EASY SOUND - EM56000ASERIES
TINYCONTROLLER-BASED
DUALCHANNELSPEECHSYNTHESIZER
Parameter
Sym.
Min.
Typ.
Max. Unit
Condition
Sink current of P2
(afterKEYB)
IOS1
2.3
3.5
-
mA
VDD=3V, VO=0.4V
Sink current of P2
(before KEYB)
IOS2
-
3.0
10
µA
VDD=3V, VO=0.4V
Input current of P1
Output current of VO1, VO2
IIH
-
3.0
5.0
10
µA
VDD=3V
IVO
4.0
6.0
mA
VDD=3V, VO=0.7V,
two channel full scale output
VDD=2.4V~ 5.5V
Oscillation resistor
Oscillation frequency
Oscillation frequency
deviation
ROSC
FOSC
∆FOSC
FOSC
-
470
1.0
0
-
KΩ
0.9
-10
1.1
10
MHz VDD=2.4V~ 5.5V
VDD=2.4V~ 5.5V
%
APPLICATION CIRCUIT
In the following application circuits:
*1 : For heavy loading application, adding an electrolytic capacitor between Vcc and Ground is recommanded.
The recommanded value for button cell application is 10µF.
*2 : The recommanded value for button cell application is 750Ω or less.
10-key Application Circuit For EM56001A
VCC
TR1
TR2
TR3
TR4
TR9
TR7
TR8
TR5
TR6
*1
VCC
TR10
9
VDD
OSC
10
3
4
P2.2
P2.3
5
6
7
8
P3.0
P3.1
P3.2
P3.3
12
11
TEST
VSS
VCC
13
VO1
EM56001A
NPN
*2
Rb
* This specification are subject to be changed without notice.
10.15.2001
3
ELAN [ ELAN MICROELECTRONICS CORP ]
