LUCL9215AAU-D AGERE [Agere Systems], LUCL9215AAU-D Datasheet - Page 7

• Manufacturer Part Number: LUCL9215AAU-D
• Description: Short-Loop Sine Wave Ringing SLIC
• Manufacturer: AGERE [Agere Systems]

September 2001
Agere Systems Inc.
Architecture Diagram
V
VITR
VTX
REF
ITR
TXI
PR
PT
OUT
AX
–
+
AAC
ITR
B = 20
V
ITR
(ITR/306)
REF
CURRENT
TIP/RING
SENSE
REFERENCE
18
RFR
18
RFT
BAND-GAP
1.5 V
AGND
Figure 1. Architecture Diagram
V
V
V
REG
REG
CC
+1
–1
+
+
–
–
POWER
BGND V
RINGING
RING
27.5x
BAT2
IN
V
BAT1
PPM
PPM
2x
IN
CURRENT
CONTROL
INRUSH
LIMIT
V
AND
PROG
VITR
Short-Loop Sine Wave Ringing SLIC
NSTAT
BR B0 B1 B2
INTERFACE
PARALLEL
RECTIFIER
CLOSURE
X1
X1
DATA
RING
LOOP
TRIP
ac INTERFACE
RTFLT
9215A GAIN = 4
9215G GAIN = 1
DCOUT
GAIN
DETECTOR
–
+
COMMON-
CURRENT
MODE
ICM
TRGDET
CF2
OVH
CF1
FB2
FB1
RCVN
RCVP
12-3530.g (F)
7