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AD7822 데이터시트(PDF) 3 Page - Analog Devices

부품명 AD7822
상세설명  3 V/5 V, 2 MSPS, 8-Bit, 1-, 4-, 8-Channel Sampling ADCs
PDF  20 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD7822 데이터시트(HTML) 3 Page - Analog Devices

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Parameter
Version B
Unit
Test Condition/Comment
CONVERSION RATE
Track/Hold Acquisition Time
200
ns max
See Functional Description Section
Conversion Time
420
ns max
POWER SUPPLY REJECTION
VDD
± 10%
±1
LSB max
POWER REQUIREMENTS
VDD
4.5
V min
5 V
± 10%. For Specified Performance
5.5
V max
VDD
2.7
V min
3 V
± 10%. For Specified Performance
3.3
V max
IDD
Normal Operation
12
mA max
8 mA Typically
Power-Down
5
µA max
Logic Inputs = 0 V or VDD
0.2
µA typ
Power Dissipation
VDD = 3 V
Normal Operation
36
mW max
Typically 24 mW
Power-Down
200 kSPS
9.58
mW typ
500 kSPS
23.94
mW typ
NOTES
1See Terminology section of this data sheet.
2Refer to the Analog Input section for an explanation of the Analog Input(s).
Specifications subject to change without notice.
ORDERING GUIDE
Linearity
Package
Package
Model
Error
Description
Option
AD7822BN
±0.75 LSB
Plastic DIP
N-20
AD7822BR
±0.75 LSB
Small Outline IC
R-20
AD7822BRU
±0.75 LSB
Thin Shrink Small
RU-20
Outline (TSSOP)
AD7825BN
±0.75 LSB
Plastic DIP
N-24
AD7825BR
±0.75 LSB
Small Outline IC
R-24
AD7825BRU
±0.75 LSB
Thin Shrink Small
RU-24
Outline (TSSOP)
AD7829BN
±0.75 LSB
Plastic DIP
N-28
AD7829BR
±0.75 LSB
Small Outline IC
R-28
AD7829BRU
±0.75 LSB
Thin Shrink Small
RU-28
Outline (TSSOP)
2.1V
IOL
200 A
200 A
IOH
TO
OUTPUT
PIN
CL
50pF
Figure 1. Load Circuit for Access Time and Bus
Relinquish Time
AD7822/AD7825/AD7829
–3–
REV. B



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