參數(shù)資料
型號: EVAL-AD7323CBZ
廠商: Analog Devices Inc
文件頁數(shù): 26/37頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7323CBZ
標準包裝: 1
系列: iCMOS®
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: 串行
輸入范圍: ±10 V
在以下條件下的電源(標準): 17mW @ 500kSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7323
已供物品:
相關產(chǎn)品: AD7323BRUZ-REEL-ND - IC ADC 12BIT+SAR 4CHAN 16-TSSOP
AD7323BRUZ-REEL7-ND - IC ADC 12BIT+ SAR 4CHAN 16TSSOP
AD7323BRUZ-ND - IC ADC 12BIT+ SAR 4CHAN 16TSSOP
Data Sheet
AD7323
Rev. B | Page 31 of 36
POWER vs. THROUGHPUT RATE
The power consumption of the AD7323 varies with throughput
rate. The static power consumed by the AD7323 is very low, and
significant power savings can be achieved as the throughput
rate is reduced. Figure 49 and Figure 50 shows the power vs.
throughput rate for the AD7323 at a VCC of 3 V and 5 V, respec-
tively. Both plots clearly show that the average power consumed
by the AD7323 is greatly reduced as the sample frequency is
reduced. This is true whether a fixed SCLK value is used or if it
is scaled with the sampling frequency. Figure 49 and Figure 50
show the power consumption when operating in normal mode
for a variable SCLK that scales with the sampling frequency.
12
0
THROUGHPUT RATE (kSPS)
A
VER
A
G
E
PO
W
ER
(m
W
)
10
8
6
4
2
100
200
300
400
500
VARIABLE SCLK
VCC = 3V
VDD/VSS = ±12V
TA = 25°C
INTERNAL REFERENCE
05400-
052
Figure 49. Power vs. Throughput Rate with 3 V VCC
20
0
THROUGHPUT RATE (kSPS)
A
VER
A
G
E
PO
W
ER
(m
W
)
18
16
14
12
10
8
6
4
2
100
200
300
400
500
VARIABLE SCLK
VCC = 5V
VDD/VSS = ±12V
TA = 25°C
INTERNAL REFERENCE
05400-
053
Figure 50. Power vs. Throughput Rate with 5 V VCC
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