Datasheet

7
®
OPA627, 637
TYPICAL PERFORMANCE CURVES (CONT)
At T
A
= +25°C, and V
S
= ±15V, unless otherwise noted.
INPUT BIAS AND OFFSET CURRENT
vs JUNCTION TEMPERATURE
Junction Temperature (°C)
Input Current (pA)
10k
1k
100
10
1
0.1
–50 –25 0 25 50 75 100 125 150
I
B
I
OS
INPUT BIAS CURRENT
vs POWER SUPPLY VOLTAGE
Supply Voltage (±V
S
)
Input Bias Current (pA)
20
15
10
5
0
±4 ±6 ±8 ±10 ±12 ±14 ±16 ±18
NOTE: Measured fully
warmed-up.
TO-99 with 0807HS Heat Sink
TO-99
Plastic
DIP, SOIC
INPUT BIAS CURRENT vs COMMON-MODE VOLTAGE
Common-Mode Voltage (V)
Input Bias Current Multiplier
1.2
1.1
1
0.9
0.8
–15 –10 –5 0 5 10 15
Beyond Linear
Common-Mode Range
Beyond Linear
Common-Mode Range
INPUT OFFSET VOLTAGE WARM-UP vs TIME
Time From Power Turn-On (Min)
Offset Voltage Change (µV)
50
25
0
–25
–50
0 1 2 3 4 5 6
MAX OUTPUT VOLTAGE vs FREQUENCY
Frequency (Hz)
Output Voltage (Vp-p)
30
20
10
0
100k 1M 10M 100M
OPA627
OPA637
SETTLING TIME vs CLOSED-LOOP GAIN
100
10
1
0.1
–1 –10 –100 –1000
Closed-Loop Gain (V/V)
Settling Time (µs)
Error Band: ±0.01%
OPA637
OPA627