L3037FN STMicroelectronics, L3037FN Datasheet - Page 2

• Manufacturer Part Number: L3037FN
• Manufacturer: STMicroelectronics

Specifications of L3037FN

• 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: PLCC
• Operating Temperature Classification: Industrial
• Pin Count: 44
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

L3037
L3037 PIN FUNCTIONALITY (PLCC44)
L3037 FUNCTIONAL DIAGRAM
2/22
32 to 36
10 to14
TTXIN
ODET
OGK
GST
ZAC
D94TL136
LIM
No.
RX
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
37
38
39
40
41
42
43
44
D0
D1
ZB
TX
1
2
3
4
5
6
7
8
9
1
1
SRING
BGND
VREG
TTXIN
AGND
Name
BASE
ODET
CREV
GREL
ACFD
+
RING
RGIN
RTTX
-
RDC
STIP
OGK
CAC
CRT
GST
REL
GREL
V
LIM
I
I
TIP
V
Z
CF
VB
RS
VB
D1
D0
ZB
Tx
Rx
REF
LTF
CC
AC
INTERFACE
SS
DECODER
ACFD
LOGIC
&
PROCESSOR
REL
2.32
RS
AC
1
Supply input (+5V)
Analog output (current source)
Analog input (current input)
Analog input (voltage input)
Analog output (voltage source)
Ground input (0V)
Supply input (VREG)
Analog input (voltage input)
Analog output (voltage output)
Supply input (-V
Analog output (voltage output)
Analog input (voltage input)
Analog input/output (voltage input / current output)
Digital output (voltage output with internal pull up)
Analog input (current input)
Digital output (voltage output with internal pull up)
Digital input (voltage input, internal pull down)
Digital input (voltage input)
Digital input (voltage input)
Digital input (voltage input 3 levels: 0, +5, open)
Supply input (-5V)
Digital output (voltage output open drain)
Analog input/output (voltage input/current output)
Ground input (0V)
Analog input (current input)
Analog input/output (current output/voltage input)
Analog input (voltage input)
Supply input (-V
Analog output (voltage output)
Analog input (voltage input)
Analog output (voltage output)
Analog input (voltage input)
Analog output (voltage output)
Analog input (voltage input)
Ground input (0V)
Analog input/output (voltage output/current input)
STATUS
LINE
CAC
RTTX
BAT
BAT
SUPERVISION
COMMANDS
VREF
)
)
CRT
ICRT
IREF
ILT
REFERENCE
SWITCHING
VCC
ICRT
BIAS
&
VSS
0 CROSS
DETECT.
RGIN
BIAS
AGND
Function
ILT
ILL
AC+DC
INTERFACE
CREV
(IA+IB)/200
(IA-IB)/200
LINE
IREV
PROCESSOR
AC
DC
DC
VB
(IA+IB)/200
-1
1
REGULATOR
CF
SUPPLY
IA
IB
BASE
STIP
TIP
RING
SRING
BGND
VREG
ILTF
RDC