VREF (V) 1.5 0 0.5 1.0 1.5 2.0 2.5 CHANGE IN DNL (" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� AD7452BRT-R2
寤犲晢锛� Analog Devices Inc
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 4/29闋�(y猫)
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC ADC 12BIT 555KSPS SOT23-8
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 1
浣嶆暩(sh霉)锛� 12
閲囨ǎ鐜囷紙姣忕锛夛細 555k
鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� DSP锛孧ICROWIRE?锛孮SPI?锛屼覆琛�锛孲PI?
杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩細 1
鍔熺巼鑰楁暎锛堟渶澶э級锛� 7.25mW
闆诲闆绘簮锛� 鍠浕婧�
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤�(l猫i)鍨嬶細 琛ㄩ潰璨艰
灏佽/澶栨锛� SOT-23-8
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 SOT-23-8
鍖呰锛� 鍓垏甯� (CT)
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鍏跺畠鍚嶇ū(ch膿ng)锛� AD7452BRT-R2CT
AD7452
Rev. B | Page 11 of 28
VREF (V)
1.5
0
0.5
1.0
1.5
2.0
2.5
CHANGE
IN
DNL
(LS
B
)
1.0
0.5
0
鈥�0.5
鈥�1.0
3.0
3.5
2.0
2.5
3.0
POSITIVE DNL
NEGATIVE DNL
03154-A
-011
Figure 11. Change in DNL vs. VREF for VDD = 5 V
VREF (V)
1.5
0
0.5
1.0
1.5
2.0
2.5
CHANGE
IN
DNL
(LS
B
)
1.0
0.5
0
鈥�0.5
鈥�1.0
2.0
2.5
POSITIVE DNL
NEGATIVE DNL
2.2
03154-A
-012
Figure 12. Change in DNL vs. VREF for VDD = 3 V
VREF (V)
0
0.5
1.0
1.5
2.0
2.5
CHANGE
IN
INL
(LS
B
)
鈥�1
鈥�2
鈥�3
鈥�4
鈥�5
3.0
3.5
1
2
3
POSITIVE INL
NEGATIVE INL
4
5
03154-A
-013
Figure 13. Change in INL vs. VREF for VDD = 5 V
VREF (V)
1.0
0
0.5
1.0
1.5
2.0
CHANGE
IN
INL
(LS
B
)
0.5
0
鈥�0.5
鈥�1.5
鈥�2.0
1.5
2.0
POSITIVE INL
NEGATIVE INL
2.2
2.5
03154-A
-014
Figure 14. Change in INL vs. VREF for VDD = 3 V
VREF (V)
5
0
0.5
1.0
1.5
2.0
2.5
ZE
RO-CODE
E
RROR
(LS
B
)
4
3
2
1
0
3.0
3.5
6
7
8
VDD = 5V
VDD = 3V
03154-A
-015
Figure 15. Change in Zero-Code Error vs. Reference Voltage VDD = 5 V and 3 V
VREF (V)
9.5
0
0.5
1.0
1.5
2.0
2.5
E
FFE
CTIV
E
NUMBE
R
OF
BITS
9.0
8.5
8.0
7.5
7.0
3.0
3.5
10.0
10.5
11.0
VDD = 3V
VDD = 5V
11.5
12.0
03154-A
-016
Figure 16. Change in ENOB vs. Reference Voltage VDD = 5 V and 3 V
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