PBL 3726/18A
Electrical Characteristics
At TAmb = + 25° C. No cable and no 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
Receiving gain, note 1
2
200 Hz to 3.4 kHz
-1
1
dB
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
1 kHz
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
kΩ
Receiving range of regulation
Receiving frequency response 2
Microphone input impedance
pin 12 (14),13 (15)
Transmitter input impedance
pin 3
-1
1
2
2
2
2
1.7(//2.7 )
note 3
1 kHz
13.5
17
1.5
3
20.5
kΩ
Vp
Vp
Transmitter dynamic output
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
200 Hz - 3.4 kHz
Transmitter max output
IL = 0 - 100 mA, V3 = 0 - 1 V
1 kHz,
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
Measured with line rectifier
Receiver output impedance
Receiver dynamic output
note 2
2
2
3(+310)note 3
0.5
Ω
Vp
Receiver max output
3
0.9
Vp
200 Hz - 3.4 kHz, IL = 0 - 100 mA, V1= 0 - 50 V
Psoph-weighting, Rel 1 Vrms, RL = 0
A-weighting, Rel 1Vrms, with cable
Transmitter output noise
Receiver output noise
2
2
-75
-85
dB Psoph
dB A
0 - 5 km, Ø = 0.5 mm, 0 - 3 km, Ø = 0.4 mm
Mute input voltage
at mute (active low)
DC-supply voltage
2
2
0.3
V
IL = 10 - 100 mA
I
I
DC = 0 mA
DC = 2 mA
2.1
1.95
2
2.35
2.2
2.6
2.45
V
V
mA
µA
DC-supply current, pin 8.
DC-output pin 8 input
2
4
V
DC = 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 ]
