Datasheet

250
200
150
100
50
0
QuiescentCurrentAdjustResistor( )W
I AdjustPinBiasCurrent( A)
Q
m
0.01 0.1
100k
1 10 100 1k 10k
350
300
250
200
150
100
50
0
QuiescentCurrentAdjustResistor( )W
I /I Ratio
Q ADJ
0.01 0.1
100k
1 10 100 1k 10k
= 5E-18xR-
ADJ ADJ ADJ ADJ
4 3 2
+1E-12xR 7E-08xR +0.0046xR +37.8-
I
Q
I
ADJ
I =QuiescentCurrent.
Q
I =CurrentflowingoutofI adjustpin.
ADJ Q
40
30
20
10
0
−
10
−
20
−
30
−
40
Ambient Temperature (
_
C)
OTA C−Output Bias Current (
µ
A)
−
40
−
20 0 20 40 60 80 100 120
Five Representative Units
9
8
7
6
5
4
3
Ambient Temperature (
_
C)
Quiescent Current (mA)
−
40
−
20 0 20 40 60 80 100 120
6
4
2
0
−
2
−
4
−
6
Ambient Temperature (
_
C)
Offset Voltage (mV)
3
2
1
0
−
1
−
2
−
3
Input Bias Current (
µ
A)
−
40
−
20 0 20 40 60 80 100 120
B−Input Offset Voltage
B−Input Bias Current
OPA861
www.ti.com SBOS338G –AUGUST 2005–REVISED MAY 2013
TYPICAL CHARACTERISTICS: V
S
= ±5V (continued)
At T
A
= +25°C, I
Q
= 5.4mA, and R
L
= 500Ω, unless otherwise noted.
B-INPUT OFFSET VOLTAGE AND BIAS CURRENT
vs TEMPERATURE QUIESCENT CURRENT vs TEMPERATURE
Figure 14. Figure 15.
C-OUTPUT BIAS CURRENT vs TEMPERATURE I
Q
/I
ADS
Ratio vs R
ADJ
Figure 16. Figure 17.
QUIESCENT CURRENT vs ADJUST PIN BIAS CURRENT
Figure 18.
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