Datasheet

LT1498/LT1499
14989fg
19
1A Voltage Controlled Current Source
1A Voltage Controlled Current Sink
–
+
1/2 LT1498
1k
500pF
t
r
< 1μs
14989 TA03
Si9430DY
V
IN
V
+
R
L
100Ω
0.5Ω
1k
I
OUT
=
I
OUT
V
+
– V
IN
0.5Ω
1k
V
IN
–
+
1/2 LT1498
500pF
14989 TA04
Si9410DY
V
+
V
+
R
L
I
OUT
100Ω
0.5Ω
1k
I
OUT
=
V
IN
0.5Ω
t
r
< 1μs
Input Bias Current Cancellation
TYPICAL APPLICATIONS
–
+
–
+
1M
1M
CANCELLATION
AMP
SIGNAL
AMP
22pF
INPUT BIAS CURRENT LESS THAN 50nA
FOR 500mV ≤ V
IN
≤ (V
+
– 500mV)
1/2 LT1498
1/2 LT1498
R
F
V
OUT
14989 TA05
V
IN
R
G