MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 98

• Manufacturer Part Number: MB90F654A
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

98
MB90650A Series
7. DTMF Electrical characteristics
Note : V
Output load
condition
DTMF output
offset voltage
(At signal output)
DTMF output
amplitude
(COL single tone)
DTMF output
amplitude
(ROW single tone)
COL/ROW level
difference
• Output level measurement circuit
Parameter
CC
(MB90652A/653A: V
=V
CC
(MB90F654A: V
1 = V
CC
Symbol
2
V
V
V
R
R
MFOR
MOF
MFC
MF
O
X0
X1
CC
CC
V
V
CC
SS
= 2.4 V to 3.6 V, V
= 2.2 V to 3.6 V, V
Machine clock
DTMF
T
f = 12 MHz
Condition
V
A
CC
= 25 C
= 3 V
R
O
SS
SS
30 k
Min
450
330
1.6
—
= DV
= DV
Low-pass filter
16MHz
48 dB / oct
SS
SS
Value
Typ
530
440
0.4
2.0
—
= 0.0 V, 2.4 V
= 0.0 V, 2.2 V
Max
600
500
2.4
—
—
Audio
Analizer
mV
mV
Unit
DVRH – DV
DVRH – DV
dB
V
P-P
P-P
To be specified with DTMF
pin pull-down resistor
When DTMF terminal is
opened
R
O
= 200 k
SS
SS
Output level
, T
, T
A
A
Remarks
= –40 C to +85 C)
= –40 C to +85 C)