L3037 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L3037' PDF : 22 Pages View PDF
L3037
ELECTRICAL CHARACTERISTICS (continued)
Symbol
DETECTORS
Parameter
Test Condition
OFF HOOK DETECTOR
Idet
Off-hook Current Threshold
stand by state
Idet
Off-hook Current Threshold
active state
Hys
Off-hook / On-hook Hysteresys Both stand by and active state
Td
Dialling Distortion
active state
GROUND KEY DETECTOR
ILL
Ground Key Current Threshold TIP to RING to GND
ILL = (IB - IA) / 2
or RING to GND
POWER DISSIPATION ON L3037 at VBAT = 48V
Pd
Power Down
any line lenght
Pd
Stand-by
Pd
Active, Rfeed = 800Ω
ILIM = 25mA
ILIM = 44mA
ILIM = 55mA
Pd
Active, Rfeed = 400Ω
ILIM = 25mA
ILIM = 44mA
ILIM = 55mA
Pd
Active
2-wire open
RL = 0 to 2K
2-wire open
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
2-wire open
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
Ground Key
POWER DISSIPATION ON QEXT AT Vbat = 48V
Pdq
Active, Rfeed = 800Ω
ILIM = 25mA
ILIM = 44mA
ILIM = 55mA
Pdq
Active, Rfeed = 400Ω
ILIM = 25mA
ILIM = 44mA
ILIM = 55mA
SUPPLY CURRENTS
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
RL = 0 to 2K
ANALOG SUPPLY
ICC
VCC
ISS
VSS
ICC
VCC
ISS
VSS
ICC
VCC
ISS
VSS
BATTERY SUPPLY
Ibat
Power down
Ibat
Stand-by
Ibat
Active
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 RL = 400Ω
Min.
9
9
1
-1
Typ. Max. Unit
12
mA
12
mA
1.6 mA
1
ms
4
mA
38
mW
95
136 mW
250 mW
155 224 mW
710 mW
1730 mW
2660 mW
155 224 mW
510 mW
870 mW
1280 mW
1500
mW
880 mW
810 mW
420 mW
1080 mW
1610 mW
1670 mW
1.5
2.2
mA
0.1
0.5
mA
4
5
mA
1.5
3
mA
6
10
mA
3
6
mA
120 500
µA
1.4
2
mA
2.3
3
mA
ILOOP+5 mA
14/22
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