Green
Packing Type
AS324M-G1
Tube
AS324M-E1
AS324M-G1
Tape & Reel
AS324AM-E1
AS324AM-G1
Tube
AS324AMTR-G1 AS324AM-E1
AS324AM-G1
Tape & Reel
AS324P-G1
AS324P-E1
AS324P-G1
AS324GTR-G1
EGS324
GGS324
Tube
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green packages.
Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
40
V
Differential Input Voltage
VID
40
V
Input Voltage
VIN
-0.3 to 40
V
o
Total Power Dissipation (TA=25 C)
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 Seconds)
PD
DIP-14
1130
SOIC-14
800
TSSOP-14
710
mW
TJ
150
o
C
TSTG
-65 to 150
o
C
TLEAD
oC
260
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.
Recommended Operating Conditions
Parameter
Supply Voltage
Ambient Operating Temperature Range
Symbol
Min
Max
Unit
VCC
3
36
V
TA
-40
85
oC
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Electrical Characteristics
Limits in standard typeface are for TA=25oC, bold typeface applies over TA=-40oC to 85oC (Note 2), VCC=5V, GND=0V,
unless otherwise specified.
Parameter
Symbol
VIO
Input Offset Voltage
Average Temperature Coefficient of Input Offset Voltage
Input Offset Current
Input Bias Current
Test Conditions
VO=1.4V, RS=0 Ω,
VCC=5V to 30V
Min
AS324
IIO
IIN+ - IIN-, VCM=0V
IBIAS
IIN+ or IIN-, VCM=0V
20
TA=-40 to 85 oC, RL=∞
Large Signal Voltage Gain
GV
VCC=15V, RL ≥ 2kΩ, VO=1V to 11V
Common Mode Rejection
Ratio
CMRR
DC, VCM=0 to (VCC-1.5)V
Power
Ratio
PSRR
VCC=5 to 30V
Source
ISOURCE
Sink
ISINK
Output Current
3
VCC=5V
0.7
1.2
Thermal Resistance
(Junction to Case)
100
60
70
100
VIN+=0V, VIN-=1V, VCC=15V, VO=2V
40
VCC=15V
15
VCC=5V, RL= 10kΩ
mA
mA
μA
50
40
V
mA
5
12
nA
dB
20
10
nA
dB
-120
20
mV
dB
60
VIN+=1V, VIN-=0V, VCC=15V, VO=2V
mV
dB
80
f=1kHz to 20kHz
VCC=30V, RL=10kΩ
θJC
85
60
VOH
VOL
VCC -1.5
1.0
70
VCC=30V, RL=2kΩ
Output Voltage Swing
100
VCC=30V
VIN+=0V, VIN-=1V, VCC=15V, VO=0.2V
ISC
30
200
0
Unit
μV/oC
100
ICC
Output Short Circuit Current
to Ground
5
5
Supply Current
CS
3
7
VCC=30V
Channel Separation
5
2
ΔVIO/ΔT TA=-40 to 85oC
VIR
Rejection
Max
2
7
AS324A
Input Common Mode
Voltage Range (Note 3)
Supply
Typ
60
mA
26
26
27
V
28
27
5
20
30
DIP-14
24.78
SOIC-14
36.78
mV
oC/W
Note 2: Limits over the full temperature are guaranteed by design, but not tested in production.
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Electrical Characteristics (Continued)
Note 3: 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 25oC), but either or
both inputs can go to +36V without damages, independent of the magnitude of the VCC.
Typical Performance Characteristics
30
15
27
Input Current (nA)
Input Voltage (+VDC)
24
10
NEGATIVE
POSITIVE
5
21
18
15
12
9
6
3
0
0
0
5
10
-25
15
0
25
50
75
100
125
o
Power Supply Voltage (+VDC)
Temperature ( C)
Figure 4. Input Voltage Range
Figure 5. Input Current
120
2.0
1.8
105
1.4
Voltage Gain (dB)
Supply Current (mA)
1.6
1.2
1.0
0.8
0.6
RL=2KΩ
RL=20KΩ
90
75
0.4
0.2
0.0
60
0
5
10
15
20
25
30
35
40
Supply Voltage (V)
0
8
16
24
32
40
Power Supply Voltage (V)
Figure 6. Supply Current
Figure 7. Voltage Gain
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Typical Performance Characteristics (Continued)
120
4
Output
Voltage (V)
110
100
80
70
3
2
1
0
60
3
50
Input
Voltage (V)
Voltage Gain (dB)
90
40
30
20
10
0
1
10
100
1k
10k
100k
1M
2
1
0
0
Frequency (Hz)
4
8
12
16
20
24
28
32
36
40
Time (μs)
Figure 8. Open Loop Frequency Response
Figure 9. Voltage Follower Pulse Response
20
300
15
200
Output Swing (V)
Output Voltage (mV)
250
150
100
50
10
5
0
0
1
2
3
4
5
6
7
8
9
0
1k
10
10k
100k
1M
Frequency (Hz)
Time (μs)
Figure 10. Voltage Follower Pulse Response
(Small Signal)
Figure 11. Large Signal Frequency Response
