参数资料
型号: AD7440BRTZ-R2
厂商: Analog Devices Inc
文件页数: 7/29页
文件大小: 0K
描述: IC ADC 10BIT W/DIFF INP SOT-23-8
标准包装: 1
位数: 10
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 9.25mW
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: SOT-23-8
供应商设备封装: SOT-23-8
包装: 标准包装
输入数目和类型: 1 个差分,单极
其它名称: AD7440BRTZ-R2DKR
AD7440/AD7450A
Rev. C | Page 14 of 28
10,000
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
2044
2045
2046
2047
2048
2049
03051-A
-019
CODE
10,000
CODES
VIN+ = VIN–
10,000 CONVERSIONS
fS = 1MSPS
Figure 19. Histogram of 10,000 Conversions of a DC Input for the
AD7450A with VDD = 5 V
0
–140
–120
–100
–80
–60
–40
–20
0
100
200
300
400
500
03051-A
-020
FREQUENCY (kHz)
S
NR
(dB)
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = +61.6dB
THD = –81.7dB
SFDR = –83.1dB
Figure 20. AD7440 Dynamic Performance with VDD = 5 V
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0
256
512
768
1024
03051-A
-021
CODE
DNL
E
RROR
(LS
B
)
Figure 21. Typical DNL for the AD7440 for VDD = 5 V
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0
256
512
768
1024
03051-A
-022
CODE
INL
E
RROR
(LS
B
)
Figure 22. Typical INL for the AD7440 for VDD = 5 V
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