参数资料
型号: AD7440BRTZ-R2
厂商: Analog Devices Inc
文件页数: 6/29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 13 of 28
3.0
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
03051-A
-013
VREF (V)
CHANGE
IN
DNL
(LS
B
)
POSITIVE DNL
NEGATIVE DNL
Figure 13. Change in DNL vs. VREF for the AD7450A for VDD = 5 V
2.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
2.0
2.2
2.5
03051-A
-014
VREF (V)
CHANGE
IN
DNL
(LS
B
)
POSITIVE DNL
NEGATIVE DNL
Figure 14. Change in DNL vs. VREF for the AD7450A for VDD = 3 V
5
–5
–4
–3
–2
–1
0
1
2
3
4
0
0.5
1.0
1.5
2.5
2.0
3.0
3.5
03051-A
-015
VREF (V)
CHANGE
IN
INL
(LS
B
)
POSITIVE INL
NEGATIVE INL
Figure 15. Change in INL vs. VREF for the AD7450A for VDD = 5 V
2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
2.0
2.2
2.5
03051-A
-016
VREF (V)
CHANGE
IN
INL
(LS
B
)
POSITIVE INL
NEGATIVE INL
Figure 16. Change in INL vs. VREF for the AD7450A for VDD = 3 V
8
0
1
2
3
4
5
6
7
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
03051-A
-017
VREF (V)
ZE
RO-CODE
E
RROR
(LS
B
)
VDD = 5V
VDD = 3V
Figure 17. Change in Zero-Code Error vs. Reference Voltage for
VDD = 5 V and 3 V for the AD7450A
12.0
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
03051-A
-018
VREF (V)
E
FFE
CTIV
E
NUMBE
R
OF
BITS
VDD = 5V
VDD = 3V
Figure 18. Change in ENOB vs. Reference Voltage for VDD = 5 V and 3 V
for the AD7450A
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