LT1492 Linear Technology, LT1492 Datasheet - Page 13

• Manufacturer Part Number: LT1492
• Description: 5MHz/ 3V/us/ Low Power Single Supply/ Dual and Quad Precision Op Amps
• Manufacturer: Linear Technology

SI PLIFIED SCHE ATIC
TYPICAL APPLICATIONS
V
W
IN
1k
Q7
Q9
1A Voltage-Controlled Current Source
V
+
1k
1k
Q8
I
1
–
+
–IN
LT1492
1/2
C
I
Q1
I
t
W
OUT
r
I
< 1 s
2
Q3
=
Q5
V
1
IN
U
Q4
I
200pF
3
Q6
100
1
1k
I
Q2
LOAD
IN
V
+
0.05
I
4
+IN
Ground Current Sense Amplifier
R
Si9430DY
P-CHANNEL
L
I
OUT
1492/93 TA05
100
+
–
LT1492
1/2
5V
Q10
I
0.1 F
5
1910
100pF
C
F
Q11
I
V
OFFSET 3.6mA
BANDWIDTH = 250kHz
t
7
r
O
= 1 s
R
1492/93 TA07
= 1V/A
F
C
V
M
IN
1A Voltage-Controlled Current Sink
Q12
–
+
I
LT1492
6
1/2
BIAS
V
I
t
OUT
r
+
< 1 s
=
C
O
V
1
IN
Q13
I
8
LT1492/LT1493
100pF
100
Q14
1k
1492/93 SS
Q16
Q15
V
+
1
R
Si9410DY
N-CHANNEL
L
I
OUT
1492/93 TA06
V
V
OUT
–
+
13