General Description
The ML2021 is a monolithic analog line equalizer for telephone applications. The ML2021 consists of a switched capacitor filter that realizes a family of frequency response curves optimized for telephone line equalization while minimizing group delay.
Features
⢠Slope, height, and bandwidth adjustable
⢠Optimized group delays (500 Hz to 6.4 kHz)
⢠On chip anti-alias filter
⢠Bypass mode
⢠Low supply current 6 mA typical from ±5V supplies
⢠TTL / CMOS compatible interface
⢠Double buffered data latch
⢠Selectable master clock 1.544 or 1.536 MHz
⢠Synchronous or asynchronous data loading capability
⢠Compatible with ML2003 and ML2004 logarithmic gain/attenuator
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