參數(shù)資料
型號： EVAL-AD7329CBZ
廠商： Analog Devices Inc
文件頁數(shù)： 29/41頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD7329CBZ
標(biāo)準(zhǔn)包裝： 1
系列： iCMOS®
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 1M
數(shù)據(jù)接口： 串行
輸入范圍： ±10 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 30mW @ 1MSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7329
已供物品： 板
相關(guān)產(chǎn)品： AD7329BRUZ-REEL7-ND - IC ADC 12BIT+SAR 8CHAN 24-TSSOP
AD7329BRUZ-REEL-ND - IC ADC 12BIT+SAR 8CHAN 24-TSSOP
AD7329BRUZ-ND - IC ADC 12BIT 8CH MUX SPI 24TSSOP
AD7329
Data Sheet
Rev. B | Page 34 of 40
POWER VS. THROUGHPUT RATE
The power consumption of the AD7329 varies with throughput
rate. The static power consumed by the AD7329 is very low, and
significant power savings can be achieved as the throughput rate is
reduced. Figure 55 and Figure 56 show the power vs. throughput
rate for the AD7329 at a VCC of 3 V and 5 V, respectively. Both
plots clearly show that the average power consumed by the AD7329
is greatly reduced as the sample frequency is reduced. This is true
whether a fixed SCLK value is used or if the SCLK value is scaled
with the sampling frequency. Figure 55 and Figure 56 show the
power consumption when operating the device in normal mode
for a fixed 20 MHz SCLK and a variable SCLK that scales with
the sampling frequency.
12
0
1100
05402-
050
THROUGHPUT RATE (kSPS)
A
VER
A
G
E
PO
W
ER
(m
W
)
10
8
6
4
2
100
200
300
400
500
600
700
800
900 1000
VARIABLE SCLK
20MHz SCLK
VCC = 3V
VDD = 12V, VSS = –12V
TA = 25°C
INTERNAL REFERENCE
Figure 55. Power vs. Throughput Rate with 3 V VCC
20
0
1000
05402-
051
THROUGHPUT RATE (kHz)
A
VER
A
G
E
PO
W
ER
(m
W
)
18
16
14
12
10
8
6
4
2
100
200
300
400
500
600
700
800
900
20MHz SCLK
VARIABLE SCLK
VCC = 5V
VDD = 12V, VSS = –12V
TA = 25°C
INTERNAL REFERENCE
Figure 56. Power vs. Throughput Rate with 5 V VCC
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