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参数资料
| 型号： | AD9248BSTZRL-65 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/48页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT DUAL 65MSPS 64LQFP |
| 标准包装： | 2,000 |
| 位数： | 14 |
| 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 |
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AD9248
Rev. B | Page 12 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
MAGNITUDE
(dBFS
)
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
04446-060
SNR = 72.6dB
SINAD = 71.9dB
H2 = –81.5dBc
H3 = –86.8dBc
SFDR = 81.5dB
CROSSTALK
SECOND
HARMONIC
THIRD
HARMONIC
Figure 5. Single-Tone FFT of Channel A Digitizing fIN = 12.5 MHz
While Channel B Is Digitizing fIN = 10 MHz
–120
10
MAGNITUDE
(dBFS
)
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
04446-061
SNR = 70.5dB
SINAD = 69.4dB
H2 = –92.3dBc
H3 = –80.1dBc
SFDR = 80.1dBc
SECOND
HARMONIC
THIRD HARMONIC
CROSSTALK
Figure 6. Single-Tone FFT of Channel A Digitizing fIN = 70 MHz
While Channel B Is Digitizing fIN = 76 MHz
–120
10
M
A
G
N
ITUDE
(dBFS)
15
20
25
30
5
0
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
04446-
062
SNR = 68.1dB
SINAD = 68.0dB
H2 = –83.4dBc
H3 = –83.1dBc
SFDR = 75.1dBc
SECOND HARMONIC
CROSSTALK
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
50
04446-007
SNR
SFDR
Figure 8. AD9248-65 Single-Tone SFDR/SNR vs. FS with fIN = 32.5 MHz
SNR
SFDR
SNR
ADC SAMPLE RATE (MSPS)
90
55
40
S
F
DR/S
NR
(dBc
)
85
80
75
70
65
60
95
100
50
35
30
25
20
04446-008
Figure 9. AD9248-40 Single-Tone SFDR/SNR vs. FS with fIN = 20 MHz
SFDR
SNR
ADC SAMPLE RATE (MSPS)
90
55
S
F
DR/S
NR
(dBc
)
85
80
75
70
65
60
95
100
50
0
5
10
15
20
04446-009
Figure 10. AD9248-20 Single-Tone SFDR/SNR vs. FS with fIN = 10 MHz
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