Input offset voltage measurements are performed by automated test equipment approximately 0.5 seconds after application of power. E Grade specifications are
guaranteed fully warmed up.
2
Long term input offset voltage stability refers to the average trend line of V
OS
vs. time over extended periods after the first 30 days of operation. Excluding the initial
hour of operation, changes in V
OS
during the first 30 days are typically 2.5
mV.
Refer to the Typical Performance Curve.
3
Sample tested.
4
Parameter is guaranteed by design.
5
See test circuit and frequency response curve for 0.1 Hz to 10 Hz tester.
6
See test circuit for current noise measurement.
7
Guaranteed by input bias current.
Specifications subject to change without notice.
–2–
REV. A
OP227
SPECIFICATIONS
Individual Amplifier Characteristics
(V =
S
15 V, –25 C
£
T
A
£
+85 C, unless otherwise noted.)
Max
140
OP227G
Min
Typ
85
Max
280
Unit
mV
mV/
C
nA
nA
V
dB
mV/V
V/mV
V
Parameter
INPUT OFFSET
VOLTAGE
AVERAGE INPUT
OFFSET DRIFT
INPUT OFFSET
CURRENT
INPUT BIAS
CURRENT
INPUT VOLTAGE
RANGE
COMMON-MODE
REJECTION RATIO
POWER SUPPLY
REJECTION RATIO
LARGE-SIGNAL
VOLTAGE GAIN
OUTPUT VOLTAGE
SWING
Symbol
V
OS
TCV
OS
TCV
OSn
I
OS
I
B
IVR
CMRR
PSRR
Conditions
Note 1
OP227E
Min
Typ
40
Note 2
0.5
10
±
14
±
10
±
11.8
124
1.0
50
±
60
±
10
96
0.5
20
±
25
±
11.8
118
1.8
135
±
150
V
CM
=
±
10 V
V
S
=
±
4.5 V to
±
18 V
R
L
2 kW,
V
O
=
±
10 V
R
L
S
110
2
15
2
32
A
VO
V
O
750
±
11.7
A
1500
±
13.6
450
±
11.0
1000
±
13.3
2 kW
Matching Characteristics
(V =
±15
V, T = 25 C, unless otherwise noted.)
Parameter
INPUT OFFSET
VOLTAGE MATCH
AVERAGE
NONINVERTING
CURRENT
NONINVERTING
OFFSET CURRENT
INVERTING OFFSET
CURRENT
COMMON-MODE
REJECTION RATIO
MATCH
POWER SUPPLY
REJECTION RATIO
MATCH
CHANNEL
SEPARATION
Symbol
V
OS
Conditions
OP227E
Min
Typ
25
±
10
Max
80
±
40
OP227G
Min
Typ
55
±
15
Max
300
±
90
Unit
mV
Bias
nA
I
B
+
I
B
+ =
I
B
+
A
+
I
B
+
B
2
I
OS
+
I
OS
-
CMRR
I
OS
+ = I
B
+
A
-I
B+B
I
OS
- = I
B
-
A
-I
B
-
B
V
CM
=
±
11 V
V
S
=
±
4 V to
±
18 V
Note 1
126
110
±
12
±
12
123
±
60
±
60
97
±
20
±
20
117
±
130
±
130
nA
nA
dB
PSRR
2
154
10
126
2
154
20
mV/V
dB
CS
NOTES
1
Input Offset Voltage measurements are performed by automated equipment approximately 0.5 seconds after application of power.
2
The TCV
OS
performance is within the specifications unnulled or when nulled with R
P
= 8 kW to 20 kW, optimum performance is obtained with R
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