IL340D, IL34118, IL34118DWR2 Selling Leads, Datasheet
MFG:ILC Package Cooled:SMD D/C:05+
IL340D, IL34118, IL34118DWR2 Datasheet download
Part Number: IL340D
MFG: ILC
Package Cooled: SMD
D/C: 05+
IL340D, IL34118, IL34118DWR2
- Table of contents:
Info of IL340D
Info of IL34118
Info of IL34118DWR2
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About IL30
PDF/DataSheet Download
Datasheet: IL30
File Size: 65382 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
Download : Click here to Download
About IL34118
PDF/DataSheet Download
Datasheet: IL34118
File Size: 647802 KB
Manufacturer: INTEGRAL [Integral Corp.]
Download : Click here to Download
About IL30
PDF/DataSheet Download
Datasheet: IL30
File Size: 65382 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
Download : Click here to Download
IL34118 General Description
The IL34118 Voice Switched Speakerphone Circuit incorporates the necessary amplifiers, attenuators, level detectors, and control algorithm to form the heart of a high quality hands-free speakerphone system. Included are a microphone amplifier with adjustable gain and MUTE control, Transmit and Receive attenuators which operate in a complementary manner, level detectors at both input and output of both attenuators, and background noise monitors for both the transmit and receive channels. A Dial Tone Detector prevents the dial tone from being attenuated by the Receive background noise monitor circuit. Also included are two line driver amplifiers which can be used to form a hybrid network in conjunction with an external coupling transformer. A high pass filter can be used to filter out 60 Hz noise in the reseive channel, or for other filtering functions. A Chip Disable pin permits powering down the entire circuit to conserve power on long loops where loop current is at a minimum.
The IL34118 may be operated from a power supply, or it can be powered from the telephone line, requiring typically 5.0 mA. The IL34118 can be interfaced directly to Tip and Ring (through a oupling transformer) for stand-alone operation, or it can be used in conjunction with a handset speech network and or other features of a featurephone.
IL34118 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VCC | Supply Voltage (Pin 14) | -1.0 to +7.0 | V |
| VIN | Input Voltage at CD(Pin 3), MUT (Pin 12) | -1.0 toVCC +1.0 V | V |
| VIN | Input Voltage at VLC (Pin 13) | -1.0 toVCC +0.5 V | V |
| VIN | Input Voltage at TXI(Pin 9), RXI (Pin 21), FI (Pin 2) | -0.5 toVCC +0.5 V | V |
| Tstg | Storage Temperature Range | -65 to +150 | °C |
IL34118 Features
• Improved Attenuator Gain Range: 52 dB Between Transmit and Receive
• Low Voltage Operation for Line-Powered Applications (3.0- 6.5 V)
• 4 Point Signal Sensing for Improved Sensitivity
• Background Noise Monitors for Both Transmit and Receive Paths
• Microphone Amplifier Gain Set by External Resistors - Mute Function Included
• Chip Disable for Active Standby Operation
• On Board Filter Pinned-Out for User Deined Function
• Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence
• Low Voltage Operation for Line-Powered Applications (3.0- 6.5 V)
• 4 Point Signal Sensing for Improved Sensitivity
• Background Noise Monitors for Both Transmit and Receive Paths
• Microphone Amplifier Gain Set by External Resistors - Mute Function Included
• Chip Disable for Active Standby Operation
• On Board Filter Pinned-Out for User Deined Function
• Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence
IL34118 Connection Diagram
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