ML2021CP Fairchild Semiconductor, ML2021CP Datasheet
ML2021CP
Specifications of ML2021CP
Available stocks
Related parts for ML2021CP
ML2021CP Summary of contents
Page 1
ML2021 Telephone Line Equalizer 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 ...
Page 2
ML2021 Pin Description Name CLKSEL Clock select input. This pin selects the frequency of the CLK input. If CLK is 1.536 MHz, set CLKSEL = 1. If CLK is 1.544 MHz, set CLKSEL = 0. Pin has an internal pullup ...
Page 3
PRODUCT SPECIFICATION Electrical Characteristics Unless otherwise specifi MIN = 600 Ω , dBm measurements use 600 Ω as reference load, V Other Bits = 100pF 1kHz sinusoid CLK = 1.544 ...
Page 4
ML2021 Electrical Characteristics Unless otherwise specifi MIN Other Bits = 100pF 600Ω, dBm measurements use 600Ω as reference load 1kHz sinusoid CLK = 1.544 MHz ±300 Hz and ...
Page 5
PRODUCT SPECIFICATION SCK SID SOD SCK LATI LATO SOD TIMING PARAMETERS ARE REFERENCED TO THE 1.4 VOLT MIDPOINT. 12 10.5 9.0 7.5 6.0 4.5 3.0 1.5 0 –1.5 –3.0 0 500 1000 1500 2000 2500 FREQUENCY (Hz) Figure 2. Typical ...
Page 6
ML2021 12 10.5 9.0 7.5 6.0 4.5 3.0 1.5 0 –1.5 –3.0 0 500 1000 1500 2000 2500 3000 FREQUENCY (Hz) Figure 3. Typical Slope Filter Response—NL 10.5 1111 9.0 7.5 1000 6.0 4.5 0100 3.0 0010 ...
Page 7
PRODUCT SPECIFICATION Functional Description The ML2021 consists of a continuous anti-alias filter, three programmable switched capacitor equalization filters, an output smoothing filter, an output driver, and a digital section for the serial interface. Anti-Alias Filter The first section is a ...
Page 8
ML2021 Table 3. Slope Response Factors (b, S3 0000 2.371759E +03 1.116280E + 04 0001 1.985920E + 03 9.345141E + 03 0010 1.701779E + 03 8.007156E + 03 0011 1.493571E + 03 ...
Page 9
PRODUCT SPECIFICATION high. The LATI pulse must occur when SCK is low. A new data word can be loaded into the shift register without dis- turbing the existing data word in the latch. The parallel outputs of the latch control ...
Page 10
ML2021 Powerdown Mode A powerdown mode can be selected with pin the device is powered down. In this state, the power DN consumption is reduced by removing power from the analog section and forcing the analog ...
Page 11
... ML2021 Ordering Information Part Number ML2021CP ML2021CS ML2021IP ML2021IS DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; ...