PBL 385 70
Electrical Characteristics
At TAmb = + 25° C. No cable and line rectifier unless otherwise specified.
Ref.
fig.
Parameter
Conditions
Min
Typ
Max
Unit
Line voltage, VL
2
2
IL = 15 mA
IL = 100 mA
3.3
11
3.7
13
4.1
15
V
V
Transmitting gain, note 1
20 •10 log (V2 / V3); 1 kHz
RL = 0
RL = 400 Ω
RL = 900 Ω - 2.2 kΩ
1 kHz, RL = 0 to 900 Ω
2
2
2
2
41
43.5
46
3
43
45.5
48
5
45
47.5
50
7
dB
dB
dB
dB
Transmitting range of
regulation
Transmitting frequency
response
Transmitter input impedance
pin 3
2
2
2
2
200 Hz to 3.4 kHz
1 kHz
-1
1
dB
kΩ
Vp
13.5
17
1.5
3
20.5
Transmitter dynamic output
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
200 Hz - 3.4 kHz
Transmitter max output
Vp
IL = 0 - 100 mA, V3 = 0 - 1 V
Psoph-weighting, Rel 1 Vrms, RL = 0
1 kHz
Transmitter output noise
Microphone input impedance
pin 12 (14),13 (15)
2
2
-75
1.7(//2.7)
note 3
dB Psoph
kΩ
Receiving gain, note 1
20 • 10 log (V4 / V1); 1 kHz
RL = 0 Ω
RL = 400 Ω
RL = 900 Ω - 2.2 kΩ
1 kHz, RL = 0 to 900 Ω
200 Hz to 3.4 kHz
2
2
2
2
2
-18.5
-16
-13.5
3
-16.5
-14
-11.5
5
-14.5
-12
-9.5
7
dB
dB
dB
dB
dB
Receiving range of regulation
Receiving frequency response
-1
1
Receiver input impedance
Receiver output impedance
2
2
1kHz
1 kHz,
30.4
38
45.6
kΩ
Ω
3(+310), note 3
Receiver dynamic output
note 2
Receiver max output
2
200 Hz - 3.4 kHz
0.5
Vp
Vp
≤ 2% distortion, IL = 20 - 100 mA
Measured with line rectifier
200 Hz - 3.4 kHz, IL = 0 - 100 mA,
V1= 0 - 50 V
A-weighting, Rel 1Vrms, with cable
0 - 5 km, Ø = 0.5 mm, 0 - 3 km,
Ø = 0.4 mm
3
0.9
-85
0.3
Receiver output noise
2
dB A
V
Mute input voltage
at mute (active low)
DC-supply voltage
2
2
IL = 20 - 100 mA
IDC = 0 mA
IDC = 2 mA
2.1
1.95
2
2.35
2.2
2.6
2.6
V
V
mA
µA
DC-supply current, pin 8.
DC-output pin 8 input
2
4
VDC = 2.35 V
0.1
leakage current (no supply)
DTMF transmitting gain
DTMF input impedance
2
2
VM = 0.3 V, 1 kHz
1 kHz
24.5
20
26.5
25
28.5
30
dB
kΩ
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 ]
