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ELECTRICAL CHARACTERISTICS
(T
amb
= 25
°
C; f = 1kHz; R
E
= 20k
; all resistance are specified at
1%, all capacitance at 2%)
Symbol
DC CHARACTERISTICS
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Fig.
V
L
Line Voltage
I
L
= 15mA
I
L
= 25mA
I
L
= 60mA
ICC = 0.6mA I
L
= 8.3mA
I
CC
= 2.1mA I
L
= 25mA
VRAM = 3.5V
VRAM = 3.5V
-
5.75
12.75
2
3.15
-
-
4.4
6.15
13.15
2.5
3.4
-
-
4.9
6.55
13.55
-
3.65
500
300
V
V
V
V
V
μ
A
nA
1
1
1
1
1
V
CC
Stabilized Voltage Supply
I
RAM
I
RAM
Operative
STAND-BY
RECEPTION
GR1
GR2
AGCR
Receiving Gain
Receiving Gain
Delta Gain Receive
I
L
= 25mA V
L
= 0.3Vrms
I
L
= 60mA (see AGCR)
I
L
= 60mA (to be applied only if
GR2 is not respected)
I
L
= 30mA; V
out
= 5Vpp
I
L
= 60mA; V
out
= 5Vpp
I
L
= 25mA; V
out
= 50mVrms
I
L
= 25mA / 60mA
I
L
= 25mA
V
MI
= 2mVrms
I
L
= 60mA
10
2.5
6.3
11
4
7
12
5.5
7.7
dB
dB
dB
2
2
2
R
X
Distortion
-
-
0.6
0.6
65
-
30
16
3
3
85
500
-
-
%
%
mV
dB
dB
2
2
2
2
1
1
Z
out
R
X
Receiver
Offset
Sidetone
45
-500
-
-
TRANSMISSION
GS1
GS2
AGCS
Sending GAIN
Sending GAIN
Delta GAIN sending
I
L
= 25mA V
mic
= 2mVrms
I
L
= 60mA (see SGCS)
I
L
= 60mA (to be applied only if
GS2 is not respected)
I
L
= 25mA; V
cm
= 50mVrms
I
L
= 36mA V
mi
= 5mVrms
V
mi
= 5mVrms + 10dB
V
mi
= 5mVrms + 20dB
I
L
= 25mA V
mi
= 2mVrms
I
L
= 30mA
I
L
= 25mA / 60mA
I
L
= 36mA
V
mi
c= 5mVrms+10dB
IL = 25mA
V
mic
= 1mVrms/0.15mVrms
I
L
= 25mA
I
L
= 60mA
47.5
40.4
5.9
48.5
41.9
6.6
49.5
43.4
7.3
dB
dB
dB
1
1
1
CMRR
T
x
Common Mode Rejection
Distortion
-
-
-
-
75
-
-
-
-
120
-
3
5
7
-
-
dB
%
%
%
dB
K
mV
Vpp
1
1
1
1
1
1
1
1
AS
Z
in
T
x
GAIN Attenuation
Microphone Impedance
Offset Pin 25 (DTMF - T
x
)
Tx Output Voltage Swing
65
85
- 100
3.2
+ 100
4.4
T
x swing
3.8
T
x squelch
Dynamic Range
7.5
9
10.5
dB
1
Z
LINE
Matching
580
630
680
2
NOISE
T
x
R
x
Noise
Noise
I
L
= 25mA (psophometric)
I
L
= 25mA (psophometric)
-
-
- 78
200
-
-
dBmp
μ
Vp
1
2
L3913
4/14
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