AS321 high gain internally frequency compensated operational amplifier
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Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER General Description
AS321 high gain internally frequency compensated operational amplifier specifically designed operate from single power supply. Operation from split power supply also possible power supply current drain independent magnitude power supply voltages. Typical applications include battery charger, active filters, general purpose controllers most conventional operational amplifier circuits. AS321 compatible with industry standard 321. AS321 available SOT-23-5 packages.
AS321
Excellent Phase Margin: deg. Large Voltage Gain: 100dB (Typical) Input Bias Current: 20nA (Typical) Input Offset Voltage: (Typical) Supply Current: 0.35mA VCC=5V Wide Power Supply Voltage: Single Supply: Dual Supplies: 1.5V Wide Input Common Mode Voltage Range: VCC-1.5V
Applications
Battery Charger Active Filters General Purpose Controllers, Instruments
SOT-23-5
Figure Package Type AS321
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Configuration
Package (SOT-23-5)
AS321
INPUT INPUT
OUTPUT
Figure Configuration AS321 (Top View)
Functional Block Diagram
100µA
INPUTQ1 OUTPUT 50µA
INPUT+
Figure Functional Block Diagram AS321
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Ordering Information
AS321 Circuit Type Package SOT-23-5
AS321
Lead Free Green Tape Reel
Package SOT-23-5
Temperature Range 85oC
Part Number Lead Free AS321KTR-E1
Marking
Green
AS321KTR-G1
Lead Free
Green
Packing Type Tape Reel
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant. Products with "G1" suffix available green packages.
Absolute Maximum Ratings (Note
Parameter Power Supply Voltage Differential Input Voltage Input Voltage Thermal Resistance Ambient Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, Seconds) Symbol (VCC-VEE) TSTG TLEAD Value -0.3
Unit
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability.
Recommended Operating Conditions
Parameter Supply Voltage Ambient Operating Temperature Range Symbol Unit
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Electrical Characteristics
Limits standard typeface TA=25oC, bold typeface applies over -40oC 85oC (Note VCC=5V, VEE=0V, VO=1.4V unless otherwise specified. Parameter Input Offset Voltage Average Temperature Coefficient Input Offset Voltage Input Bias Current Input Offset Current Input Common Mode Voltage Range (Note Symbol Conditions VO=1.4V, RS=0, VCC=5V (Note 0.35 0.45 0.45 0.65
VCC-1.5
AS321
Unit µV/oC
VIO/T TA=-40 85oC IBIAS IIN+ IIN-, VCM=0V IIN+ IIN-, VCM=0V VCC=30V, CMRR50dB RL=, VCC=5V
0.80
Supply Current
RL=, VCC=30V
Large Signal Voltage Gain Common Ratio Power Ratio Mode Supply Rejection Rejection
CMRR PSRR
VCC=15V, VO=1V 11V, RL2k VCM=0V (VCC-1.5)V, RS10k VCC=5V 30V, RS10k
Source Output Current Sink Output Short Circuit Current Ground
ISOURCE VIN+=1V, VIN-=0V, VCC=15V, VO=2V VIN+=0V, VIN-=1V, VCC=15V, VO=2V VIN+=0V, VIN-=1V, VCC=15V, VO=0.2V VCC=15V VCC=30V, RL=2k
ISINK
Output Voltage Swing
VCC=30V, RL=10k VCC=5V,
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Electrical Characteristics (Continued)
Limits standard typeface TA=25oC, bold typeface applies over -40oC 85oC (Note VCC=5V, VEE=0V, VO=1.4V unless otherwise specified. Parameter Total Harmonic Distortion Phase Margin Thermal Resistance (Junction Case) Symbol Conditions f=1kHZ, AV=20dB, RL=2k, VO=2Vp-p, CL=100pF, VCC=30V 0.015 SOT-23-5 Unit
AS321
Note Limits over full temperature guaranteed design, tested production. Note Over full input common-mode range VCC-1.5V(at 25oC). Note input common-mode voltage either input signal voltage should allowed negatively more than 0.3V 25oC). upper common-mode voltage range VCC-1.5V 25oC), either both inputs +36V without damages, independent magnitude VCC.
Typical Performance Characteristics
Input Voltage (+VDC)
Input Current (nA)
NEGATIVE
POSITIVE
Power Supply Voltage (+VDC)
Temperature
Figure Input Voltage Range
Figure Input Current
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Electrical Characteristics (Continued) AS321
Supply Current (mA)
Voltage Gain (dB)
RL=2K RL=20K
Supply Voltage
Power Supply Voltage
Figure Supply Current
Figure Voltage Gain
VCC=30V, VEE=0V RL=2k, CL=100pF
Output Voltage Input Voltage
Open Loop Gain (dB)
0.2k
100k
Frequency (Hz)
Time (µs)
Figure Open Loop Gain vs.Frequency
Figure Voltage Follower Pulse Response
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Typical Performance Characteristics (Continued) AS321
Output Voltage (mV)
Output Swing
100k
Time (µs)
Frequency (Hz)
Figure Voltage Follower Pulse Response (Small Signal)
Figure Large Signal Frequency Response
Output Voltage Referenced
Output Voltage
VCC=5V
VCC=15V
0.01 1E-3
0.01
Output Source Current (mA)
Output Sink Current (mA)
Figure Output Characteristics: Current Sourcing
Figure Output Characteristics: Current Sinking
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Typical Performance Characteristics (Continued) AS321
Output Current (mA)
Temperature
Figure Current Limiting
Typical Application
910K
100k
100K VIN(+) AS321
100k 100k 100k 100k
AS321 100k
Figure Power Amplifier
Figure Summing Amplifier
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Typical Application (Continued) AS321
100k 0.1µF
AS321
6.2k 100k 100k AV=1+R2/R1
AS321
10µF
AV=11 shown)
Figure Coupled Non-Inverting Amplifier
Figure Fixed Current Sources
0.01µF
0.001µF
100K
0.01µF AS321 100k
AS321
100K 100K
100k
fo=1KHz AV=2
Figure Pulse Generator
Figure Coupled Low-Pass Active Filter
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER SINGLE OPERATIONAL AMPLIFIER Mechanical Dimensions SOT-23-5 Unit: mm(inch) AS321
2.820(0.111) 3.020(0.119)
0.100(0.004) 0.200(0.008)
2.950(0.116)
2.650(0.104)
1.500(0.059) 1.700(0.067)
0.200(0.008)
0.700(0.028)
0.950(0.037)
0.300(0.012) 0.400(0.016) 1.800(0.071) 2.000(0.079)
0.300(0.012) 0.600(0.024)
1.450(0.057)
0.000(0.000) 0.100(0.004)
0.900(0.035) 1.300(0.051)
Oct. 2009 Rev.
Semiconductor Manufacturing Limited
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE IMPORTANT NOTICE Semiconductor Manufacturing Limited reserves right make changes without further notice products specifiBCD Semiconductor Manufacturing Limited reserves right make changes without further notice products specifications herein. Semiconductor Manufacturing Limited does assume responsibility products cations herein. Semiconductor Manufacturing Limited does assume responsibility products particular purpose, does Semiconductor Manufacturing Limited assume liability arising application particular purpose, does Semiconductor Manufacturing Limited assume liability arising application products circuits. Semiconductor Manufacturing Limited does convey license under patent rights products circuits. Semiconductor Manufacturing Limited does convey license under patent rights other rights rights others. other rights rights others.
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