參數資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數: 123/133頁
文件大小: 803K
代理商: HD40A4639R
HD404639R Series
123
DTMF Characteristics (HD404638R, HD404639R, HD40A4638R, HD40A4639R: V
CC
= 2.7 to 6.0 V,
GND = 0 V, T
a
= –20 to +75
°
C; HD407A4639R: V
CC
= 2.7 to 5.5 V, GND = 0 V, T
a
= –20 to +75
°
C,
unless otherwise specified)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
Tone output
voltage (1)
V
OR
TONER
500
660
mV
rms
VT
– GND = 2.0 V,
R
L
= 100 k
mV
rms
VT
– GND = 2.0 V,
R
L
= 100 k
%
Short circuit between
TONER and TONEC
R
L
= 100 k
dB
Short circuit between
TONER and TONEC
R
L
= 100 k
1
Tone output
voltage (2)
V
OC
TONEC
520
690
1
Tone output
distortion
%DIS
3
7
2
Tone output
ratio
dB
CR
2.5
2
Notes: 400 kHz, 800 kHz, 2 MHz, 3.58 MHz, 4MHz, 7.16 MHz, or 8 MHz can be used as the operating
trequency (f
OSC
).
1. See figure 98.
2. See figure 99.
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