MSM7620 Description
The MSM7620 is an improved version of the MSM7520 with the same basic configuration. The MSM7620 includes following improvements: a modified through mode, timing control of the control pin input, and a thinner package.
MSM7620 Key Features
- Handles both acoustic echoes and telephone line echoes
- Cancelable echo delay time: MSM7620-001
- For a single chip: 23 ms (max.) MSM7620-011
- For a cascade connection (can also be used for a single chip) Master chip: 23 ms (max.) Slave chip: 31 ms (max.) Cancela
- Echo attenuation : 30 dB (typ.)
- Clock frequency : 18 MHz (36 MHz cannot be used) External input and internal oscillator circuit are provided
- Power supply voltage : 5 V (4.5 V to 5.5 V)
- Power consumption : 150 mW (typ.) When powered down: 20 mW (typ.)