参数资料
型号: AD9237BCPZRL7-40
厂商: Analog Devices Inc
文件页数: 20/24页
文件大小: 0K
描述: IC ADC 12BIT SGL 40MSPS 32LFCSP
标准包装: 1,500
位数: 12
采样率(每秒): 40M
数据接口: 并联
转换器数目: 3
功率耗散(最大): 135mW
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: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;1 个差分,单极
Data Sheet
AD9237
Rev. B | Page 5 of 24
AD9237BCP-20
AD9237BCP-40
AD9237BCP-65
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
INPUT = 2.4 MHz
88.0
83.5
85.5
dBc
f
INPUT = 9.7 MHz
72.4
87.5
dBc
f
INPUT = 19.6 MHz
72.2
82.4
dBc
f
INPUT = 34.2 MHz
69.4
80.1
dBc
f
INPUT = 70 MHz
80.5
77.9
74.9
dBc
WORST HARMONIC (SECOND OR THIRD)
f
INPUT = 2.4 MHz
88.0
83.5
85.5
dBc
f
INPUT = 9.7 MHz
72.4
87.5
dBc
f
INPUT = 19.6 MHz
72.2
82.4
dBc
f
INPUT = 34.2 MHz
69.4
80.1
dBc
f
INPUT = 70 MHz
80.5
77.9
74.9
dBc
WORST OTHER SPUR
f
INPUT = 2.4 MHz
90
dBc
f
INPUT = 9.7 MHz
73.4
90
dBc
f
INPUT = 19.6 MHz
73.1
90
dBc
f
INPUT = 34.2 MHz
72.0
90
dBc
f
INPUT = 70 MHz
90
dBc
SWITCHING SPECIFICATIONS
Table 4.
AD9237BCP-20
AD9237BCP-40
AD9237BCP-65
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
CLK INPUT PARAMETERS
Maximum Conversion Rate
20
40
65
MSPS
Minimum Conversion Rate
1
MSPS
CLK Period
50.0
25.0
15.4
ns
CLK Pulse Width High1
15.0
8.8
6.2
ns
CLK Pulse Width Low1
15.0
8.8
6.2
ns
DATA OUTPUT PARAMETERS
Output Delay (t
3.5
ns
Pipeline Delay (Latency)
9
Cycles
Output Enable Time
6
ns
Output Disable Time
3
ns
Aperture Delay (t
A)
1.0
ns
Aperture Uncertainty (Jitter, t
J)
0.5
ps rms
Wake-Up Time (Sleep Mode)3
3.0
ms
Wake-Up Time (Standby Mode)3
3.0
s
OUT-OF-RANGE RECOVERY TIME
1
2
Cycles
1 With duty cycle stabilizer enabled.
2 Output delay is measured from CLK 50% transition to DATA 50% transition, with 5 pF load on each output.
3 Wake-up time is dependent on value of decoupling capacitors; typical values shown with 0.1 F and 10 F capacitors on REFT and REFB.
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