参数资料
型号: AD9480ASUZ-250
厂商: Analog Devices Inc
文件页数: 25/28页
文件大小: 0K
描述: IC ADC 8BIT 250MSPS 3.3V 44TQFP
标准包装: 1
位数: 8
采样率(每秒): 250M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 590mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 44-TQFP
供应商设备封装: 44-TQFP(10x10)
包装: 托盘
输入数目和类型: 2 个单端,单极;2 个差分,单极
AD9480
Rev. A | Page 6 of 28
SWITCHING SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V, differential clock input, DCS enabled, unless otherwise noted.
Table 4.
AD9480-250
Parameter
Temp
Test Level
Min
Typ
Max
Unit
CLOCK
Maximum Conversion Rate
Full
VI
250
MSPS
Minimum Conversion Rate
Full
VI
20
MSPS
Clock Pulse Width High (tEH)
Full
IV
1.2
2
ns
Clock Pulse Width Low (tEL)
Full
IV
1.2
2
ns
OUTPUT PARAMETERS
Valid Time (tV)1
Full
VI
1.9
ns
Propagation Delay (tPD)
Full
VI
2.8
3.8
ns
Rise Time (tR) 20% to 80%
Full
V
0.5
ns
Fall Time (tF) 20% to 80%
Full
V
0.5
ns
DCO Propagation Delay (tCPD)
Full
VI
1.9
2.7
3.7
ns
Data-to-DCO Skew (tPD tCPD)
Full
IV
0
0.1
0.6
ns
Pipeline Latency
25°C
VI
8
Cycles
APERTURE
Aperture Delay (tA)
25°C
V
1.5
ns
Aperture Uncertainty (Jitter)
25°C
V
0.25
ps rms
1 Valid time is approximately equal to minimum tPD. CLOAD equals 5 pF maximum.
TIMING DIAGRAM
N–1
N
N+1
N+8
N+9
N+10
N+11
tEH
tEL
1/fS
tA
N–8
tPD
8 CYCLES
tV
N–7
N
N+1
N+2
tCPD
CLK+
CLK–
DATA
OUT
DCO–
DCO+
AIN
04619-002
Figure 2. Timing Diagram
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