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IXYS

CPC5620ATR Datasheet Preview

CPC5620ATR Datasheet

Phone Line Interface

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INTEGRATED CIRCUITS DIVISION
CPC5620/CPC5621
LITELINK® III
Phone Line Interface IC (DAA)
Features
Superior voice solution with low noise, excellent
part-to-part gain accuracy
3 kVrms line isolation
Transmit power of up to +10 dBm into 600
Data access arrangement (DAA) solution for
modems at speeds up to V.92
3.3 or 5 V power supply operation
Caller ID signal reception function
Easy interface with modem ICs and voice CODECs
Worldwide dial-up telephone network compatibility
CPC5620 and CPC5621 can be used in circuits that
comply with the requirements of TIA/EIA/IS-968
(FCC part 68), UL1950, UL60950, EN/IEC 60950-1
Supplementary Isolation compliant, EN55022B,
CISPR22B, EN55024, and TBR-21
Line-side circuit powered from telephone line
Compared to other silicon DAA solutions, LITELINK:
- Uses fewer passive components
- Takes up less printed-circuit board space
- Uses less telephone line power
- Offers simplified operation
- Is a single-IC solution
Applications
Computer telephony and gateways, such as VoIP
PBXs
Satellite and cable set-top boxes
V.92 (and other standard) modems
Fax machines
Voicemail systems
Embedded modems for POS terminals, automated
banking, remote metering, vending machines,
security, and surveillance
Description
LITELINK III is a single-package silicon phone line
interface (PLI) DAA used in voice and data
communication applications to make connections
between low-voltage equipment and high-voltage
telephone networks.
LITELINK provides a high-voltage isolation barrier, AC
and DC phone line terminations, switch hook, 2-wire to
4-wire hybrid, ring detection, and on-hook signal
detection. LITELINK can be used in both differential
and single-ended signal applications.
LITELINK uses on-chip optical components and a few
inexpensive external components to form a complete
voice or high-speed data phone line interface.
LITELINK eliminates the need for large isolation
transformers or capacitors used in other interface
configurations. It includes the required high-voltage
isolation barrier in a surface-mount SOIC package.
The CPC5620 (half-wave ringing detect) and
CPC5621 (full-wave ringing detect) build upon IXYS
Integrated Circuits Division’s LITELINK product line,
with improved insertion loss control, improved noise
performance, and lower minimum current draw from
the phone line. The new mode pin enables worldwide
implementation.
Ordering Information
Part Number
CPC5620A
CPC5620ATR
CPC5621A
CPC5621ATR
Description
32-pin SOIC, half-wave ring detect, 50/Tube
32-pin SOIC, half-wave ring detect, 1000/Reel
32-pin SOIC, full-wave ring detect, 50/Tube
32-pin SOIC, full-wave ring detect, 1000/Reel
CPC5620/CPC5621 Block Diagram
Is3oklVartmiosn
Tx+
Tx-
MODE
OH
RING
CID
Rx+
Rx-
Transmit
Diff.
Amplifier
Receive
Diff.
Amplifier
Isolation Barrier
Transmit
Isolation
Amplifier
Transconductance
Stage
2-4 Wire Hybrid
AC/DC Termination
Hookswitch
Vref
Gain Trim
CID/
RING
MUX
Vref
Gain Trim
Receive
Isolation
Amplifier
TIP+
VI Slope Control
AC Impedance Control
Current Limit Control
RING-
Snoop Amplifier
CSNOOP
CSNOOP
RSNOOP
RSNOOP
DS-CPC5620/CPC5621-R05.1
www.ixysic.com
1




IXYS

CPC5620ATR Datasheet Preview

CPC5620ATR Datasheet

Phone Line Interface

No Preview Available !

INTEGRATED CIRCUITS DIVISION
CPC5620/CPC5621
1 Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Resistive Termination Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1.1 Resistive Termination Application Circuit Part List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.2 Reactive Termination Application Circuit Part List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Using LITELINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Switch Hook Control (On-hook and Off-hook States) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 On-hook Operation: OH=1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.1 Ringing Signal Reception via the Snoop Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.2 Polarity Reversal Detection with CPC5621 in On-hook State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2.3 On-hook Caller ID Signal Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Off-Hook Operation: OH=0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3.1 Receive Signal Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3.2 Transmit Signal Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Start-up Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5 DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.1 Setting a Current Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6 AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.1 Resistive Termination Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.2 Reactive Termination Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.3 Mode Pin Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 LITELINK Design Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6 LITELINK Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7 Manufacturing Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1 Mechanical Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2
www.ixysic.com
R05.1


Part Number CPC5620ATR
Description Phone Line Interface
Maker IXYS
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