參數(shù)資料
型號(hào): EVAL-AD7992EBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/29頁(yè)
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7992
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 188k
數(shù)據(jù)接口: I²C,串行
輸入范圍: 0 ~ VREF
在以下條件下的電源(標(biāo)準(zhǔn)): 7.7mW @ 188kSPS,5.5 V
工作溫度: -40°C ~ 125°C
已用 IC / 零件: AD7992
已供物品: 板,線纜
AD7992
Rev. 0 | Page 11 of 28
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
INL
E
RROR
(LS
B
)
2000
1500
500
1000
0
2500
3000
3500
4000
CODE
03263-0-016
Figure 10. Typical INL, VDD = 2.7 V, Reference = 2.5 V, Mode1,
3.4 MHz fSCL , 121 kSPS
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
DNL
E
RROR
(LS
B
)
2000
1500
500
1000
0
2500
3000
3500
4000
CODE
03263-0-017
Figure 11. Typical DNL, VDD = 2.7 V, Reference = 2.5 V, Mode 1,
3.4 MHz fSCL, 121 kSPS
INL
E
RROR
(LS
B
)
REFERENCE VOLTAGE (V)
03263-0-030
–1.0
–0.8
-0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
1.7
2.2
2.7
3.2
3.7
4.2
4.7
POSITIVE INL
NEGATIVE INL
Figure 12. Change in INL vs. Reference Voltage, VDD = 5 V, Mode 1, 121 kSPS
DNL
E
RROR
(LS
B
)
REFERENCE VOLTAGE (V)
03263-0-031
–1.0
–0.8
-0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
1.7
2.2
2.7
3.2
3.7
4.2
4.7
POSITIVE DNL
NEGATIVE DNL
Figure 13. Change in DNL vs. Reference Voltage, VDD = 5 V, Mode 1, 121 kSPS
S
U
P
L
Y
CURRE
NT
(mA)
SUPPLY VOLTAGE (V)
03263-0-032
0
0.0001
0.0002
0.0003
0.0004
0.0005
0.0006
0.0007
2.7
3.2
3.7
4.2
4.7
5.2
+25
°C
+85
°C
–40
°C
Figure 14. Shutdown Current vs. Supply Voltage, –40°C, +25°C, and +85°C
S
U
P
L
Y
CURRE
NT
(mA)
SCL FREQUENCY (kHz)
03263-0-033
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
100
600
1100
1600
2100
2600
3100
MODE 1
VDD = 5V
MODE 1
VDD = 3V
MODE 2
VDD = 5V
MODE 2
VDD = 3V
Figure 15. Average Supply Current vs. I2C Bus Rate for VDD = 3 V and 5 V
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