參數(shù)資料
型號: AD9481-PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 25/28頁
文件大?。?/td> 0K
描述: BOARD EVAL 8BIT 250MSPS 44-TQFP
標準包裝: 1
ADC 的數(shù)量: 1
位數(shù): 8
采樣率(每秒): 250M
數(shù)據(jù)接口: 并聯(lián)
輸入范圍: 1 Vpp
在以下條件下的電源(標準): 439mW @ 250MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD9481
已供物品:
相關產(chǎn)品: AD9481BSUZ-250-ND - IC ADC 8BIT 250MSPS 3.3V 44-TQFP
AD9481
Rev. 0 | Page 6 of 28
SWITCHING SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V; differential encode input, duty cycle stabilizer enabled, unless otherwise noted.
Table 4.
AD9481-250
Parameter
Temp
Test Level
Min
Typ
Max
Unit
CLOCK
Maximum Conversion Rate
Full
VI
250
MSPS
Minimum Conversion Rate
Full
IV
20
MSPS
Clock Pulse-Width High (tEH)
Full
IV
1.2
2
ns
Clock Pulse-Width Low (tEL)
Full
IV
1.2
2
ns
DS Input Setup Time (tSDS)
Full
IV
0.5
ns
DS Input Hold Time (tHDS)
Full
IV
0.5
ns
OUTPUT PARAMETERS1
Valid Time (tV)2
Full
VI
2.5
ns
Propagation Delay (tPD)
Full
VI
4
5.4
ns
Rise Time (tR) 10% to 90%
Full
V
670
ps
Fall Time (tF) 10% to 90%
Full
V
360
ps
DCO Propagation Delay (tCPD) 3
Full
VI
2.5
3.9
5.3
ns
Data-to-DCO Skew (tPD tCPD)4
Full
VI
0.5
+0.5
ns
A Port Data to DCO Rising (tSKA)5
Full
IV
4
ns
B Port Data to DCO+ Rising (tSKB)
Full
IV
4
ns
Pipeline Latency (A, B)
Full
IV
8
Cycles
APERTURE
Aperture Delay (tA)
25°C
V
1.5
ns
Aperture Uncertainty (Jitter)
25°C
V
0.25
ps rms
OUT-OF-RANGE RECOVERY TIME
25°C
V
1
Cycle
1 CLOAD equals 5 pF maximum for all output switching specifications.
2 Valid time is approximately equal to minimum tPD.
3 TCPD equals clock rising edge to DCO (+ or ) rising edge delay.
4 Data changing to (DCO+ or DCO) rising edge delay.
5 TSKA, TSKB are both clock rate dependent delays equal to TCYCLE (Data to DCO skew).
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