OP249AZ Datasheet, PDF (11/20 Pages) Analog Devices – Precision JFET, High Speed, Dual Operational Amplifier

Data Sheet
180
T_A = 25°C
160 V_S = ±15V
415 × OP249
140 ^{(830 OP AMPS)}
120
100
80
60
40
20
0
–1000 –800 –600 –400 –200 0 200 400 600 800 1000
V_OS (µV)
Figure 30. VOS Distribution (N-8)
300
270
240
210
180
150
120
90
60
30
0
0
V_S = ±15V
–40°C TO +85°C
(830 OP AMPS)
2 4 6 8 10 12 14 16 18 20 22 24
TCV_OS (µV/°C)
Figure 31. TCVOS Distribution (N-8)
50
V_S = ±15V
40
30
20
10
0
0
1
2
3
4
5
TIME AFTER POWER APPLIED (Minutes)
Figure 32. Offset Voltage Warm-Up Drift
10k
V_S = ±15V
V_CM = 0V
1k
OP249
100
10
1
–75 –50 –25
0
25
50
75
TEMPERATURE (°C)
100 125
Figure 33. Input Bias Current vs. Temperature
10⁴
T_A = 25°C
V_S = ±15V
10³
10²
10¹
10⁰
–15
–10
–5
0
5
10
15
COMMON-MODE VOLTAGE (V)
Figure 34. Bias Current vs. Common-Mode Voltage
50
T_A = 25°C
V_S = ±15V
40
30
20
10
0
0
2
4
6
8
10
TIME AFTER POWER APPLIED (Minutes)
Figure 35. Bias Current Warm-Up Drift
Rev. H | Page 11 of 20