le79r241 Zarlink Semiconductor, le79r241 Datasheet - Page 19

• Manufacturer Part Number: le79r241
• Description: Intelligent Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

APPLICATION CIRCUITS
DT1i
B
A
BATH
RFBi
RFAi
RSBi
BATH
RSAi
BATL
RTEST
BATP
CS1
U3
U4
DHi
DLi
RMGLi
CBATPi
CS2
DLHi
U5
U6
RMGPi
BATP
CBATHi
CBATLi
CBDi
Figure 5. Internal Ringing Line Schematic
CADi
CHPi
* Connections shown for one channel
HPA
HPB
TMP
TMN
VBH
VBP
RYE
R2
R3
R1
BGND
VBL
TMS
SA
AD
BD
SB
+5V
VCC
Zarlink Semiconductor Inc.
Le79R241
Le79R251
RSVD
U1
or
CREF
3.3V
19
VSAB
VREF
GND
VTX
RSN
LD
VLB
IMT
ILG
P1
P2
P3
RLGi
RMTi
CHLbi
RTi
VREF
RHLci
RRXi
VREF
RHLai
VREF
RHLbi
RHLdi
CHLdi
VIMTi
VILGi
VREF
LDi
P1
P2
P3
VHLi
VINi
VLBi
VOUTi
VSABi
XSBi
Le79228x
codec
U2
AGND
VCCD
DGND
IREF
VCCA
SHB
SPB
XSC
SLB
PLANE
BACK
RSPB
RSHB
RREF
RSLB
VCC
+3.3VDC
BATP
BATL
BATH