EM91865A EMC [ELAN Microelectronics Corp], EM91865A Datasheet - Page 10

• Manufacturer Part Number: EM91865A
• Description: 13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION
• Manufacturer: EMC [ELAN Microelectronics Corp]

DTMF CHARACTERISTICS
ACTUAL FREQUENCY OUTPUT
ELECTRICAL CHARACTERISTIC
* This specification are subject to be changed without notice.
(V
Keyin or release debounce
Pulse rate
Make/Break ratio
Inter-digit pause time
Pause time
Pulse to tone time
Flash break time
Flash Pause time
Tone duration
One key redial Break time
One key redial Pause time
Scan wave width
Scan wave period
Key board scan Period
Auto Insert Pause
Pre-Mute time
Twist
DC level
Dist
Ac level
Sink current
Load resistor
Minimum tone duration
Minimum intertone pause
DD
-V
Symbol
Parameter
SS
=3.0V,Fosc=3.58 MHz)
F1
F2
F3
F4
F5
F6
F7
Standard (Hz )
1209
1336
1477
697
770
852
941
(V
SS
Sym.
Tdb
PSR
MBR
Tidp
Tp
Tpt
Tf
Tfp
Td
Trb
Trb
Tsw
Tsp
Tksp
Taip
Tpm
= 0V , V
Twist=20 LOG(COL/ROW)
Vdc , Vdd=2.0V~5.5V
Distortion
Vdtmf=0.5V
Dist<-23dB
Row group
Td ( redial )
Titp ( redial )
13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL
( fosc =3.579545 Hz )
Description
DD
Min.
Output ( Hz )
0
= 3V , Topr = 0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1216
1332
1472
699
766
848
948
40:60
33:66
Typ.
1/32
0.25
2.25
600
600
800
300
100
3.6
1.2
18
10
90
1
5
-
o
C to 70
3100
Max. Unit
AND VOLUME CONTROL FUNCTION
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Deviation ( % )
o
C)
0.55
ms
pps
%
ms
S
mS
mS
mS
S
S
mS
mS
mS
mS
mS
130
Min.
0.2
+0.28
+0.74
+0.57
-0.52
-0.47
-0.30
-0.34
1
5
-
-
-
K2 pin=NR
K2 pin=R-Vss
F1 key
F2 key
F3 key
Typ.
155
-30
90
90
2
-
-
-
Condition
Max.
180
-23
0.7
3
-
-
-
-
4.28.1999
EM91865
mVrms
Unit
Vdd
mA
K
dB
dB
ms
ms
10