u3760mb-n ATMEL Corporation, u3760mb-n Datasheet - Page 14

• Manufacturer Part Number: u3760mb-n
• Description: Low-voltage Standard Telephone Circuit
• Manufacturer: ATMEL Corporation

Absolute Maximum Ratings
Electrical Characteristics Speech Circuit
Reference point Pin GND, f = 1000 Hz, 0 dBm = 775 mV
U3760MB-N
Line current
DC line voltage
Junction temperature
Ambient temperature
Storage temperature
Total power dissipation, T
Junction ambient
Line voltage
Transmit and sidetone
Input resistance
Gain
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
Line-loss compensation
Receiving noise at ear-
phone weighted psophome-
trially
Gain change when muted
Output voltage push-pull
Supply voltage (for internal use only)
Output voltage
14 (20)
Parameters
Parameters
amb
= 60 C
I
I
I
I
R
I
R
I
I
Single tone, I
I
P
S5 = closed
IL
I
I
I
I
100
I
L
L
L
L
L
L
L
L
L
L
L
L
L
PRE
i
AGC
y
= 5 mA
= 73 mA
y
y
= 20 mA
= 30 mA
= 20 mA, S5 = open
> 20 mA, G
= 20 mA, S5 = closed
= 73 mA
= 73 mA
y
w
Test Conditions / Pin
W
20 mA
= P
20 mA
20 mA, Z
20 mA dialing mode
Preliminary Information
20 mA
= 12 k
in series
HLG
SSO44
SDIP40
SSO44
SDIP40
W
L
– P
, I
S
w
ear
= 48dB
L
LLG,
20 mA
= 68 nF,
= 73 mA
rms,
R
DC
Symbol
V
V
G
P
Symbol
D
G
D
RECO
G
= 39
V
V
V
R
G
DD 1
R
n
PRE
T
STA
n
G
RM
T
P
G
V
o
L
L
L
R
i
I
T
amb
thJA
i
s
stg
tot
R
L
s
L
j
/ 1 W, T
Min.
– 4.8
– 4.7
46.8
1.2
1.3
0.8
2.3
45
10
–8
24
1
3
amb
– 55 to + 150
– 25 to + 75
= 25 C, unless otherwise specified
– 77.5
Value
Typ.
47.8
140
125
0.9
1.3
4.0
4.5
6.4
0.9
– 6
14
70
50
80
–6
15
29
Rev. A1, 31-May-99
Max.
48.8
– 72
– 71
120
1.5
6.3
– 7
– 7
20
–4
34
3
5
Unit
k/W
mA
dBmp
V
W
V
dBm
dBm
dBm
Unit
C
C
C
k
dB
dB
dB
dB
dB
dB
dB
RMS
V
V
V
V
V