参数资料
型号: AD7912AUJZ-REEL7
厂商: Analog Devices Inc
文件页数: 6/32页
文件大小: 0K
描述: IC ADC 10BIT DUAL 2CH TSOT-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): 20mW
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 薄型,TSOT-23-8
供应商设备封装: TSOT-23-8
包装: 标准包装
输入数目和类型: 2 个单端,单极
其它名称: AD7912AUJZ-REEL7DKR
AD7912/AD7922
Rev. 0 | Page 14 of 32
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
512
1024
1536
2048
2560
3072
3584
4096
04351-0-045
INL
E
RROR
(LS
B
)
CODE
VDD = 2.7V
FSAMP = 1MSPS
TEMPERATURE = 25
°C
Figure 14. AD7922 INL Performance
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
512
1024
1536
2048
2560
3072
3584
4096
04351-0-046
DNL
E
RROR
(LS
B
)
CODE
VDD = 2.7V
FSAMP = 1MSPS
TEMPERATURE = 25
°C
Figure 15. AD7922 DNL Performance
–20
–30
–40
–50
–60
–70
–80
–90
10
100
1000
04351-0-047
THD
(dB)
FREQUENCY (kHz)
RIN = 500
RIN = 1k
RIN = 100
RIN = 10
RIN = 50
RIN = 0
VDD = 3.6V
Figure 16. THD vs. Analog Input Frequency for Various Source Impedances
–68
–70
–72
–74
–76
–78
–80
–88
–82
–84
–86
10
100
1000
04351-0-048
THD
(dB)
FREQUENCY (kHz)
VDD = 2.35V
VDD = 2.7V
VDD = 4.75V
VDD = 3.6V
VDD = 5.25V
Figure 17. THD vs. Analog Input Frequency for Various Supply Voltages
180
160
140
120
100
80
60
40
20
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
04351-0-049
S
HUTDOWN
CURRE
NT
(nA)
SUPPLY VOLTAGE (V)
TEMP = –40
°C
TEMP = +85
°C
TEMP = +25
°C
Figure 18. Shutdown Current vs. Supply Voltage
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