OPA277, OPA2277, OPA4277
6
SBOS079A
www.ti.com
TYPICAL CHARACTERISTICS
(CONT)
At T
A
= +25
°
C, V
S
=
±
15V, and R
L
= 2k
Ω
, unless otherwise noted.
OFFSET VOLTAGE PRODUCTION DISTRIBUTION
Percent of Amplifiers (%)
Offset Voltage (µV)
–50–45–40–35–30–25–20–15–10 –5 0 5 10 15 20 25 30 35 40 45 50
16
14
12
10
8
6
4
2
0
Typical distribution
of packaged units.
Single, dual, and
quad included.
3
2
1
0
–1
–2
–3
Offset Voltage Change (µV)
0
30
60
90
120
Time from Power Supply Turn-On (s)
WARM-UP OFFSET VOLTAGE DRIFT
15
45
75
105
OFFSET VOLTAGE DRIFT
PRODUCTION DISTRIBUTION
Percent of Amplifiers (%)
Offset Voltage (µV/°C)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
35
30
25
20
15
10
5
0
Typical distribution
of packaged units.
Single, dual, and
quad included.
INPUT BIAS CURRENT vs TEMPERATURE
125
Temperature (°C)
–75
–50
–25
0
25
50
75
100
5
4
3
2
1
0
–1
–2
–3
–4
–5
Input Bias Current (nA)
Curves represent typical
production units.
–75
–50
–25
0
25
50
75
100
125
160
150
140
130
120
110
100
A
OL
, CMR, PSR (dB)
Temperature (°C)
A
OL
, CMR, PSR vs TEMPERATURE
CMR
A
OL
PSR
–75
–50
–25
0
25
50
75
100
125
1000
950
900
850
800
750
700
650
600
550
500
Quiescent Current (µA)
100
90
80
70
60
50
40
30
20
10
0
Short-Circuit Current (mA)
Temperature (°C)
QUIESCENT CURRENT AND
SHORT-CIRCUIT CURRENT vs TEMPERATURE
+I
SC
–I
SC
±I
Q
