參數(shù)資料
型號： LAG639
廠商： MITSUMI ELECTRIC
英文描述： Monolithic IC
中文描述： 單片集成電路
文件頁數(shù)： 3/8頁
文件大?。?/td> 257K
代理商： LAG639
MITSUMI
IC for Multifunction Telephones LAG639
Item
Symbol
Measurement
circuit
Measurement conditions
Min. Typ. Max. Units
Beep sound generator unit
Beep sound frequency
Beep off switching point
Fb
Ibsw
1
1
0.85
20
1.0
35
1.15
48
kHz
μA
Pin 9 input current
Pin 9 connected to GND through 4.7k
Amp output voltage
Pin 9 connected to GND through 47k
0.11
Beep sound output 1
Vob1
1
1.0
1.4
1.8
Vrms
Beep sound output 2
Watchdog timer unit
Vob2
1
0.16
0.22 Vrms
Timer time
Tt
1
cf. watchdog timer
waveform diagram
cf. watchdog timer
waveform diagram
T=beep sound period
0.8
1.0
1.2
S
Output pulse width
T
PW
1
0.45
(1/2T)
1.1
(1T)
mS
Output voltage while on
Leakage output current while off
Transmission circuit unit
Transmission output voltage
Transmission waveform symmetry
Reception sensitivity
Noise resistance
Input IMP
V
WON
I
WOFF
1
1
0.5
1
V
μA
Vto
Vtr
Vrs
Vrn
R
IN
3
1
1
1
1
3
Both pins 27 and 28
Vt1/Vt2
3.8
0.75
1.0
0.8
25
4.2
1
1.2
4.6
1.25
1.5
V
P
-
P
V
P
-
P
V
P
-
P
k
Level at which no errors are output
Both pins 7and 8
cf. transmit/receive
waveform diagrams
cf. transmit/receive
waveform diagrams
cf. transmit/receive
waveform diagrams
cf. transmit/receive
waveform diagrams
36
46
Transmission delay time
Td1
1
0.5
μS
Transmission delay time
Td2
1
0.4
μS
Transmission delay time
Td3
1
1.2
μS
Transmission delay time
Td4
1
1.5
μS
Reception output H voltage
Reception output L voltage
Transmission waveform LOSS 1
Transmission waveform LOSS 2
General logic unit characteristics
H level input voltage
L level input voltage
H level input current
L level input current
VroH
VroL
Vtloss1
Vtloss2
1
1
1
1
4
V
V
0.5
Vt=5V applied, power on
Vt=5V applied, power off
4.5
4.5
V
P
-
P
V
P
-
P
ViH
ViL
IiH
IiL
3
3
3
3
2.4
V
V
μA
μA
0.8
10
-
300
V
IN
=2.4V
V
IN
=0.4V
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