ML7021中文资料Single Rail CODEC数据手册OKI规格书

描述 Description

GENERAL DESCRIPTION
The ML7021 is an improved version of the MSM7602 with the reduced cancelable echo delay time and additional 2100Hz tone detection function.
The ML7021 is a low-power CMOS device for canceling echo (in an acoustic system or telephone line) generated in a speech path.FEATURES
• Tone disable function
• Cancelable echo delay time:
   For a single chip: 8 ms (max.)
• Echo attenuation : 30 dB (typ.)
• Clock frequency : 19.2 MHz
                          External input and internal oscillator circuit are provided.
• Power supply voltage : 2.7 V to 5.5 V
• Package:
   28-pin plastic SSOP (SSOP28-P-485-0.65-K) (Product name : ML7021MB)

特性 Features

• Tone disable function
• Cancelable echo delay time:
   For a single chip: 8 ms (max.)
• Echo attenuation : 30 dB (typ.)
• Clock frequency : 19.2 MHz
                          External input and internal oscillator circuit are provided.
• Power supply voltage : 2.7 V to 5.5 V
• Package:
   28-pin plastic SSOP (SSOP28-P-485-0.65-K) (Product name : ML7021MB)