SC91710AS SILAN [Silan Microelectronics Joint-stock], SC91710AS Datasheet - Page 4

• Manufacturer Part Number: SC91710AS
• Description: T/P SWITCHABLE DIALER WITH REDIAL HANDFREE FUNCTION
• Manufacturer: SILAN [Silan Microelectronics Joint-stock]

(Continued)
Inter-digit Pause
Tone Mode
Tone
Output Pin
DTMF
Signal
Minimum tone duration Time
Minimum Intertone Pause Time
Note: 1. Vn: Input voltage of any keyboard scanning pin (Row group, Column group)
ACTUAL FREQUENCY OUTPUT
PIN CONFIGURATION
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Keyboard Scanning Pin
2 Distortion (dB) = 20log V
R1
R2
R3
R4
C1
C2
C3
Characteristics
V
L
,V
DC Level
Sink Current
AC level
Load Resistor
Pre-emphasis
Distortion(note 2)
H
: Row group and Column group signal , V1 V2…
f1
f2
f3
f4
f5
f6
f7
Symbol
V
1
twist
Dist.
t
V
t
t
2
IDP
ITP
dtmf
R
TD
I
+V
dc
tl
I
(f
Standard(Hz)
2
2
osc
+V
Pulse rate=10pps
Pulse rate=20pps
V
V
Row group R
Dist. -23dB
V
Column-Row group
R
Auto redial
Auto redial
=3.579545MHz)
3
1209
1336
1477
DD
dtmf
DD
697
770
852
941
L
2
+… Vn
=10K
=2.0V~5.5V
=2.0~5.5 V,
=0.5V
Conditions
2
)
1/2
/ (V
L
=10K
L
2
+V
H
2
Vn: Harmonic signal (BW = 300Hz~3500Hz)
)
1/2
Output
1216
1332
1472
699
766
848
948
0.5V
Min.
130
0.2
10
--
--
--
--
--
1
DD
98/83
98/83
Typ.
800
500
155
-30
--
--
--
2
REV:2.2
SC91710A/B
Deviation(%)
0.7V
Max.
170
-23
--
--
--
--
--
--
3
+0.28
+0.74
+0.57
-0.52
-0.47
-0.30
-0.34
DD
Page 4 of 18
2007.03.07
mV
Unit
mA
K
ms
dB
dB
ms
ms
V
rms