VREF (V) 1.5 0 0.5 1.0 1.5 2.0 2.5 CHANGE IN DNL (" />
參數(shù)資料
型號(hào): AD7452BRTZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 4/29頁
文件大?。?/td> 0K
描述: IC ADC 12BIT DIF 555KSPS SOT23-8
標(biāo)準(zhǔn)包裝: 3,000
位數(shù): 12
采樣率(每秒): 555k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 7.25mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-8
供應(yīng)商設(shè)備封裝: SOT-23-8
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)差分,雙極
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
–0.5
–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
–0.5
–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
)
–1
–2
–3
–4
–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
–0.5
–1.5
–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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