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Typical Performance Characteristics (Continued)
10
7
VCC
6
VCC/2
Output Voltage (V)
Output Voltage Referenced to VCC (V)
8
Vo
5
IO
4
3
1
VCC=5V
VCC=15V
VCC
0.1
IO
VCC/2
2
Vo
1
0
1E-3
0.01
0.1
1
10
0.01
1E-3
100
0.01
0.1
1
10
100
Output Sink Current (mA)
Output Source Current (mA)
Figure 12. Output Characteristics: Current Sourcing
Figure 13. Output Characteristics: Current Sinking
100
90
Output Current (mA)
80
70
60
50
40
30
20
10
0
-25
0
25
50
75
100
125
o
Temperature ( C)
Figure 14. Current Limiting
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Typical Applications
R1
Opto
Isolator
R6
-
VCC
1/4
AS324/A
AC
Line
+
SMPS
Battery
Pack
GND
R7
R3
R5
R4
VCC
1/4
AS324/A
+
GND
-
Current
R2
Sense
AZ431
R8
Figure 15. Battery Charger
R1 910k
R1 100k
+V1
+V2
R2 100k
R3 100k
R5
100k
-
1/4 AS324/A
VO
R3 91k
-
VIN(+)
R6 100k
+V3
+V4
R2 100k
+
VCC
1/4 AS324/A
VO
+
RL
R4 100k
Figure 16. DC Summing Amplifier
Figure 17. Power Amplifier
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Typical Applications (Continued)
VCC
+
2V
-
+
2V
-
R3
2k
R2 1M
R1 100k
R1
2k
C1
0.1μF
R2
-
CO
1/4 AS324/A
RB
6.2k
+
-
CIN
1/4 AS324/A
I1
+
R4
3k
R3
1M
AC
I2
1mA
VO
RL
10k
R4 100k
VCC
R5
100k
C2
10μF
AV=1+R2/R1
AV=11 (As shown)
Figure 18. Fixed Current Sources
Figure 19. AC Coupled Non-Inverting Amplifier
R1 1M
C1 0.01μF
0.001μF
R2 100k
R1 16k
R2 16k
+
VIN
1/4 AS324/A
C2
0.01μF
VO
-
+
R3 100k
VO
1/4 AS324/A
R3
100k
VO
R5 100k
VCC
0
R4
100k
fO
R4
100k
fO=1kHz
Q=1
AV=2
Figure 21. DC Coupled Low-Pass RC Active Filter
Figure 20. Pulse Generator
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Mechanical Dimension
DIP-14
1.524(0.060) TYP
10°
Unit: mm(inch)
0.700(0.028)
7.620(0.300)TYP
1.600(0.063)
1.800(0.071)
5°
10°
4°
4°
0.204(0.008)
0.360(0.014)
8.200(0.323)
9.400(0.370)
0.254(0.010)
0.360(0.014)
0.560(0.022)
2.540(0.100)TYP
3.000(0.118)
3.600(0.142)
0.510(0.020)MIN
Φ3.000(0.118)
Depth
0.100(0.004)
0.200(0.008)
1.600(0.063)
1.800(0.071)
0.130(0.005)MIN
6.200(0.244)
6.600(0.260)
18.800(0.740)
19.200(0.756)
R1.000(0.039)
Note: Eject hole, oriented hole and mold mark is optional.
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
10
Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Mechanical Dimension (Continued)
SOIC-14
Unit: mm(inch)
A
0.700(0.028)
0.100(0.004)
0.250(0.010)
7°
0.280(0.011) ×45°
0.480(0.019)×45°
8°
8°
0°
8°
9.5°
7°
8°
0.190(0.007)
0.250(0.010)
1.350(0.053)
1.750(0.069)
8.550(0.337)
8.750(0.344)
3.800(0.150)
4.000(0.157)
1.270(0.050)
0.330(0.013)
0.510(0.020)
1.000(0.039)
A
6.200(0.244)
1.300(0.051)
5.800(0.228)
0.250(0.010)
0.200(0.008)MIN
20:1
R0.200(0.008)
R0.200(0.008)
1°
5°
0.500(0.020)
0.600(0.024)
0.250(0.010)
φ 2.000(0.079)
Depth 0.060(0.002)
0.100(0.004)
φ
Note: Eject hole, oriented hole and mold mark is optional.
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
11
Data Sheet
LOW POWER QUAD OPERATIONAL AMPLIFIERS
AS324/324A
Mechanical Dimension (Continued)
TSSOP-14
Unit: mm(inch)
0.340(0.013)
0.540(0.021)
SEE DETAIL A
0.050(0.002)
0.150(0.006)
0.900(0.035)
1.050(0.041)
1.200(0.047) MAX
0.100(0.004)
0.190(0.007)
4.860(0.191)
5.060(0.199)
TOP&BOTTOM
R0.090(0.004)
10°
14°
0.200(0.008)
6.200(0.244)
6.600(0.260)
INDEX
0.950(0.037)
φ1.050(0.041)
0
DEP
0.100(0.004)
R0.090(0.004)
4.300(0.169)
4.500(0.177)
0°
8°
0.450(0.018)
0.750(0.030)
0.250(0.010)
# 1 PIN
1.000(0.039) REF
0.650(0.026)
0.200(0.008)
0.280(0.011)
DETAIL A
Note: Eject hole, oriented hole and mold mark is optional.
Jan. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
12
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