L3037QN STMicroelectronics, L3037QN Datasheet - Page 14

• Manufacturer Part Number: L3037QN
• Manufacturer: STMicroelectronics

Specifications of L3037QN

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Longitudinal Balanced: 70
• Operating Temp Range: -40C to 85C
• Package Type: PQFP
• Operating Temperature Classification: Industrial
• Pin Count: 44
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

L3037
ELECTRICAL CHARACTERISTICS (continued)
DETECTORS
POWER DISSIPATION ON L3037 at V
POWER DISSIPATION ON QEXT AT V
SUPPLY CURRENTS
14/22
OFF HOOK DETECTOR
GROUND KEY DETECTOR
ANALOG SUPPLY
BATTERY SUPPLY
Symbol
Hys
P
P
I
I
I
I
I
I
I
I
Td
I
I
I
I
P
P
P
P
P
det
det
CC
CC
CC
bat
bat
bat
SS
SS
SS
LL
dq
dq
d
d
d
d
d
Off-hook Current Threshold
Off-hook Current Threshold
Off-hook / On-hook Hysteresys
Dialling Distortion
Ground Key Current Threshold
I
Power Down
Stand-by
Active, R
I
I
I
Active, Rfeed = 400
I
I
I
Active
Active, R
I
I
I
Active, Rfeed = 400
I
I
I
V
V
V
V
V
V
Power down
Stand-by
Active
LL
LIM
LIM
LIM
LIM
LIM
LIM
LIM
LIM
LIM
LIM
LIM
LIM
CC
SS
CC
SS
CC
SS
= (I
= 25mA
= 44mA
= 55mA
= 25mA
= 44mA
= 55mA
= 25mA
= 44mA
= 55mA
= 25mA
= 44mA
= 55mA
B
- I
feed
feed
A)
Parameter
/ 2
= 800
= 800
BAT
bat
= 48V
= 48V
stand by state
active state
Both stand by and active state
active state
TIP to RING to GND
or RING to GND
any line lenght
2-wire open
R
2-wire open
R
R
R
2-wire open
R
R
R
Ground Key
R
R
R
R
R
R
Power Down
Power Down
Stand-by / A open
Stand-by / A open
Active
Active
a or b to BGND
2-wire open
2-wire open
2-wire R
L
L
L
L
L
L
L
L
L
L
L
L
L
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
= 0 to 2K
Test Condition
L
= 400
Min.
-1
9
9
1
Typ.
1500
155
155
120
1.5
0.1
1.5
1.4
2.3
95
4
4
6
3
I
LOOP
Max.
1730
2660
1280
1080
1610
1670
136
250
224
710
224
510
870
880
810
420
500
1.6
2.2
0.5
12
12
38
10
1
5
3
6
2
3
+5
Unit
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mW
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
ms
A