参数资料
型号: EVAL-AD7324CBZ
厂商: Analog Devices Inc
文件页数: 25/37页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7324CBZ
标准包装: 1
系列: iCMOS®
ADC 的数量: 1
位数: 12
采样率(每秒): 1M
数据接口: 串行
输入范围: ±10 V
在以下条件下的电源(标准): 30mW @ 1MSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7324
已供物品:
相关产品: AD7324BRUZ-REEL-ND - IC ADC 12BIT+SAR 4CHAN 16-TSSOP
AD7324BRUZ-REEL7-ND - IC ADC 12BIT+ SAR 4CHAN 16TSSOP
AD7324BRUZ-ND - IC ADC 12BIT+ SAR 4CHAN 16TSSOP
AD7324
Data Sheet
Rev. B | Page 30 of 36
POWER VS. THROUGHPUT RATE
The power consumption of the AD7324 varies with throughput
rate. The static power consumed by the AD7324 is very low, and
a 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 AD7324 at a VCC of 3 V and 5 V,
respectively. Both plots clearly show that the average power
consumed by the AD7324 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 fixed 20 MHz SCLK and a variable SCLK
that scales with the sampling frequency.
12
0
1100
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/VSS = ±12V
TA = 25°C
INTERNAL REFERENCE
04864-
052
Figure 49. Power vs. Throughput Rate with 3 V VCC
20
0
1000
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/VSS = ±12V
TA = 25°C
INTERNAL REFERENCE
04864-
053
Figure 50. Power vs. Throughput Rate with 5 V VCC
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