le9500 Zarlink Semiconductor, le9500 Datasheet - Page 14

• Manufacturer Part Number: le9500
• Description: Igh-voltage Ringing Slic Device For Volp Applications
• Manufacturer: Zarlink Semiconductor

TEST CIRCUIT
RING
TIP
100 Ω/600 Ω
R
LOOP
0.1 µF
0.1 µF
0.1 µF
383 kΩ
30 Ω
30 Ω
V
RTFLT
DCOUT
PR
PT
V
FB2
FB1
CF1
CF2
PROG
REF
600 Ω
Figure 2. Le9500 Device Basic Test Circuit
V
V
BAT2
BAT2
0.1 µF
VT/R
+
–
Figure 3. Metallic PSRR
V
V
Zarlink Semiconductor Inc.
BAT1
BAT1
TIP
RING
4.7
0.1 µF
PSRR = 20log
100 Ω
TEST CIRCUIT
µ
CIRCUIT
BGND V
F
Le9500
BASIC
V
TEST
BASIC
BAT
14
V
VS
V
or Vcc
CC
CC
BAT
0.1 µF
VT/R
or Vcc
Disconnect
Bypass Capacitor
VS
AGND
NSTAT
RING
RING
RCVP
RCVN
VITR
VTX
ITR
TXI
INN
INP
B0
B1
B2
0.1 µF
4750 Ω
69.8 kΩ
26.7 kΩ
0.1 µF
RING
RING
60.4 kΩ
B0
B1
B2
INN
INP
VITR
RCV