LT1684 Linear Technology, LT1684 Datasheet - Page 12

• Manufacturer Part Number: LT1684
• Description: Micropower Ring Tone Generator
• Manufacturer: Linear Technology

APPLICATIO S I FOR ATIO
LT1684
12
–110V
110V
100pF
1N5817
C2
FB1: FERRONICS FMB1601
D1
C1 20pF
R10
10k
U
1
2
3
4
5
6
7
7
IN B
COMP1
COMP2
LIM
V
GATE
AT
–
REF
U
–
1/2 LT1017
–
LT1684
V
V
+
–
8
4
AMPIN
BG
GATE
LIM
+
–
OUT
IN A
OUT
V
+
+
+
W
5
6
[phone]
Active Filter Tuned Oscillator Ring Tone Generator
14
13
12
11
10
9
8
680k
10k
10k
R
R9
R8
F3
C
C
U
F1
F2
0.22 F
0.22 F
1
Ringer Output
R
5.6k
R
2.7k
1/2 LT1017
F1
F2
V
V
+
–
8
4
+
–
3
2
R6
1k
R5
100k
R4
100k
C4
6.8nF
C3
6.8nF
R1 100
100
100k
R2
R3
FB1
1684 F05a
M1
IRF610
M2
IRF9610
C5
0.1 F
D2
1N4001
OUTPUT
+
–
100mA
PEAK