Datasheet

LT1115
14
1115fa
Figure 6. Ultralow THD Oscillator (Sine Wave) (< 5ppm Distortion)
–
+
–
+
LT1115
LT1022
LT1006
LT1010
15V
15V
15V
15V
15V
–15V
–15V
–15V
–15V
–15V
1µF
35V
1µF
35V
1µF
35V
1µF
35V
1µF
35V
1µF
35V
1µF
35V
R1
R2
100Ω
3
3
3
2
2
2
7
7
7
6
4
4
4
4
1
5
–
+
10k 10k
10µF
10pF
500Ω
(20T)
2.4k
5.6k
2k
2k
200Ω
VACTEC
VTL 5C10
IN
100Ω
200Ω
1µF
120k
C2
0.1µF
FILM
R
BOOST
= 49.9Ω
MOUNT,
1N4148's
IN CLOSE
PROXIMITY
4.7k
20V
P-P
OUTPUT
1k
470µF
35V
470µF
35V
C1
0.1µF FILM
2.5V
1.2V
LT1004's
f =
1
2πRC
WHERE R1C1 = R2C2
MEASURED WITH
R1 = R2 = 1.5k
<5ppm DISTORTION AND NOISE
AT 1kHz, 20V
P-P
INTO 100Ω
MEASUREMENT LIMITED BY RESOLUTION
OF AUDIO PRECISION TEST SYSTEM
ALL BYPASS CAPACITORS: LOW ESR
FILM CAPACITORS = ASC TYPE 315
LT1115 • TA17
+
+
+
+
+
+
+
+
+
+
+
TYPICAL APPLICATIO S
U