參數(shù)資料
型號: EVAL-AD7866CB
廠商: Analog Devices, Inc.
英文描述: Dual 1 MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface
中文描述: 雙1 MSPS的12位,雙通道SAR型ADC的串行接口
文件頁數(shù): 3/20頁
文件大?。?/td> 304K
代理商: EVAL-AD7866CB
REV. 0
–3–
AD7866
Parameter
A Version
1
B Version
1
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time
3
Throughput Rate
16
300
1
16
300
1
SCLK cycles
ns max
MSPS max
800 ns with SCLK = 20 MHz
See Serial Interface Section
POWER REQUIREMENTS
V
DD
V
I
DRIVE
Normal Mode (Static)
2.7/5.25
2.7/5.25
2.7/5.25
2.7/5.25
V min/max
V min/max
Digital I/Ps = 0 V or V
DRIVE
V
DD
= 4.75 V to 5.25 V. Add 0.5 mA
Typical if Using Internal Reference
V
DD
= 2.7 V to 3.6 V. Add 0.35 mA
Typical if Using Internal Reference
V
DD
= 4.75 V to 5.25 V. Add 0.5 mA
Typical if Using Internal Reference
V
DD
= 2.7 V to 3.6 V. Add 0.5 mA
Typical if Using Internal Reference
f
S
= 100 kSPS, f
SCLK
= 20 MHz
Add 0.2 mA Typ if Using Internal Reference
(Static) Add 100
μ
A Typical if Using Internal
Reference
SCLK On or Off.
3.1
3.1
mA max
2.8
2.8
mA max
Operational, f
S
= 1 MSPS
4.8
4.8
mA max
3.8
3.8
mA max
Partial Power-Down Mode
1.6
1.6
mA max
Partial Power-Down Mode
560
560
μ
A max
Full Power-Down Mode
Power Dissipation
7
Normal Mode (Operational)
1
1
μ
A max
24
11.4
2.8
1.68
5
3
24
11.4
2.8
1.68
5
3
mW max
mW max
mW max
mW max
μ
W max
μ
W max
V
DD
= 5 V
V
DD
= 3 V
V
DD
= 5 V. SCLK On or Off.
V
DD
= 3 V. SCLK On or Off.
V
DD
= 5 V. SCLK On or Off.
V
DD
= 3 V. SCLK On or Off.
Partial Power-Down (Static)
Full Power-Down (Static)
NOTES
1
Temperature ranges as follows: A, B Versions: –40
°
C to +85
°
C.
2
See Terminology section.
3
Sample tested @ 25
°
C to ensure compliance.
4
External reference range that may be applied at V
REF
, D
CAP
A, or D
CAP
B.
5
Relates to pins V
, D
A, or D
CAP
B.
6
See Reference section for D
A, D
B output impedances.
7
See Power Versus Throughput Rate section.
Specifications subject to change without notice.
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