SA2532P Datasheet, PDF (17/21 Pages) Sames – ONE MEMORY SINGLE CHIP TELEPHONE

SA2532P
AC Characteristics (contd) (I_LINE = 20mA; f=800Hz unless otherwise specified)
Symbol
Z_IN
V_{IN RI}
ST
Parameter
Input Impedance
(RI)
Input Voltage
Range(RI)
Sidetone
Conditions
Test Circuit Fig.5
Min
Typ
Max
8
2
A_ST
V_{IN ST}
Z_IN
t_D
t_{HS_L}
t_{HS_H}
Sidetone
Cancellation
Input Voltage
Range (STB)
Input Impedance
(STB)
Keyboard
Key Debounce
Time
HS Input
Low to High
Debounce
High to Low
Debounce
V_RI ≤0.5 V_RMS
Going off-hook
Line breaks/on-hook
26
2
80
15
15
240
∆F
V_MF
V_L-H
THD
t_TD
t_ITP
t_TR
t_TF
DTMF
Frequency
deviation
MF Tone
Level(Low group)
Preemphasis Low
to High
Distortion
Tone Duration
Inter Tone Pause
Tone Rise Time
Tone Fall Time
Note 5
Note 3
Note 1
Note 1
Note 2
Note 2
1.2
-9.5
-8
-6.5
2.0
2.6
3.0
-30
80
82.3
85
80
82.3
85
5
5
LD
t_DR
Dial Rate
tolerance
t_M/R
Make/Break
±5%, MODE=low
Period
±5%, MODE=high
t_PDP
Pre-Digit Pause
t_IDP
Inter Digit Pause
t_MO
Mute Overhang
t_FD1
Flash Duration 1
t_FD2
Flash Duration 2
t_PFP
Post Flash Pause
10
5
40/60
33/66
35
800
840
880
156
100
102
270
276
274
Units
kΩ
V_PEAK
dB
V_PEAK
kΩ
ms
ms
ms
%
dB
dB
dBr
ms
ms
ms
ms
pps
%
ms
ms
ms
ms
ms
ms
ms
ms.
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