參數(shù)資料
型號： FM1062
英文描述： Low Voltage Transmission Circuit
中文描述： 低壓輸電線路
文件頁數(shù)： 4/6頁
文件大小： 102K
代理商： FM1062
6.
SYMBOL
V
LN
V
LN(R)
LIMITING VALUES
PARAMETER
CONDITIONS
MIN.
MAX.
12
13.2
UNIT
V
V
positive continuous line voltage
repetitive line voltage during
switch-on or line interruption
repetitive peak line voltage for a
1 ms pulse per 5 s
line current
total power dissipation
operating ambient temperature
storage temperature
V
LN(RM)
R9 = 20
; R10 = 13
;
see Fig.6
R9 = 20
R9 = 20
28
V
I
line
P
tot
T
amb
T
stg
25
40
140
mA
mW
o
C
o
C
+75
+125
7.
I
line
= 11 to 140 mA; V
EE
= 0 V; f = 800 Hz; T
amb
=25
o
C; unless otherwise specified.
SYMBOL
PARAMETER
V
LN
voltage drop over
circuit between LN
I
line
= 15 mA
I
line
= 100 mA
I
CC
supply current
V
CC
= 2.8 V
V
CC
supply voltage
available for
peripheral circuitry
MUTE = HIGH I
p
= 0 mA
MUTE = LOW I
p
= 1.2 mA
MUTE = LOW I
p
= 0 mA
G
v
MIC
voltage gain MIC+
or MIC
to LN
I
line
= 100 mA; R7 = 68 k
G
v
DTMF
voltage gain from
DTMF to LN
V
LN(rms)
output voltage
(RMS value)
G
v
RA
voltage gain from
IR to QR
I
line
= 100 mA; R
L
= 300
V
o(rms)
output
voltage
(RMS value)
R4 = 100 k
; I
line
=15 mA;
I
p
=0 mA R
L
= 150
R
L
= 450
CHARACTERISTICS
CONDITIONS
MIN.
TYP.
MAX.
UNIT
MIC inputs open-circuit
3.55
4.9
4.0
5.7
0.9
4.25
6.5
1.35
V
V
mA
I
line
= 15 mA;
MUTE = HIGH I
p
= 1.2 mA
1.9
2.5
2.2
2.5
50.5
44.0
24.0
2.7
3.4
2.7
3.4
52.0
45.5
25.5
3.5
3.8
4.5
3.8
54.5
47.0
27.0
V
V
V
V
dB
dB
dB
I
line
= 15 mA; R7 = 68 k
I
line
= 15 mA; R7 = 68 k
THD = 10% I
line
= 15 mA
1.7
2.3
V
I
line
= 15 mA; R
L
= 300
29.5]
24.5
31
26
32.5
27.5
dB
dB
THD = 2%; sine wave drive;
0.22
0.3
0.33
0.48
V
V
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