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SA545 数据表(PDF) 3 Page - Sames

部件名 SA545
功能描述  PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY MEMORIES
PDF  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SAMES [Sames]
网页  http://www.sames.co.za
标志 SAMES - Sames

SA545 数据表(HTML) 3 Page - Sames

  SA545 Datasheet HTML 1Page - Sames SA545 Datasheet HTML 2Page - Sames SA545 Datasheet HTML 3Page - Sames SA545 Datasheet HTML 4Page - Sames SA545 Datasheet HTML 5Page - Sames SA545 Datasheet HTML 6Page - Sames SA545 Datasheet HTML 7Page - Sames SA545 Datasheet HTML 8Page - Sames SA545 Datasheet HTML 9Page - Sames Next Button
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background image
sames
SA545
3/18
Condition
Min
Typ
Max
Unit
Notes
Supply voltage:
on-hook
1,8
5,7
V
For memory retention
off-hook
2,4
5,7
V
Hookswitch input: on-hook
0,2 V
DD
off-hook
0,8 V
DD
Supply Current:
on-hook
SA54X53
<0.2
5
µA
V
DD = 2.5V
SA54X56
<0.2
1
µA
V
DD = 2.5V
SA54X59
<0.2
1
µA
V
DD = 3V
off-hook
1,5
µA
If MF OUT is low
MF tone sending
1,0
mA
LD impulsing
200
µA
Output High Voltage
2,2
V
I = -1mA
(MASK, MUTE and IMP Outputs)
Output Low Voltage
0,3
V
I = +1mA
(MASK, MUTE and IMP Outputs)
MF OUT d.c. Level During Tone Sending
0,9V
DD
V
MF OUT Output Resistance
3
K
Ω
'Key Pressed' Resistance
2
K
Ω
2,5V<V
DD<5,7V
'Key Not Pressed' Resistance
500
K
Ω
2,5V<V
DD<5,7V
Darlington Pair Current Gain
600
50,000
I
e=100µA,Vce=2V
DC ELECTRICAL CHARACTERISTICS
(V
DD = 2,5V at 25°C, unless otherwise specified)
AC ELECTRICAL CHARACTERISTICS
(V
DD = 2,5V at 25°C, unless otherwise specified)
Condition
Min
Typ
Max
Unit
Notes
Oscillating Frequency
560
kHz
Tone Output: Low Group
68
77
mVrms
No Load
High Group
97
109
mVrms
No Load
High-to-Low Group Amplitude Ratio
1,5
2
2,5
dB
at MF OUT
Total harmonic Distortion: 0-4KHz
1,5
%
0-10KHz
2,5
%
0-50KHz
5,0
%
0-200KHz
6,5
10
%



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