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Analog Devices Semiconductor Electronic Components Datasheet

OP221 Datasheet

Dual Low Power Operational Amplifier

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a
FEATURES
Excellent TCVOS Match, 2 V/؇C Max
Low Input Offset Voltage, 150 V Max
Low Supply Current, 550 A Max
Single Supply Operation, 5 V to 30 V
Low Input Offset Voltage Drift, 0.75 V/؇C
High Open-Loop Gain, 1500 V/mV Min
High PSRR, 3 V/V
Wide Common-Mode Voltage
Range, V– to within 1.5 V of V+
Pin Compatible with 1458, LM158, LM2904
Available in Die Form
Dual Low Power Operational Amplifier,
Single or Dual Supply
OP221
PIN CONNECTIONS
8-Lead SOIC
(S-Suffix)
+IN A 1
V– 2
+IN B 3
–IN B 4
8 –IN A
7 OUT A
6 V+
5 OUT B
NC = NO CONNECT
GENERAL DESCRIPTION
The OP221 is a monolithic dual operational amplifier that can
be used either in single or dual supply operation. The wide
supply voltage range, wide input voltage range, and low supply
current drain of the OP221 make it well-suited for operation
from batteries or unregulated power supplies.
The excellent specifications of the individual amplifiers combined
with the tight matching and temperature tracking between channels
provide high performance in instrumentation amplifier designs.
The individual amplifiers feature very low input offset voltage,
low offset voltage drift, low noise voltage, and low bias current.
They are fully compensated and protected.
Matching between channels is provided on all critical parameters
including input offset voltage, tracking of offset voltage vs. tem-
perature, non-inverting bias currents, and common-mode rejection.
SIMPLIFIED SCHEMATIC
Q3 Q4
–IN Q1
+IN
Q2
Q7
Q6
Q5
NULL*
Q11
Q12
Q9 Q10
Q4
Q13
*ACCESSIBLE IN CHIP FORM ONLY
V+
Q28
Q26
Q27
OUTPUT
Q29
Q33
V–
REV. C
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002


Analog Devices Semiconductor Electronic Components Datasheet

OP221 Datasheet

Dual Low Power Operational Amplifier

No Preview Available !

OP221–SPECIFICATIONS (Electrical Characteristics at Vs = ؎2.5 V to ؎15 V, TA = 25؇C, unless otherwise noted.)
OP221G
Parameter
Symbol
Conditions
Min Typ Max Unit
Input Offset Voltage
VOS
250 500
mV
Input Offset Current Ios
VCM = 0
1.5 7
nA
Input Bias Current
Input Voltage Range
Common-Mode
Rejection Ratio
IB
IVR
CMRR
Power Supply
Rejection Ratio
PSRR
VCM = 0
V+ = 5 V, V– = 0 V1
VS = ± 15 V
V+ = –5 V, V– = 0 V
0 V £ VCM £ 3.5 V
VS = ± 15 V
–15 V £ VCM £ 13.5 V
VS = ± 2.5 V to ± 15 V
V– = 0 V, V+ = 5 V to 30 V
0/3.5
–15/13.5
70
75 85
80 90
32
57
120 nA
V
dB
100
180 mV/V
Large-Signal
Voltage Gain
Output Voltage
Swing
Slew Rate
Avo
VO
SR
VS = ± 15 V, RL = 10 kW
VO = ± 10 V
V+ = 5 V, V– = 0 V
RL = 10 kW
VS = 15 V, RL = 10 kW
RL = 10 kW2
800
0.8/4
± 13.5
0.2
0.3
V/mV
V
V/mS
Bandwidth
BW
600 kHz
Supply Current
(Both Amplifiers)
ISY
VS = ± 2.5 V, No Load
VS = ± 15 V, No Load
550 650
850 900
mA
–2– REV. C


Part Number OP221
Description Dual Low Power Operational Amplifier
Maker Analog Devices
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OP221 Datasheet PDF






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