參數(shù)資料
型號(hào): AD9260EB
廠商: Analog Devices, Inc.
英文描述: High-Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate
中文描述: 高速16位分辨率在2.5 MHz的輸出字速率采樣的CMOS模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù): 5/36頁(yè)
文件大小: 572K
代理商: AD9260EB
–5–
REV. B
AD9260
DIGITAL FILTER CHARACTERISTICS
Parameter
8
×
DECIMATION (N = 8)
Passband Ripple
Stopband Attenuation
Passband
AD9260
Units
0.00125
82.5
0
0.605
×
(f
CLOCK
/20 MHz)
1.870
×
(f
CLOCK
/20 MHz)
18.130
×
(f
CLOCK
/20 MHz)
dB max
dB min
MHz min
MHz max
MHz min
MHz max
Stopband
Passband/Transition Band Frequency
(
0.1 dB Point)
(
3.0 dB Point)
Absolute Group Delay
1
Group Delay Variation
Settling Time (to
±
0.0007%)
1
0.807
×
(f
CLOCK
/20 MHz)
1.136
×
(f
CLOCK
/20 MHz)
13.55
×
(20 MHz/f
CLOCK
)
0
24.2
×
(20 MHz/f
CLOCK
)
MHz max
MHz max
μ
s max
μ
s max
μ
s max
4
×
DECIMATION (N = 4)
Passband Ripple
Stopband Attenuation
Passband
0.001
82.5
0
1.24
×
(f
CLOCK
/20 MHz)
3.75
×
(f
CLOCK
/20 MHz)
16.25
×
(f
CLOCK
/20 MHz)
dB max
dB min
MHz min
MHz max
MHz min
MHz max
Stopband
Passband/Transition Band Frequency
(
0.1 dB Point)
(
3.0 dB Point)
Absolute Group Delay
1
Group Delay Variation
Settling Time (to
±
0.0007%)
1
1.61
×
(f
CLOCK
/20 MHz)
2.272
×
(f
CLOCK
/20 MHz)
2.90
×
(20 MHz/f
CLOCK
)
0
5.05
×
(20 MHz/f
CLOCK
)
MHz max
MHz max
μ
s max
μ
s max
μ
s max
2
×
DECIMATION (N = 2)
Passband Ripple
Stopband Attenuation
Passband
0.0005
85.5
0
2.491
×
(f
CLOCK
/20 MHz)
7.519
×
(f
CLOCK
/20 MHz)
12.481
×
(f
CLOCK
/20 MHz)
dB max
dB min
MHz min
MHz max
MHz min
MHz max
Stopband
Passband/Transition Band Frequency
(
0.1 dB Point)
(
3.0 dB Point)
Absolute Group Delay
1
Group Delay Variation
Settling Time (to
±
0.0007%)
1
3.231
×
(f
CLOCK
/20 MHz)
4.535
×
(f
CLOCK
/20 MHz)
0.80
×
(20 MHz/f
CLOCK
)
0
1.40
×
(20 MHz/f
CLOCK
)
MHz max
MHz max
μ
s max
μ
s max
μ
s max
1
×
DECIMATION (N = 1)
Propagation Delay: t
PROP
Absolute Group Delay
13
(225
×
(20 MHz/f
CLOCK
)) + t
PROP
ns max
ns max
NOTES
1
To determine
overall
Absolute Group Delay and/or Settling Time inclusive of delay from the sigma-delta modulator, add Absolute Group Delay and/or Settling
Time pertaining to specific decimation mode to the Absolute Group Delay specified in 1
×
decimation.
Specifications subject to change without notice.
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