參數(shù)資料
型號(hào)： EVAL-AD7923CB2
廠商： Analog Devices, Inc.
元件分類： ADC
英文描述： 4-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 16-Lead TSSOP
中文描述： 4通道，200 kSPS的，12位序列ADC的16引腳TSSOP
文件頁(yè)數(shù)： 3/20頁(yè)
文件大小： 430K
代理商： EVAL-AD7923CB2
AD7923
–3–
REV. 0
Parameter
B Version
1
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
800
300
300
200
ns max
ns max
ns max
kSPS max
16 SCLK Cycles with SCLK at 20 MHz
Sine Wave Input
Full-Scale Step Input
See Serial Interface Section
Throughput Rate
POWER REQUIREMENTS
AV
DD
V
I
DRIVE
During Conversion
2.7/5.25
2.7/5.25
V min/max
V min/max
Digital I/Ps = 0 V or V
DRIVE
AV
DD
= 4.75 V to 5.25 V, f
SCLK
= 20 MHz
AV
DD
= 2.7 V to 3.6 V, f
SCLK
= 20 MHz
AV
DD
= 2.7 V to 5.25 V, SCLK On or Off
AV
DD
= 4.75 V to 5.25 V, f
SCLK
= 20 MHz
AV
DD
= 2.7 V to 3.6 V, f
SCLK
= 20 MHz
AV
DD
= 4.75 V to 5.25 V, f
SAMPLE
= 200 kSPS
AV
DD
= 2.7 V to 3.6 V, f
SAMPLE
= 200 kSPS
SCLK On or Off (20 nA typ)
SCLK On or Off (20 nA typ)
2.7
2.0
600
1.5
1.2
900
650
0.5
0.5
mA max
mA max
m
A typ
mA max
mA max
m
A typ
m
A typ
m
A max
m
A max
Normal Mode (Static)
Normal Mode (Operational) f
SAMPLE
= 200 kSPS
Using Auto Shutdown Mode f
SAMPLE
= 200 kSPS
Auto Shutdown (Static)
Full Shutdown Mode
Power Dissipation
4
Normal Mode (Operational) f
SAMPLE
= 200 kSPS
7.5
3.6
2.5
1.5
2.5
1.5
mW max
mW max
m
W max
m
W max
m
W max
m
W max
AV
DD
= 5 V, f
SCLK
= 20 MHz
AV
DD
= 3 V, f
SCLK
= 20 MHz
AV
DD
= 5 V
AV
DD
= 3 V
AV
DD
= 5 V
AV
DD
= 3 V
Auto Shutdown (Static)
Full Shutdown Mode
NOTES
1
Temperature ranges as follows: B Version: –40
∞
C to +85
∞
C.
2
See Terminology section.
3
Sample tested @ 25
∞
C to ensure compliance.
4
See Power versus Throughput Rate section.
Specifications subject to change without notice.
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