Parameter Symbol Condition min typ max
■ Electrical Characteristics (Ta=25˚C)
G
V
(REC)
Open between the Pins19 and 20. Measure the
output between the Pins22 and 23 when a signal (–55dBm) is input to the Pin18.
Receiver distortion factor
THD
(REC)
%1
Open between the Pins19 and 20. Measure the output distortion factor between the Pins 22 and 23
when a signal
(–55dBm) is input to the Pin18.
Receiver maximum output voltage
V
O
(REC)
dBm+3
D Automatic pad
AP
(REC)
dB
Input a signal (–45dBm) to the Pin18 and measure an output change between the Pins22 and
23 when I
L
changes from 80mA to 30mA.
MUTE
(REC)
Input a signal
(–45dBm)
to the Pin18 and
measure an output change between the Pins
22 and 23 when the Pin12 changes from no
microphone input signal to –40dBm.
dB
Input a signal
(–45dBm)
to the Pin18 and
measure an output change between the Pins
22 and 23 when the Pin12 is set from H to L.
Receiver D digital VR
DVR
dBm–50
Measure the output between the Pins22 and
23 when there is no signal at the Pin18.
–3
Receiver noise output
V
no
(REC)
dB42.5
Open bitween the Pins3 and 6. Measure
the output between the Pins28 and 1 when
a signal (–45dBm) is input to the Pin12.
Transmitter gain
G
V
(SEND)
%
Transmitter distortion factor
THD
(SEND)
dBm5
Open between the Pins3 and 6. Measure the
output distortion factor between the Pins28 and 1
when a signal
(–45dBm) is input to the Pin12.
Transmitter maximum transmission level
V
O
(SEND)
dB–3 –1.5
–60
29.5
45
5
–1.5
5
8
–45
–6
2
40
Receiver gain
53 dB50.548
0
–6
D Receiver noise prevention
dB–5 –3–7
4
Transmitter D automatic pad
AP
(SEND)
Input a signal (–35dBm) to the Pin12 and
measure an output change between the Pins
28 and 1 when I
L
changes from 80mA.
dBm–65
Measure the output between the Pins28 and
1 when there is no signal at the Pin18.
Transmitter noise prevention
V
no
(SEND)
dB26.5
HOLD TONE gain
G
V
(HOLD)
dB41.5
Ground the Pin24. Input a signal
(–30dBm)
to the Pin17 and measure the
output change between the Pins 28 and 1.
TOUCH TONE gain
G
V
(TOUCH)
%1
Ground a signal (–45dBm) to
the Pin16 and measure the output between the Pins28 and 1.
3
44
6
1.5
39
23.5
TOUCH TONE distortion factor
THD
(TOUCH)
Ground the Pin14. Input a signal (–45dBm)
to the Pin16 and measure the output distortion factor between the Pins 28 and 1.
Unit
Input a signal to the Pin18 and measure
the output between the Pins22 and 23 at
an output distortion factor of 5%.
Input a signal to the Pin12 and measure
the output between the Pins28 and 1 at
an output distortion factor of 5%.
*
IL=30mA and Freq=1kHz unless otherwise specified.