參數(shù)資料
型號: AD7466BRM
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝: MO-187-AA, MSOP-8
文件頁數(shù): 7/28頁
文件大小: 959K
代理商: AD7466BRM
AD7466/AD7467/AD7468
Rev. B | Page 15 of 28
1.0
DNL
E
RROR
(LS
B
)
–0.6
–0.4
–0.2
0
0.4
0.2
0.6
0.8
–0.8
0
512
1024
1536
2048
2560
3072
3584
4096
CODE
VDD = 1.8V
TEMP = 25
°C
fIN = 50Hz
fSAMPLE = 100kSPS
02643-015
Figure 15. AD7466 DNL Performance
290
S
U
P
L
Y
CURRE
NT
(
A)
90
115
140
165
190
215
240
265
65
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
SUPPLY VOLTAGE (V)
fSAMPLE = 100kSPS
TEMP = +85
°C
TEMP = –40
°C
TEMP = +25
°C
02643-016
Figure 16. Supply Current vs. Supply Voltage, SCLK 3.4 MHz
560
MAX
IMUM
CURRE
NT
(
A)
140
200
260
320
380
440
500
80
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
SUPPLY VOLTAGE (V)
TEMP = 25
°C
fSCLK = 3.4MHz, fSAMPLE = 200kSPS
fSCLK = 1.2MHz, fSAMPLE = 50kSPS
fSCLK = 2.4MHz, fSAMPLE = 140kSPS
02643-017
Figure 17. Maximum Current vs. Supply Voltage
for Different SCLK Frequencies
2.5
S
HUTDOWN
CURRE
NT
(nA)
0.5
1.0
1.5
2.0
0
1.5
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE (V)
TEMP = +25
°C
TEMP = +85
°C
TEMP = –40
°C
02643-018
Figure 18. Shutdown Current vs. Supply Voltage
1.4
P
O
WE
R
(mW)
0.2
0.4
0.6
1.0
1.2
0.8
0
50
100
150
200
250
THROUGHPUT (kSPS)
TEMP = 25
°C
VDD = 3.0V
VDD = 2.7V
VDD = 2.2V
VDD = 1.8V
02643-019
Figure 19. Power Consumption vs. Throughput Rate, SCLK 3.4 MHz
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