參數(shù)資料
型號(hào): AD7991YRJZ-0RL
廠商: Analog Devices Inc
文件頁數(shù): 5/28頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 4CH I2C SOT23-8
產(chǎn)品變化通告: AD7991,5,9 Offset Error Change 17/Sept/2010
設(shè)計(jì)資源: Using AD8599 as an Ultralow Distortion Driver for the AD7991 (CN0043)
標(biāo)準(zhǔn)包裝: 10,000
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 4.68mW
電壓電源: 單電源
工作溫度: -40°C ~ 125°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: 4 個(gè)單端,單極
配用: EVAL-AD7991EBZ-ND - BOARD EVAL FOR AD7991
AD7991/AD7995/AD7999
Rev. B | Page 13 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
D
N
L
E
RRO
R
(
L
S
B)
CODE
0
500
1000
1500
2000
2500
3000
3500
4000
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
VDD = 2.7V
VREF = 2.35V
fSCL = 1.7MHz
0
64
61
-0
05
Figure 4. DNL Error, VDD = 2.7 V, VREF = 2.35 V, fSCL = 1.7 MHz
Without Clock Stretching
INL
E
RRO
R
(
L
S
B)
CODE
0
500
1000
1500
2000
2500
3000
3500
4000
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
VDD = 2.7V
VREF = 2.35V
fSCL = 1.7MHz
0
64
61
-0
06
Figure 5. INL Error, VDD = 2.7 V, VREF = 2.35 V, fSCL = 1.7 MHz
Without Clock Stretching
12.0
8.0
06
REFERENCE VOLTAGE (V)
E
N
OB
(
B
it
s)
S
IN
AD
(
d
B)
11.5
11.0
10.5
10.0
9.5
9.0
8.5
123
45
60
62
64
66
68
70
72
74
ENOB VDD = 3V
ENOB VDD = 5V
SINAD VDD = 5V
SINAD VDD = 3V
06
46
1-
03
6
Figure 6. ENOB/SINAD vs. Reference Voltage, fSCL = 1.7 MHz
Without Clock Stretching
1.0
–1.0
1.2
REFERENCE VOLTAGE (V)
INL
E
RRO
R
(
L
S
B
)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1.7
2.2
2.7
3.2
3.7
4.2
4.7
NEGATIVE INL
POSITIVE INL
06
46
1-
03
3
Figure 7. INL Error vs. Reference Voltage , fSCL = 1.7 MHz
Without Clock Stretching
1.0
–1.0
1.2
REFERENCE VOLTAGE (V)
D
N
L
E
R
RO
R
(L
S
B
)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1.7
2.2
2.7
3.2
3.7
4.2
4.7
NEGATIVE DNL
POSITIVE DNL
06
46
1-
03
7
Figure 8. DNL Error vs. Reference Voltage, fSCL = 1.7 MHz
Without Clock Stretching
INL
E
R
RO
R
(
L
S
B)
CODE
0
500
1000
1500
2000
2500
3000
3500
4000
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
0
64
61
-01
3
VDD = 5V
VREF = 2.5V
fSCL = 1.7MHz
Figure 9. INL Error, VDD = 5 V, VREF = 2.5 V, fSCL = 1.7 MHz
Without Clock Stretching
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