AD9260ASZ Просмотр технического описания (PDF) - Analog Devices
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AD9260ASZ
Analog Devices
AD9260ASZ Datasheet PDF : 45 Pages
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AD9260
DIGITAL FILTER CHARACTERISTICS
Table 4.
Parameter
8× DECIMATION (N = 8)
Pass-Band Ripple
Stop-Band Attenuation
Pass-Band
Stop-Band
Pass-Band/Transition Band Frequency
(–0.1 dB Point)
(–3.0 dB Point)
Absolute Group Delay1
Group Delay Variation
Settling Time (to ± 0.0007%)1
4× DECIMATION (N = 4)
Pass-Band Ripple
Stop-Band Attenuation
Pass-Band
Stop-Band
Pass-Band/Transition Band Frequency
(–0.1 dB Point)
(–3.0 dB Point)
Absolute Group Delay1
Group Delay Variation
Settling Time (to ± 0.0007%)1
2× DECIMATION (N = 2)
Pass-Band Ripple
Stop-Band Attenuation
Pass-Band
Stop-Band
Pass-Band/Transition Band Frequency
(–0.1 dB Point)
(–3.0 dB Point)
Absolute Group Delay1
Group Delay Variation
Settling Time (to ± 0.0007%)1
1× DECIMATION (N = 1)
Propagation Delay: tPROP
Absolute Group Delay
AD9260
0.00125
82.5
0
0.605 × (fCLOCK/20 MHz)
1.870 × (fCLOCK/20 MHz)
18.130 × (fCLOCK/20 MHz)
0.807 × (fCLOCK/20 MHz)
1.136 × (fCLOCK/20 MHz)
13.55 × (20 MHz/fCLOCK)
0
24.2 × (20 MHz/fCLOCK)
0.001
82.5
0
1.24 × (fCLOCK/20 MHz)
3.75 × (fCLOCK/20 MHz)
16.25 × (fCLOCK/20 MHz)
1.61 × (fCLOCK/20 MHz)
2.272 × (fCLOCK/20 MHz)
2.90 × (20 MHz/fCLOCK)
0
5.05 × (20 MHz/fCLOCK)
0.0005
85.5
0
2.491 × (fCLOCK/20 MHz)
7.519 × (fCLOCK/20 MHz)
12.481 × (fCLOCK/20 MHz)
3.231 × (fCLOCK/20 MHz)
4.535 × (fCLOCK/20 MHz)
0.80 × (20 MHz/fCLOCK)
0
1.40 × (20 MHz/fCLOCK)
13
(225 × (20 MHz/fCLOCK)) + tPROP
Unit
dB max
dB min
MHz min
MHz max
MHz min
MHz max
MHz max
MHz max
µs max
µs max
µs max
dB max
dB min
MHz min
MHz max
MHz min
MHz max
MHz max
MHz max
µs max
µs max
µs max
dB max
dB min
MHz min
MHz max
MHz min
MHz max
MHz max
MHz max
µs max
µs max
µs max
ns max
ns max
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.
Rev. C | Page 6 of 44
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