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参数资料
| 型号： | ML2021CP |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 模拟传输电路 |
| 中文描述： | TELECOM-LINE EQUALIZER, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 1/11页 |
| 文件大小： | 93K |
| 代理商： | ML2021CP |
www.fairchildsemi.com
REV. 1.1.1 3/19/01
Features
Slope, height, and bandwidth adjustable
Optimized group delays (500 Hz to 6.4 kHz)
On chip anti-alias lter
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
General Description
The ML2021 is a monolithic analog line equalizer for tele-
phone applications. The ML2021 consists of a switched
capacitor lter that realizes a family of frequency response
curves optimized for telephone line equalization while mini-
mizing group delay.
The ML2021 consists of a continuous anti-aliasing lter,
three programmable switched capacitor equalization lters,
an output smoothing lter, a 600
driver, and a digital
section for the serial interface.
The equalization lters adjust the slope, height, and band-
width of the frequency response. The desired frequency
response is programmed by a digital 14-bit serial input data
stream.
Block Diagram
Pin Connections
CLKSEL
AGND
CLKSEL
SID
NC
LATO
SCK
NC
SOD
CLK
CLKSEL
SID
NC
LATO
SCK
NC
SOD
CLK
VCC
PDN
VOUT
AGND
VIN
VSS
VIN
VOUT
LATI
NC
GND
TOP VIEW
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CLK
CLOCK
GENERATOR
SMOOTHING
FILTER
MUX
ANTIALIAS
LO PASS
SLOPE
SECTION
HEIGHT
SECTION
BANDPASS
SECTION
VCC
VIN
PDN
LATI
SID
VOUT
GND
SOD
SCK
LATO
1
54
4
14
14-BIT LATCH
14-BIT SHIFT REGISTER
VSS
ML2021
16-PIN DIP
ML2021
18-PIN SOIC
ML2021
Telephone Line Equalizer
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ML2021CS | 功能描述:电信语音调制 IC Phone Line Equalizer Group Delay Tuned RoHS:否 制造商:Epson Electronics America 产品: 应用:Voice Guidance product 封装 / 箱体:PQFP-52 电源电压-最大:3.6 V, 5.5 V 最大工作温度: 最小工作温度: 封装: |
| ML2021CSX | 功能描述:电信语音调制 IC Phone Line Equalizer Group Delay Tuned RoHS:否 制造商:Epson Electronics America 产品: 应用:Voice Guidance product 封装 / 箱体:PQFP-52 电源电压-最大:3.6 V, 5.5 V 最大工作温度: 最小工作温度: 封装: |
| ML2021IP | 功能描述:电信语音调制 IC Phone Line Equalizer Group Delay Tuned RoHS:否 制造商:Epson Electronics America 产品: 应用:Voice Guidance product 封装 / 箱体:PQFP-52 电源电压-最大:3.6 V, 5.5 V 最大工作温度: 最小工作温度: 封装: |
| ML2021IS | 功能描述:电信语音调制 IC Phone Line Equalizer Group Delay Tuned RoHS:否 制造商:Epson Electronics America 产品: 应用:Voice Guidance product 封装 / 箱体:PQFP-52 电源电压-最大:3.6 V, 5.5 V 最大工作温度: 最小工作温度: 封装: |
| ML2021ISX | 功能描述:电信语音调制 IC Phone Line Equalizer Group Delay Tuned RoHS:否 制造商:Epson Electronics America 产品: 应用:Voice Guidance product 封装 / 箱体:PQFP-52 电源电压-最大:3.6 V, 5.5 V 最大工作温度: 最小工作温度: 封装: |
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