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參數(shù)資料
| 型號： | ML2009 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | μP Compatible Logarithmic Gain/Attenuator(微處理器兼容的對數(shù)增益衰減器) |
| 中文描述： | 微處理器兼容的對數(shù)增益/衰減器（微處理器兼容的對數(shù)增益衰減器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 70K |
| 代理商： | ML2009 |
March 1997
ML2008, ML2009
μ
P Compatible Logarithmic Gain/Attenuator
FEATURES
I
Low noise
I
Low harmonic distortion
I
Gain range
I
Resolution
I
Flat frequency response
0dBrnc max with +24dB gain
–60dB max
–24 to +24dB
0.1dB steps
±
0.05dB from 0.3-4kHz
±
0.10dB from 0.1-20kHz
4mA max from
±
5V supplies
I
Low supply current
I
TTL/CMOS compatible digital interface
I
ML2008 is designed to interface to an 8-bit data bus;
ML2009 to 16-bit data bus
GENERAL DESCRIPTION
The ML2008 and ML2009 are digitally controlled
logarithmic gain/attenuators with a range of –24 to +24dB
in 0.1dB steps.
Easy interface to microprocessors is provided by an input
latch and control signals consisting of chip select and
write.
The interface for gain setting of the ML2008 is by an 8-bit
data word, while the ML2009 is designed to interface to a
16-bit data bus with a single write operation by hard-
wiring the gain/attenuation pin or LSB pin. The ML2008
can be power downed by the microprocessor utilizing a
bit in the second write operation.
Absolute gain accuracy is 0.05dB max over supply
tolerance of
±
10% and temperature range.
These CMOS logarithmic gain/attenuators are designed for
a wide variety of applications in telecom, audio, sonar or
general purpose function generation.
BLOCK DIAGRAM
+
COARSE
–
+
–
+
BUFFER
–
RESISTORS/
SWITCHES
RESISTORS/
SWITCHES
V
CC
V
SS
GND
AGND
V
IN
FINE
V
OUT
16
16
+5
–5
DECODERS
WR
CS
A0
REGISTER 0
REGISTER 1
8
1
1
PDN
D1–D8
8
+
COARSE
–
+
–
+
BUFFER
–
RESISTORS/
SWITCHES
RESISTORS/
SWITCHES
V
CC
V
SS
GND
AGND
V
IN
FINE
V
OUT
16
16
+5
–5
DECODERS
REGISTER 0
9
D0–D8
9
WR
CS
ML2008
ML2009
REV. 1.0 10/10/2000
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML2009CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:レP Compatible Logarithmic Gain/Attenuator |
| ML2009CQ | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:レP Compatible Logarithmic Gain/Attenuator |
| ML2009IP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:レP Compatible Logarithmic Gain/Attenuator |
| ML2009IQ | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:レP Compatible Logarithmic Gain/Attenuator |
| ML200BG1PG | 制造商:HONEYWELL 制造商全稱:Honeywell Solid State Electronics Center 功能描述:High value and outstanding performance No internal elastomeric seals |
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