U3761MB-AFNG3 TEMIC [TEMIC Semiconductors], U3761MB-AFNG3 Datasheet - Page 17

• Manufacturer Part Number: U3761MB-AFNG3
• Description: Low Voltage Standard Telephone Circuit with 13 Memories
• Manufacturer: TEMIC [TEMIC Semiconductors]

TELEFUNKEN Semiconductors
Rev. A2, 23-Apr-97
Electrical Characteristics Speech Circuit
Reference point Pin GND, f = 1000 Hz, 0 dBm = 775 mV
Line voltage
Transmit and sidetone
Input resistance
Gain
Gain change with current
Gain deviation
Line-loss compensation
Noise at line weighted
psophometrically
Sidetone reduction
DTMF amplifier
Volume range d < 5%
DTMF output level low
frequency group
Pre-emphasis between high
and low level frequency
group
Receiving amplifier
Gain
Gain change with current
Gain deviation
Line-loss compensation
Receiving noise at
earphone weighted
psophometrially
Gain change when muted
Output voltage push-pull
Ear protection differential
Supply voltage (for internal use only)
Output voltage
Distortion at line
Maximum output voltage
swing at line
Mute suppression transmit
with privacy function
VL = 0.775 Vrms
Parameters
I
I
I
I
R
I
I
R
T
I
R
I
I
Single tone, I
I
P
S5 = closed
IL
I
R
T
I
I
I
I
I
100
I
Z
I
IL = 20 mA, S5 = open
IL = 20 mA,
Vmic = 50 mVoff
IL = 20 mA
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
amb
PRE
amb
ear
i
AGC
AGC
AGC
y
= 5 mA
= 73 mA
y
y
= 20 mA
= 30 mA
= 20 mA, S5 = open
= 20 to 60 mA
= 20 mA
> 20 mA, G
= 20 mA, S5 = closed
= 20 to 60 mA
= 20 mA
= 73 mA
= 73 mA
= 40 mA, V
y
w
Test Conditions / Pin
W
= 68 nF + 100
20 mA
= –10 to +60 C
= P
= –10 to +60 C
Preliminary Information
20 mA
20 mA, Z
20 mA dialing mode
20 mA
= infinite
= 12 k
= infinite
in series
HLG
W
L
– P
S
gen
, I
w
ear
= 48dB
L
LLG,
= 4 V
20 mA
= 68 nF,
= 73 mA
W
rms
rms,
,
R
DC
Symbol
G
V
V
G
P
D
D
D
G
V
D
D
D
V
SPRIV
RECO
G
L max
= 39
V
V
V
G
R
n
PRE
STA
n
d
G
G
G
RM
G
G
DD
G
ear
o
L
L
L
R
i
t
i
s
S
S
R
R
R
s
/ 1 W, T
Min.
– 4.8
– 4.7
46.8
–0.5
–0.5
–0.5
–0.3
1.2
1.3
0.8
1.3
2.3
45
10
–8
24
60
1
3
amb
= 25 C, unless otherwise specified
– 77.5
Typ.
47.8
4.0
4.5
6.4
0.9
1.6
3.4
80
–6
15
– 6
29
U3761MB
Max.
48.8
– 72
– 71
120
1.5
0.5
0.5
0.5
0.7
2.5
6.3
– 7
– 7
20
–4
34
3
5
2
4
dBmp
V
dBm
dBm
dBm
V
Unit
17 (23)
Vpp
k
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
RMS
V
V
V
V
V
%
rms