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U4080B |
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| Part Number | U4080B |
| Manufacturer | TEMIC Semiconductors |
| Description | The voice switched speakerphone integrated circuit, U4080B, incorporates a variety of functions (see below). The versality of the device is further enhanced by the provision of a large number of pins ... |
| Features |
D Operates on telephone lines, integrated reference
voltage regulation
D Output power: 100 mW at a 25-Ω load with peak
limitation
D Linear volume control D Monitoring system for background sound level D Wide operating dynamic range through signal
compression
D Chip select pin for active/standby operation
Block Diagram / Application Circuit
Figure 1. Block diagram and application circuit
TELEFUNKEN Semiconductors Rev. A1, 20-May-96
1 (15)
Preliminary Information
U4080B
Pin Description
Pin 1 Symbol Function R1 Load resistance. Pin 14 Symbol Function GND1 High current ground pin for the ... |
| Document |
 U4080B Data Sheet
PDF 169.59KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | U4082B |
Unisonic Technologies |
VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
|
| 2 | U4083 |
TEMIC Semiconductors |
Low-Power Audio Amplifier for Telephone Applications |
|
| 3 | U4083B |
TEMIC Semiconductors |
Low-Power Audio Amplifier for Telephone Applications |
|
| 4 | U4087B |
TEMIC Semiconductors |
Low Voltage Voice Switch Interface Circuit |
|
| 5 | U401 |
Calogic LLC |
Dual N-Channel JFET Switch |
|