參數(shù)資料
型號(hào): U3762MB-MFNG3
英文描述: Universal Telephone IC - All Functions Integrated
中文描述: 通用電話芯片-所有的功能集成
文件頁數(shù): 19/23頁
文件大?。?/td> 248K
代理商: U3762MB-MFNG3
U3762MB
Preliminary Information
Rev. A1, 15-Sep-98
19 (23)
Unit
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
Max.
62.4
69
Typ.
60
66.7
30
33.35
40
33.3
20
16.65
100
50
Min.
57.6
63
Symbol
t
B
Test Conditions / Pins
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)
Parameters
Break duration
t
B
Make duration
t
M
38
31
41
35
t
M
Break + make duration
t
P
t
P
95
105
Electrical Characteristics Tone Ringer
f
RCK
= 4 kHz, V
RING
= 20 V, T
amb
= 25 C, reference point GND, unless otherwise specified
Parameters
Test Conditions / Pins
V
RIAC
= 20 V
Symbol
I
RING
Min.
2.1
Typ.
Max.
3.8
Unit
mA
Supply current,
outputs open
Switch-on threshold
Switch-off threshold
Ringing frequency
V
RIAC
, THA = open
V
RIAC
R = 150 k
, C = 1 nF
V
RIAC
> V
RON
V
RON
V
ROFF
8
9
10
6.5
V
V
5.0
5.6
f
1H
f
1L
f
2
V
out
t
off
937
752
11.5
21
1010
808
12.5
23
65
1083
868
14.0
Hz
Hz
Hz
V
pp
ms
Audio sequence frequency
Output voltage swing
Turn-off delay
V
Ring
= 25 V, C
out
= 68 nF
See figure 11
100
0
0
0
OUT
VRIAC
VRING
Volt
Melody
t
off
12459
t
t
t
Figure 14. Turn-off delay time
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