CYG2218

CYG2218 Datasheet

CYG2218

Part	Datasheet
CYG2218	CYG2218 (pdf)

PDF Datasheet Preview
Features • Zero insertion loss • Low distortion transformer signal coupling max • Complete ring detector circuit • Low power hookswitch • Electronic inductor/gyrator circuit • Solid state surge protection • Transient protection zeners • Complete hybrid circuit 2-4 wire converter included • Compatible with all modem chip sets • V.32 bis/V.34 compatible Applications • Modems • Fax machines • Remote data acquisition • Security systems • Voice mail systems • PC motherboard • Computer telephony • Process control • Medical • PBX • Direct broadcast satellite CYG2218 CYBERGATE Description Clare’s Cybergate CYG2218 DAA module provides a complete telephone line interface circuit featuring 0dB insertion loss. It includes a 2-4 wire converter for transmit and receive signal separation in a small x package. The module provides a fast and cost effective solution for designs that require an interface to the telephone line. The module is designed to meet FCC part 68 requirements thus providing a low risk design solution. Approvals • UL recognized file # E174201 Ordering Information Part # CYG2218 Description DAA Module 18/Tube Block Diagram XMIT+ RCV OH 2 to 4 Wire Converter Line Transformer Line Current Circuit Hookswitch Surge Protection TIP RING Ring Detect Handling and Assembly Recommendations The CYG2218 products are not hermetically sealed and should not be exposed to any liquid-based rinsing processes. Clare recommends two 2 approaches. The modem should either use a no clean soldering flux that would mostly evaporate during the normal wave soldering processes, or be soldered by hand after the rest of the card is wave soldered. DS-CYG2218-R1.0 CYG2218 Absolute Maximum Ratings C Parameter Isolation Voltage Operational Temperature Storage Temperature Relative Humidity Non-Condensing Soldering Temperature Tip/Ring Load Current continuous Hookswitch LED Drive Voltage Ring Detect Phototransistor Voltage VCC 1 Derate Linearly mw / oC 2 Derate Linearly mw / oC Min Typ Max Units - 1000 VRMS - 70 °C - 100 °C 10 - 85 % - 260 °C - 120 mA - 50 mA - 20 V Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for an extended period may degrade the device and effect its reliability. Electrical Characteristics Parameter DC Electrical Characteristics On-Hook Impedance 2,1 R,T per FCC Off-Hook Line Leakage Current 2,1 R,T per FCC Power Supply Current VCC Hookswitch Control Current OH Hookswitch Control Voltage Off-Hook On-Hook AC Signal Path Electrical Characteristics Return Loss Insertion Loss Transmit Receive Frequency Response Longitudinal Balance On-Hook Off-Hook Transhybrid Loss Total Harmonic Distortion DC Loop Current Ring Detection Circuit Characteristics Ringing Voltage Detection Range Ringing Frequency Detection Range Ringer Equivalence Number RING Pin 5 Output Voltage Pulsed Logic ‘0’, Ring present Logic ‘1’, Ring not present Surge and Isolation Characteristics Surge Protection Voltage Tip and Ring Pins 1,2 Isolation Voltage Pins 18,17,16,15,14,5,4,to1,2

PDF Datasheet Preview

Features
• Zero insertion loss
• Low distortion transformer signal coupling
max
• Complete ring detector circuit
• Low power hookswitch
• Electronic inductor/gyrator circuit
• Solid state surge protection
• Transient protection zeners
• Complete hybrid circuit 2-4 wire converter
included
• Compatible with all modem chip sets
• V.32 bis/V.34 compatible

Applications
• Modems
• Fax machines
• Remote data acquisition
• Security systems
• Voice mail systems
• PC motherboard
• Computer telephony
• Process control
• Medical
• PBX
• Direct broadcast satellite

CYG2218

CYBERGATE

Description Clare’s Cybergate CYG2218 DAA module provides a complete telephone line interface circuit featuring 0dB insertion loss. It includes a 2-4 wire converter for transmit and receive signal separation in a small x package. The module provides a fast and cost effective solution for designs that require an interface to the telephone line. The module is designed to meet FCC part 68 requirements thus providing a low risk design solution.

Approvals
• UL recognized file # E174201
Ordering Information

Part # CYG2218

Description DAA Module 18/Tube

Block Diagram

XMIT+ RCV OH
2 to 4 Wire Converter

Line Transformer

Line Current Circuit

Hookswitch

Surge Protection

TIP RING

Ring

Detect

Handling and Assembly Recommendations The CYG2218 products are not hermetically sealed and should not be exposed to any liquid-based rinsing processes. Clare recommends two 2 approaches. The modem should either use a no clean soldering flux that would mostly evaporate during the normal wave soldering processes, or be soldered by hand after the rest of the card is wave soldered.

DS-CYG2218-R1.0

CYG2218

Absolute Maximum Ratings C

Parameter

Isolation Voltage Operational Temperature Storage Temperature Relative Humidity

Non-Condensing Soldering Temperature Tip/Ring Load Current
continuous Hookswitch LED Drive

Voltage Ring Detect Phototransistor

Voltage VCC
1 Derate Linearly mw / oC 2 Derate Linearly mw / oC

Min Typ Max Units
- 1000 VRMS
- 70 °C
- 100 °C
10 - 85 %
- 260 °C
- 120 mA
- 50 mA
- 20 V

Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for an extended period may degrade the device and effect its reliability.

Electrical Characteristics

Parameter DC Electrical Characteristics On-Hook Impedance
2,1 R,T per FCC Off-Hook Line Leakage Current
2,1 R,T per FCC Power Supply Current VCC Hookswitch Control Current OH

Hookswitch Control Voltage Off-Hook On-Hook

AC Signal Path Electrical Characteristics Return Loss Insertion Loss

Transmit Receive Frequency Response Longitudinal Balance On-Hook Off-Hook Transhybrid Loss Total Harmonic Distortion DC Loop Current Ring Detection Circuit Characteristics Ringing Voltage Detection Range Ringing Frequency Detection Range Ringer Equivalence Number RING Pin 5 Output Voltage Pulsed Logic ‘0’, Ring present Logic ‘1’, Ring not present Surge and Isolation Characteristics Surge Protection Voltage Tip and Ring Pins 1,2 Isolation Voltage Pins 18,17,16,15,14,5,4,to1,2

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived CYG2218 Datasheet file may be downloaded here without warranties.

Datasheet ID: CYG2218 644134