參數(shù)資料
型號(hào)： AD9240EB
廠商： Analog Devices, Inc.
英文描述： Complete 14-Bit, 10 MSPS Monolithic A/D Converter
中文描述： 完整的14位，10 MSPS的單片機(jī)的A / D轉(zhuǎn)換器
文件頁(yè)數(shù)： 11/24頁(yè)
文件大?。?/td> 328K
代理商： AD9240EB
AD9240
REV. A
–11–
Table I. Analog Input Configuration Summary
Input
Connection
Single-Ended
Input
Span (V)
2
Input Range (V)
VINA
1
0 to 2
Figure
#
32, 33
Coupling
DC
VINB
1
1
Comments
Best for stepped input response applications, suboptimum THD
and noise performance, requires
±
5 V op amp.
2
×
VREF
0 to
2
×
VREF
VREF
32, 33
Same as above but with improved noise performance due to
increase in dynamic range. Headroom/settling time requirements
of
±
5 V op amp should be evaluated.
5
0 to 5
2.5
32, 33
Optimum noise performance, excellent THD performance. Requires
op amp with VCC > +5 V due to insufficient headroom @ 5 V.
2
×
VREF
2.5 – VREF
to
2.5 + VREF
2.5
39
Optimum THD performance with VREF = 1, noise performance
improves while THD performance degrades as VREF increases
to 2.5 V. Single supply operation (i.e., +5 V) for many op amps.
Single-Ended
AC
2 or
2
×
VREF
0 to 1 or
0 to 2
×
VREF
1 or VREF
34
Suboptimum ac performance due to input common-mode level
not biased at optimum midsupply level (i.e., 2.5 V).
5
2
×
VREF
0 to 5
2.5
34
Optimum noise performance, excellent THD performance.
2.5 – VREF
to
2.5 + VREF
2.5
35
Flexible input range, Optimum THD performance with VREF = 1.
Noise performance improves while THD performance degrades as
VREF increases to 2.5 V.
Differential
AC or
DC
2
2 to 3
3 to 2
29–31
Optimum full-scale THD and SFDR performance well beyond the
A/Ds Nyquist frequency.
2
×
VREF
2.5 – VREF/2
to
2.5 + VREF/2
2.5 + VREF/2
to
2.5 – VREF/2
29–31
Same as 2 V to 3 V input range with the exception that full-scale
THD and SFDR performance can be traded off for better noise
performance.
5
1.25 to 3.75
3.75 to 1.25
29–31
Widest dynamic range (i.e., ENOBs) due to optimum noise
performance.
1
VINA and VINB can be interchanged if signal inversion is required.
Table II. Reference Configuration Summary
Reference
Operating Mode
Input Span (VINA–VINB)
(V p-p)
Required VREF (V)
Connect
To
INTERNAL
INTERNAL
INTERNAL
2
5
2
≤
SPAN
≤
5 AND
SPAN = 2
×
VREF
2
≤
SPAN
≤
5
1
2.5
1
≤
VREF
≤
2.5 AND
VREF = (1 + R1/R2)
1
≤
VREF
≤
2.5
SENSE
SENSE
R1
R2
SENSE
VREF
SENSE
VREF
EXT. REF. 1
EXT. REF. 2
VREF
REFCOM
VREF AND SENSE
SENSE AND REFCOM
AVDD
EXT. REF.
AVDD
REFCOM
CAPT
CAPB
EXTERNAL
(NONDYNAMIC)
EXTERNAL
(DYNAMIC)
2
≤
SPAN
≤
5
CAPT and CAPB
Externally Driven
相關(guān)PDF資料
PDF描述
AD9241 Complete 14-Bit, 1.25 MSPS Monolithic A/D Converter
AD9241AS RES., MF, 2K, 1%, 1/4W
AD9241EB Complete 14-Bit, 1.25 MSPS Monolithic A/D Converter
AD9243 Complete 14-Bit, 3.0 MSPS Monolithic A/D Converter
AD9243AS Complete 14-Bit, 3.0 MSPS Monolithic A/D Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9240-EB 制造商:Analog Devices 功能描述:
AD9241 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 14-Bit, 1.25 MSPS Monolithic A/D Converter
AD9241ACHIPS 制造商:Analog Devices 功能描述:
AD9241AS 制造商:Analog Devices 功能描述:ADC Single Pipelined 1.25Msps 14-bit Parallel 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:14BIT 1.25 MSPS MONOLITHIC A/D CONVERTER - Bulk 制造商:Analog Devices 功能描述:IC 14-BIT ADC
AD9241ASRL 制造商:Analog Devices 功能描述:ADC Single Pipelined 1.25Msps 14-bit Parallel 44-Pin MQFP T/R
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