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參數(shù)資料
| 型號： | AD7824 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Speed 4-Channel 8-Bit ADC(四通道LC2MOS高速8位A/D轉(zhuǎn)換器) |
| 中文描述： | 高速4通道8位ADC（四通道LC2MOS高速8位的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 273K |
| 代理商： | AD7824 |
REV. C
–2–
AD7824/AD7828–SPECIFICATIONS
(V
DD
= +5 V, V
REF
(+) = +5 V, V
REF
(–) = GND = OV unless otherwse
noted. All specifications T
MN
to T
MAX
unless otherwse noted. Specifications apply for Mode 0.)
Parameter
K Version
1
L Version
B, T Versions
C, U Versions Units
Conditions/Comments
ACCURACY
Resolution
T otal Unadjusted Error
2
Minimum Resolution for which
No Missing Codes Are Guaranteed 8
Channel-to-Channel Mismatch
8
±
1
8
±
1/2
8
±
1
8
±
1/2
Bits
LSB max
8
±
1/4
8
±
1/4
8
±
1/4
Bits
LSB max
±
1/4
REFERENCE INPUT
Input Resistance
V
REF
(+) Input Voltage Range
1.0/4.0
V
REF
(–)/
V
DD
GND/
V
REF
(+)
1.0/4.0
V
REF
(–)/
V
DD
GND/
V
REF
(+)
1.0/4.0
V
REF
(–)/
V
DD
GND/
V
REF
(+)
1.0/4.0
V
REF
(–)/
V
DD
GND/
V
REF
(+)
k
min/k
max
V min/V max
V
REF
(–) Input Voltage Range
V min/V max
ANALOG INPUT
Input Voltage Range
V
REF
(–)/
V
REF
(+)
±
3
45
V
REF
(–)/
V
REF
(+)
±
3
45
V
REF
(–)/
V
REF
(+)
±
3
45
V
REF
(– )/
V
REF
(+)
±
3
45
V min/V max
Input Leakage Current
Input Capacitance
3
μ
A max
pF typ
Analog Input Any Channel
0 V to +5 V
LOGIC INPUT S
RD
,
CS
, A0, A1 & A2
V
INH
V
INL
I
INH
I
INL
Input Capacitance
3
2.4
0.8
1
–1
8
2.4
0.8
1
–1
8
2.4
0.8
1
–1
8
2.4
0.8
1
–1
8
V min
V max
μ
A max
μ
A max
pF max
T ypically 5 pF
LOGIC OUT PUT S
DB0–DB7 &
INT
V
OH
V
OL
I
OUT
(DB0–DB7)
Output Capacitance
3
RDY
V
OL4
I
OUT
Output Capacitance
4.0
0.4
±
3
8
4.0
0.4
±
3
8
4.0
0.4
±
3
8
4.0
0.4
±
3
8
V min
V max
μ
A max
pF max
I
SOURCE
= 360
μ
A
I
SINK
= 1.6 mA
Floating State Leakage
T ypically 5 pF
0.4
±
3
8
0.4
±
3
8
0.4
±
3
8
0.4
±
3
8
V max
μ
A max
pF max
I
SINK
= 2.6 mA
Floating State Leakage
T ypically 5 pF
SLEW RAT E, T RACK ING
3
0.7
0.157
0.7
0.157
0.7
0.157
0.7
0.157
V/
μ
s typ
V/
μ
s max
POWER SUPPLY
V
DD
5
5
5
5
Volts
±
5% for Specified
Performance
CS
=
RD
= 2.4 V
I
DD5
Power Dissipation
16
50
80
±
1/4
16
50
80
±
1/4
20
50
100
±
1/4
20
50
100
±
1/4
mA max
mW typ
mW max
LSB max
Power Supply Sensitivity
±
1/16 LSB typ
V
DD
= 5 V
±
5%
NOT ES
1
T emperature ranges are as follows:
K , L Versions; 0
°
C to +70
°
C
B, C Versions; –40
°
C to +85
°
C
T , U Versions; –55
°
C to +125
°
C
2
T otal Unadjusted Error includes offset, full-scale and linearity errors.
3
Sample tested at +25
°
C by Product Assurance to ensure compliance.
4
RDY is an open drain output.
5
See T ypical Performance Characteristics.
Specifications subject to change without notice.
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