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HD6433636SW Datasheet(PDF) 325 Page - Renesas Technology Corp

Part # HD6433636SW
Description  8-Bit Microcomputer
PDF  418 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433636SW Datasheet(HTML) 325 Page - Renesas Technology Corp

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14.2.5
DTMF Characteristics
Table 14.7 lists the DTMF generator characteristics.
Table 14.7
DTMF Characteristics
V
CC = 2.2 V to 5.5 V, AVCC = 2.2 V to 5.5 V, VSS = AVSS = 0.0 V, Ta = –20 to +75˚C, unless
otherwise specified
Item
Symbol
Applicable
Pins
Min
Typ
Max
Unit
Test Condition
Notes
Reference level
supply voltage
VT
ref
VT
ref
2.2
—
V
CC + 0.3
V
DTMF output
voltage (row)
V
OR
TONED
550
723
—
mVrms VT
ref – GND = 2.2 V
R
L = 100 kΩ
Figure 14.8
1
DTMF output
voltage (column)
V
OC
TONED
567
760
—
mVrms VT
ref – GND = 2.2 V
R
L = 100 kΩ
Figure 14.8
1
DTMF output
distortion
%DISDT TONED
—
3
7
%
VT
ref – GND = 2.2 V
R
L = 100 kΩ
Figure 14.8
DTMF output
level
dB
CR
TONED
—
2.5
—
dB
VT
ref – GND = 2.2 V
R
L = 100 kΩ
Figure 14.8
Notes: 1. V
OR and VOC indicate the output voltage during single wave output.



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