Datasheet

®
ACF2101
6
I
IN
R
ON
(Ω)
RESET SWITCH R
ON
vs INPUT CURRENT
1.65k
1.6k
1.55k
1.4k
1.35k
–10µA–100µA –1µA 0 1µA 10µA 100µA
1.5k
1.45k
NOTE: If I
IN
flows through Reset Switch that
is ON, an output offset voltage is created.
Reset SW
R
ON
I
IN
I
IN
R
ON
(Ω)
HOLD SWITCH R
ON
vs INPUT CURRENT
1.65k
1.6k
1.55k
1.4k
1.35k
–10µA–100µA –1µA 0 1µA 10µA 100µA
1.5k
1.45k
I
IN
Hold SW
R
ON
C
LOAD
(pF)
Sw Out Settling Time (µs) to 0.01%, 10V Step
Sw Out SETTLING TIME vs C
LOAD
8
6
4
2
0
1000 300200 500400 700600 900800 1000
C
INTEGRATION
(pF)
Reset Time to 0.01% (µs)
RESET TIME vs C
INTEGRATION
40
30
20
10
0
1000 300200 500400 700600 900800 1000
TOTAL OUTPUT NOISE vs C
1
and C
2
0
100
90
80
70
60
50
40
30
20
10
0
C
1
(pF)
100 200 300 400 500 600 700 800 900 1000
Total Output Noise (µVrms)
C
2
= 200pF
C
2
=
50
0pF
C
2
= 1000pF
C
2
=
1
0
0
p
F
Temperature (°C)
Op Amp Bias Current
10pA
1pA
100fA
10fA
–20–40 2006040 80 100
BIAS CURRENT vs TEMPERATURE
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V+ = +5V, V– = –15V, C
INTEGRATION
= C
INTERNAL
= 100pF, unless otherwise noted.