LT1022_1 Datasheet, PDF (8/12 Pages) Linear Technology – High Speed, Precision JFET Input Operational Amplifier

LT1022
TYPICAL APPLICATIO S
Wide Bandwidth Absolute Value Circuit
10k*
10k*
10k*
10pF
10pF
INPUT ^10k*
±10V
15V
2_{– 7}
LT1022
3₊
4
–15V
10k*
15V
1N4148
2_–
7
6
LT1022
3₊
1N4148
4
6
OUTPUT
0V TO 10V
–15V
*0.1%
1% ACCURACY TO 300kHz
5% ACCURACY TO 700kHz
LT1022 • TA06
Fast, Differential Input Current Source
15V
V_IN1
R* _{2 –}
7
LT1022
V_IN2
R* _{3 +}
4
–15V
10pF ^R*
6
I_OUT
=
V_IN2 – V_IN1
R
R*
I_OUT R_L
*MATCH TO 0.01%
FULL-SCALE POWER BANDWIDTH
= 1MHz FOR I_OUTR = 8V_P-P
= 400kHz FOR I_OUTR = 20V_P-P
MAXIMUM I_OUT = 10mA_P-P
COMMON-MODE VOLTAGE AT
LT1022 INPUT
=
I_OUTP-P •
2
R_L
LT1022 • TA07
1022fa
8