SA2532 Datasheet, PDF (16/22 Pages) Sames – VERSATILE SINGLE CHIP TELEPHONE

SA2532
AC Characteristics (cont’d) (I_LINE = 15 mA;f=800Hz unless otherwise specified)
Symbol Parameter
Conditions
Min Typ Max Units
RX
A_RX
∆A_RX/F
Receive
Test Circuit Fig.5
Receive Gain (RO1/RO2) Z_RL=600Ω
Z_RL=1000Ω
Variation with Frequency f=500 Hz to 3.4 kHz
1
2
3 dB
-0.2
±0.8
dB
THD
V_AGC
A
SCO
t_ATTACT
t_DECAY
V_NO
V_FC
Distortion
Soft Clip Level
Soft Clip Overdrive
Attact Time
Decay Time
Noise Output Voltage
Unwanted Frequency
Components
V_RI≤0.5V_RMS
V_RI=
V_RI>0.8V
50 Hz...20 kHz
2%
1
V_PEAK
10
dB
30
µs/6dB
20
ms/6dB
-72 dBmp
-60 dBm
Z_IN
V_{IN RI}
Input Impedance (RI)
Input Voltage Range(RI)
8
kΩ
±2
V_PEAK
ST
A_ST
V_{IN ST}
Z_IN
t
D
t_HS-L
t_HS-H
∆F
V_MF
Sidetone
Test Circuit Fig.5
Sidetone Cancellation
V_RI≤0.5V_RMS
Input Voltage Range (STB)
Input Impedance (STB)
Keyboard
Key Debounce Time
HS Input
Low to High Debounce
Going off-hook
High to Low Debounce Line breaks/on-hook
DTMF
Frequency deviation
Note 5
MF Tone Level(Low group) Optionally
V_L-H
THD
Preemphasis Low to High
Distortion
Note 3
26
±2
80
dB
V_PEAK
kΩ
15
ms
15
ms
240
ms
-.679
+.533 %
-12.5 -11 -9.5 dB
-9.5 -8 -6.5 dB
2.0 2.6 3.0 dB
-30 dBr
t_TD
Tone Duration
t_ITP
Inter Tone Pause
Note 1
80 82.3
80 82.3
85 ms
85 ms
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