参数资料
型号: AD9238BSTZRL-65
厂商: Analog Devices Inc
文件页数: 3/48页
文件大小: 0K
描述: IC ADC 12BIT DUAL 65MSPS 64LQFP
标准包装: 2,000
位数: 12
采样率(每秒): 65M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 600mW
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: 64-LQFP
供应商设备封装: 64-LQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;2 个差分,单极
AD9238
Rev. C | Page 11 of 48
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD, DRVDD = 3.0 V, T = 25°C, AIN differential drive, full scale = 2 V, unless otherwise noted.
–120
10
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
SECOND
HARMONIC
FREQUENCY (MHz)
CROSSTALK
MAGNITUDE
(dBFS
)
THIRD
HARMONIC
02640-004
Figure 5. Single-Tone FFT of Channel A Digitizing fIN = 12.5 MHz
While Channel B Is Digitizing fIN = 10 MHz
–120
10
dB
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
CROSSTALK
SECOND
HARMONIC
02640-005
Figure 6. Single-Tone FFT of Channel A Digitizing fIN = 70 MHz
While Channel B Is Digitizing fIN = 76 MHz
–120
10
dB
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
SECOND
HARMONIC
FREQUENCY (MHz)
CROSSTALK
02640-006
Figure 7. Single-Tone FFT of Channel A Digitizing fIN = 120 MHz
While Channel B is Digitizing fIN = 126 MHz
ADC SAMPLE RATE (MSPS)
90
55
40
S
F
DR/S
NR
(dBc
)
85
80
75
70
65
60
45
50
55
60
65
95
100
SNR
SFDR
50
02640-007
Figure 8. AD9238-65 Single-Tone SNR/SFDR vs. FS with fIN = 32.5 MHz
ADC SAMPLE RATE (MSPS)
90
55
40
S
F
DR/S
NR
(dBc
)
85
80
75
70
65
60
95
100
SNR
SFDR
50
35
30
25
20
SNR
02640-008
Figure 9. AD9238-40 Single-Tone SNR/SFDR vs. FS with fIN = 20 MHz
ADC SAMPLE RATE (MSPS)
90
55
S
F
DR/S
NR
(dBc
)
85
80
75
70
65
60
95
100
50
0
510
15
20
SFDR
SNR
02640-009
Figure 10. AD9238-20 Single-Tone SNR/SFDR vs. FS with fIN = 10 MHz
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