u3762mb ETC-unknow, u3762mb Datasheet - Page 19

• Manufacturer Part Number: u3762mb
• Description: Universal Telephone Functions Integrated
• Manufacturer: ETC-unknow

Rev. A1, 15-Sep-98
Electrical Characteristics Tone Ringer
f
Break duration
Make duration
Break + make duration
Supply current,
outputs open
Switch-on threshold
Switch-off threshold
Ringing frequency
Audio sequence frequency
Output voltage swing
Turn-off delay
RCK
VRING
VRIAC
OUT
= 4 kHz, V
Parameters
Volt
Parameters
0
0
0
RING
= 20 V, T
MODE pin = R3
MODE pin = C1, C2, R4
MODE pin = R1 (20 pps)
MODE pin = R2
MODE pin = R3
MODE pin = C1, C2, R4
MODE pin = R1 (20 pps)
MODE pin = R2
MODE pin = C1, C2, R3, R4
MODE pin = R1, R2 (20 pps)
V
V
V
R = 150 k , C = 1 nF
V
V
See figure 11
amb
RIAC
RIAC
RIAC
RIAC
Ring
Test Conditions / Pins
Test Conditions / Pins
= 25 _ C, reference point GND, unless otherwise specified
Preliminary Information
= 25 V, C
, THA = open
= 20 V
> V
Melody
RON
Figure 14. Turn-off delay time
out
t
off
= 68 nF
Symbol
V
V
I
Symbol
V
RING
ROFF
f
f
t
RON
1H
f
off
1L
out
2
t
t
t
t
t
t
M
M
B
B
P
P
Min.
11.5
937
752
2.1
5.0
Min.
21
57.6
8
63
38
31
95
1010
Typ.
12.5
808
5.6
33.35
16.65
23
65
Typ.
66.7
33.3
9
100
60
30
40
20
50
U3762MB
Max.
1083
14.0
868
100
3.8
6.5
10
Max.
62.4
105
69
41
35
12459
t
t
t
Unit
19 (23)
mA
V
Hz
Hz
Hz
ms
Unit
V
V
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
pp