CPC5622 Clare, CPC5622 Datasheet - Page 5

• Manufacturer Part Number: CPC5622
• Description: LITELINK III, Full-wave Ring Detect
• Manufacturer: Clare

1.3 Pin Description
Rev. 1.0
1
2
3
4
5
6
7
8
9
10 RING2
11 RX-
12 RX+
13 SNP+
14 SNP-
15 RXF
16 RX
17 V
18 RXS
19 RPB
20 BR-
21 ZDC
22 DCS2
23 DCS1
24 NTF
25 GAT
26 NTS
27 BR-
28 TXSL
29 ZNT
30 ZTX
31 TXF
32 REFL
Pin
V
TXSM
TX-
TX+
TX
MODE
GND
OH
RING
DD
DDL
Name
Function
Host (CPE) side power supply
Transmit summing junction
Negative differential transmit signal to DAA
from host
Positive differential transmit signal to DAA from
host
Transmit differential amplifier output
When asserted low, changes gain of TX path
(-7 dB) and RX path (+7 dB) to accommodate
reactive termination networks
Host (CPE) side analog ground
Assert logic low for off-hook operation
Half wave ringing detect output signal
Negative differential analog signal received
from the telephone line. Must be AC coupled
with 0.1 µF.
Positive differential analog signal received from
the telephone line. Must be AC coupled with
0.1 µF.
Positive differential snoop input
Negative differential snoop input
Receive photodiode amplifier output
Receive photodiode summing junction
Power supply for line side, regulated from tip
and ring.
Receive isolation amp summing junction
Receive LED pre-bias current set
Bridge rectifier return
Electronic inductor DCR/current limit
DC feedback output
V to I slope control
Network amplifier feedback
External MOSFET gate control
Receive signal input
Bridge rectifier return
Transmit photodiode summing junction
Receiver impedance set
Transmit transconductance gain set
Transmit photodiode amplifier output
1.25 Vdc reference
Full wave ringing detect output signal
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Figure 2. Pinout
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
V
TXSM
TX-
TX+
TX
MODE
GND
OH
RING
RING2
RX-
RX+
SNP+
SNP-
RXF
RX
DD
DCS1
DCS2
REFL
TXSL
ZDC
RPB
RXS
NTS
TXF
ZTX
ZNT
GAT
NTF
BR-
BR-
V
DDL
CPC5622
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
5