参数资料
型号: EVAL-AD7321CBZ
厂商: Analog Devices Inc
文件页数: 35/37页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7321
标准包装: 1
系列: iCMOS®
ADC 的数量: 1
位数: 12
采样率(每秒): 500k
数据接口: 串行
输入范围: ±10 V
在以下条件下的电源(标准): 17mW @ 500kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7321
已供物品: 板,CD
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AD7321
Data Sheet
Rev. B | Page 6 of 36
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
1.6
s
16 SCLK cycles with SCLK = 10 MHz
Track-and-Hold Acquisition
305
ns
Full-scale step input; see the Terminology section
Throughput Rate
500
kSPS
POWER REQUIREMENTS
Digital inputs = 0 V or VDRIVE
VDD
12
16.5
V
VSS
12
16.5
V
VCC
2.7
5.25
V
VDRIVE
2.7
5.25
V
Normal Mode (Static)
0.9
mA
VDD/VSS = ±16.5 V, VCC/VDRIVE = 5.25 V
Normal Mode (Operational)
fSAMPLE = 500 kSPS
IDD
180
A
VDD = 16.5 V
ISS
205
A
VSS = 16.5 V
ICC and IDRIVE
2.2
mA
VCC/VDRIVE = 5.25 V
Autostandby Mode
(Dynamic)
fSAMPLE = 250 kSPS
IDD
100
A
VDD = 16.5 V
ISS
110
A
VSS = 16.5 V
ICC and IDRIVE
0.75
mA
VCC/VDRIVE = 5.25 V
Autoshutdown Mode (Static)
SCLK on or off
IDD
1
A
VDD = 16.5 V
ISS
1
A
VSS = 16.5 V
ICC and IDRIVE
1
A
VCC/VDRIVE = 5.25 V
Full Shutdown Mode
SCLK on or off
IDD
1
A
VDD = 16.5 V
ISS
1
A
VSS = 16.5 V
ICC and IDRIVE
1
A
VCC/VDRIVE = 5.25 V
POWER DISSIPATION
Normal Mode (Operational)
18
mW
VDD = 16.5 V, VSS = 16.5 V, VCC = 5.25 V
Full Shutdown Mode
38.25
W
VDD = 16.5 V, VSS = 16.5 V, VCC = 5.25 V
1
Temperature range is 40°C to +85°C.
2
See the Terminology section.
3
Sample tested during initial release to ensure compliance.
4
For dc accuracy specifications, the LSB size for differential mode is FSR/8192. For single-ended mode/pseudo differential mode, the LSB size is FSR/4096, unless
otherwise noted. FSR is the theoretical difference between the max and min input values.
5
Unipolar 0 V to 10 V range with straight binary output coding.
6
Bipolar range with twos complement output coding.
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