参数资料
型号: AD7621ASTZRL
厂商: Analog Devices Inc
文件页数: 5/32页
文件大小: 0K
描述: IC ADC 16BIT 2MSPS DIFF 48LQFP
标准包装: 2,000
系列: PulSAR®
位数: 16
采样率(每秒): 2M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 86mW
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: 带卷 (TR)
输入数目和类型: 1 个差分,双极
AD7621
Rev. 0 | Page 13 of 32
04565-011
FREQUENCY (kHz)
AMP
LITUDE
(dB
of
Full-S
c
a
le
)
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
fS = 3MSPS
fIN = 20.1kHz
SNR = 90.1dB
THD = –103.2dB
SFDR = 103.8dB
SINAD = 89.9dB
Figure 11. FFT 20 kHz
04565-012
FREQUENCY (kHz)
S
NR,
S
INAD
(dB)
ENOB
(
B
it
s)
75
77
79
81
83
85
87
89
91
93
95
12.0
12.4
12.8
13.2
13.6
14.0
14.4
14.8
15.2
15.6
16.0
1
10
100
1000
SNR
ENOB
SINAD
Figure 12. SNR, SINAD and ENOB vs. Frequency
04565-013
FREQUENCY (kHz)
THD,
HARMONICS
(dB)
S
F
DR
(dB)
–120
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
20
30
40
50
60
70
80
90
100
110
120
1
10
100
1000
THD
SFDR
THIRD
HARMONIC
SECOND
HARMONIC
Figure 13. THD, Harmonics, and SFDR vs. Frequency
04565-014
FREQUENCY (kHz)
AMP
LITUDE
(dB
of
Full-S
c
a
le
)
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
fS = 3MSPS
fIN = 98.79kHz
SNR = 89.9dB
THD = –104.9dB
SFDR = 106.6dB
SINAD = 89.8dB
Figure 14. FFT 100 kHz
04565-015
TEMPERATURE (
°C)
S
NR,
S
INAD
(dB)
ENOB
(
B
it
s)
84
92
91
90
89
88
87
86
85
14.0
16.0
15.5
15.0
14.5
–55
–35
–15
125
105
85
65
45
25
5
SNR
SINAD
ENOB
Figure 15. SNR, SINAD, and ENOB vs. Temperature
04565-016
TEMPERATURE (
°C)
THD,
HARMONICS
(dB)
S
F
DR
(dB)
–130
–80
–85
–90
–95
–100
–105
–110
–115
–120
–125
60
110
105
100
95
90
85
80
75
70
65
–55
–35
–15
125
105
85
65
45
25
5
THIRD HARMONIC
SECOND HARMONIC
SFDR
THD
Figure 16. THD, Harmonics, and SFDR vs. Temperature
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