OKI SEMICONDUCTOR CO., LTD. > Integrated Circuits > Communication LSIs > Echo Canceler/Noise Canceler
Echo Canceler/Noise Canceler
Echo cancellers using full of OKI SEMICONDUCTOR's specific know-hows with shipping records in many years
(1) Updates
(2) Application Example
Elimination of line echoes fed back in 2/4-wire conversion hybrid circuits in PBX or terminal adaptors and elimination of acoustic echoes in hands-free kits and speakerphones
(3) Others
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Echo Cancelers
| Part Number |
Description | Package | Cancelable Echo Delay Time |
Voice Signal Interface |
Supply Voltage |
Operating Frequency |
Notes |
| ML7021
Data Sheet |
Single echo canceller( 8ms,μ-law I/F ) | 28SSOP | 8ms | μ-law | 2.7 to 5.5V | 19.2MHz | |
| MSM7602-001
Data Sheet |
Single echo canceller( 23ms, μ-law I/F ) | 28SSOP | 23ms | μ-law | 2.7 to 5.5V | 19.2MHz | |
| MSM7602-011
Data Sheet |
Single echo canceller( cascadable, μ-law I/F ) | 56QFP | 23ms master 31ms slave (x6 max.) | μ-law | 2.7 to 5.5V | 19.2MHz | |
| ML7202-001 | Dual echo canceller( 64ms x 2-ch, μ/A-law I/F ) + ADPCM Transcoder | 64TQFP | 64ms/channel | μ-law, Alaw | 3.0 to 3.6V | 19.2MHz | Tone Gen/Det., VOX, Gain Control, Time Slot Assignment, etc. |
Echo Canceler/Noise Canceler
| Part Number |
Features | Package | Cancelable Echo Delay Time |
Voice Signal Interface |
Supply Voltage |
Operating Frequency |
Notes |
| ML7037-003 | Dual echo canceller / noise canceller with dual codec | 64 TQFP | Acoustic side: 64ms, Line side: 20ms | Acoustic side: analog Line side: analog, 16-bit linear, μ-law analog | 3.0 to 3.6V | 12.288 MHz | Noise cancellation = 6 to 18dB(Typ.) |
