参数资料
型号: AD9244BSTZ-40
厂商: Analog Devices Inc
文件页数: 33/36页
文件大小: 0K
描述: IC ADC 14BIT 40MSPS 48-LQFP
标准包装: 1
位数: 14
采样率(每秒): 40M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 300mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9244
Rev. C | Page 6 of 36
Test
AD9244BST-65
AD9244BST-40
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Unit
DIGITAL OUTPUTS (DRVDD = 3 V)2
Logic 1 Voltage (IOH = 50 μA)
Full
IV
2.95
V
Logic 0 Voltage (IOL = 50 μA)
Full
IV
0.05
V
Logic 1 Voltage (IOH = 0.5 mA)
Full
IV
2.8
V
Logic 0 Voltage (IOL = 1.6 mA)
Full
IV
0.4
V
1 See the Clock Overview section for more details.
2 Output voltage levels measured with 5 pF load on each output.
SWITCHING SPECIFICATIONS
AVDD = 5 V, DRVDD = 3 V, unless otherwise noted.
Table 4.
Test
AD9244BST-65
AD9244BST-40
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Unit
CLOCK INPUT PARAMETERS
Maximum Conversion Rate
Full
VI
65
40
MHz
Minimum Conversion Rate
Full
V
500
kHz
Clock Period1
Full
V
15.4
25
ns
Clock Pulse Width High2
Full
V
4
ns
Clock Pulse Width Low2
Full
V
4
ns
Clock Pulse Width High3
Full
V
6.9
11.3
ns
Clock Pulse Width Low3
Full
V
6.9
11.3
ns
DATA OUTPUT PARAMETERS
Output Delay (tPD)4
Full
V
3.5
7
3.5
7
ns
Pipeline Delay (Latency)
Full
V
8
Clock cycles
Aperture Delay (tA)
Full
V
1.5
ns
Aperture Uncertainty (Jitter)
Full
V
0.3
ps rms
Output Enable Delay
Full
V
15
ns
OUT-OF-RANGE RECOVERY TIME
Full
V
2
1
Clock cycles
1 The clock period can be extended to 2 μs with no degradation in specified performance at 25°C.
2 With duty cycle stabilizer enabled.
3 With duty cycle stabilizer disabled.
4 Measured from clock 50% transition to data 50% transition with 5 pF load on each output.
N
N + 1
N + 2
N + 3
N + 4
N + 5
N + 6
N + 7
N + 8
N + 9
ANALOG INPUT
CLOCK
DATA OUT
tPD
tA
N – 9
N – 8
N – 7
N – 6
N – 5
N – 4
N – 3
N – 2
N – 1
N
N + 1
02404-002
Figure 2. Input Timing
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