LT1028_01 Datasheet, PDF (16/20 Pages) Linear Technology – Ultralow Noise Precision High Speed Op Amps

LT1028/LT1128
TYPICAL APPLICATIO S
Super Low Distortion Variable Sine Wave Oscillator
C1
0.047
R1
20Ω 2k
C2
0.047
20Ω
2k
R2
2.4k
+
LT1028
–
5.6k
10pF
22k
15µF
2N4338
560Ω
10k
100k
TRIM FOR
20k _LOWEST
DISTORTION
LT1055
<0.0018% DISTORTION AND NOISE.
MEASUREMENT LIMITED BY RESOLUTION OF
HP339A DISTORTION ANALYZER
1V_RMS OUTPUT
1.5kHz TO 15kHz
( ) f = 1
2πRC
WHERE R1C1 = R2C2
4.7k
15V
LT1004-1.2V
MOUNT 1N4148s
IN CLOSE PROXIMITY
10k
1028/1128 TA10
16
Chopper-Stabilized Amplifier
15V
1N758
3₊
7
6
LT1052
2_–
8
4
1
0.1
0.1
0.01
INPUT
100k
1N758
15V
–15V
130Ω
68Ω 30k
1
7
3₊
8
LT1028
OUTPUT
2_–
4
10k
–15V
1028/1128 TA11
10Ω