PBL 385 70
Electrical Characteristics
At T
Amb
= + 25° C. No cable and line rectifier unless otherwise specified.
Parameter
Ref.
fig.
Conditions
Min
Typ
Max
Unit
Line voltage, V
L
Transmitting gain, note 1
2
2
2
2
2
2
2
2
2
2
2
2
Transmitting range of
regulation
Transmitting frequency
response
Transmitter input impedance
pin 3
Transmitter dynamic output
Transmitter max output
Transmitter output noise
Microphone input impedance
pin 12 (14),13 (15)
Receiving gain, note 1
I
L
= 15 mA
I
L
= 100 mA
20 •
10
log (V
2
/ V
3
); 1 kHz
R
L
= 0
R
L
= 400
Ω
R
L
= 900
Ω
- 2.2 kΩ
1 kHz, R
L
= 0 to 900
Ω
200 Hz to 3.4 kHz
1 kHz
200 Hz - 3.4 kHz
≤
2% distortion, I
L
= 20 - 100 mA
200 Hz - 3.4 kHz
I
L
= 0 - 100 mA, V
3
= 0 - 1 V
Psoph-weighting, Rel 1 V
rms
, R
L
= 0
1 kHz
20 •
10
log (V
4
/ V
1
); 1 kHz
R
L
= 0
Ω
R
L
= 400
Ω
R
L
= 900
Ω
- 2.2 kΩ
1 kHz, R
L
= 0 to 900
Ω
200 Hz to 3.4 kHz
1kHz
1 kHz,
200 Hz - 3.4 kHz
≤
2% distortion, I
L
= 20 - 100 mA
Measured with line rectifier
200 Hz - 3.4 kHz, I
L
= 0 - 100 mA,
V
1
= 0 - 50 V
A-weighting, Rel 1V
rms
, with cable
0 - 5 km, Ø = 0.5 mm, 0 - 3 km,
Ø = 0.4 mm
3.3
11
41
43.5
46
3
-1
13.5
3.7
13
43
45.5
48
5
4.1
15
45
47.5
50
7
1
V
V
dB
dB
dB
dB
dB
kΩ
V
p
V
p
dB
Psoph
kΩ
17
1.5
3
-75
1.7(//2.7)
note 3
20.5
Receiving range of regulation
Receiving frequency response
Receiver input impedance
Receiver output impedance
Receiver dynamic output
note 2
Receiver max output
2
2
2
2
2
2
2
2
3
-18.5
-16
-13.5
3
-1
30.4
-14.5
-12
-9.5
7
1
38
45.6
3(+310), note 3
0.5
0.9
-16.5
-14
-11.5
5
dB
dB
dB
dB
dB
kΩ
Ω
V
p
V
p
Receiver output noise
2
-85
dB
A
Mute input voltage
at mute (active low)
DC-supply voltage
2
2
I
L
= 20 - 100 mA
I
DC
= 0 mA
I
DC
= 2 mA
V
DC
= 2.35 V
V
M
= 0.3 V, 1 kHz
1 kHz
24.5
20
0.3
V
DC-supply current, pin 8.
DC-output pin 8 input
leakage current (no supply)
DTMF transmitting gain
DTMF input impedance
2
4
2
2
2.1
1.95
2
2.35
2.2
0.1
26.5
25
2.6
2.6
V
V
mA
µA
dB
kΩ
28.5
30
Notes
1. Adjustable to both higher and lower values with external components.
2. The dynamic output can be doubled, see applications information.
3. External resistor in the test set up.
3
ERICSSON [ ERICSSON ]
