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SA2531B Datasheet(PDF) 19 Page - Sames

Part # SA2531B
Description  VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER
PDF  24 Pages
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Manufacturer  SAMES [Sames]
Direct Link  http://www.sames.co.za
Logo SAMES - Sames

SA2531B Datasheet(HTML) 19 Page - Sames

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SA2531 A/B/C/E/G/U
19/24
AC Characteristics (cont’d) (I
LINE = 15 mA;f=800Hz unless otherwise specified)
Symbol Parameter
Conditions
Min
Typ
Max Units
RX
Receive
Test Circuit Fig.5
A
RX
Receive Gain (RO1/RO2) Z
RL=600Ω
(Α/Β/Ε/F/J)
12
3
dB
Z
RL=1000Ω
(C/G/U)
0
(D)
6
∆A
RX/FVariation with Frequency
f=500 Hz to 3.4 kHz
±0.8
dB
THD
Distortion
V
RI ≤ 0.5V RMS
2%
V
AGC
SoftClipLevel
V
RI=1
V
PEAK
A
SCO
Soft Clip Overdrive
10
dB
t
ATTACT
Attact Time
V
RI>0.8V
3
0
µs/
6dB
t
DECAY Decay Time
20
ms/6dB
V
NO
Noise Output Voltage
-72
dBmp
V
FC
Unwanted Frequency
50 Hz...20 kHz
-60
dBm
Components
Z
IN
Input Impedance (RI)
8
k
Ω
V
IN
RI
InputVoltageRange(RI)
±2
V
PEAK
ST
Sidetone
Test Circuit Fig.5
A
ST
SidetoneCancellation
V
RI≤0.5VRMS
26
dB
V
IN
ST
Input Voltage Range (STB)
±2
V
PEAK
Z
IN
Input Impedance (STB)
80
k
Ω
Keyboard
t
D
Key Debounce Time
15
m
s
HS Input
t
HS-L
Low to High Debounce
Goingoff-hook
15
ms
t
HS-H
High to Low Debounce
Line breaks/on-hook
240
ms
DTMF
∆ F
Frequency deviation
Note5
1.2
%
V
MF
MF Tone Level(Low group) SA2531B/D/G/U
-12.5
-11
-9.5
dB
SA2531A/C/E/F/J
-9.5
-8
-6.5
dB
V
L-H
Preemphasis Low to High SA2531A/B/C/E/F/J/U
2.0
2.6
3.0
dB
V
L-H
Preemphasis Low to High SA2531D/G
2.0
2.6
3.2
dB



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