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參數(shù)資料
| 型號： | ADS7821UB |
| 英文描述： | 16-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER |
| 中文描述： | 16位10ms的采樣CMOS模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 280K |
| 代理商： | ADS7821UB |
2
ADS7821
SPECIFICATIONS
ELECTRICAL
T
A
= –25
°
C to +85
°
C, f
S
= 100kHz, V
DIG
= V
ANA
= V
D
= +5V, using external reference, unless otherwise specified.
ADS7821P, U
ADS7821PB, UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
Parallel 16 bits
Straight Binary
+0.4
RESOLUTION
16
,
Bits
ANALOG INPUT
Voltage Range
Impedance
Capacitance
0 to +5
10
35
,
,
,
V
k
pF
THROUGHPUT SPEED
Conversion Cycle
Throughput Rate
Acquire and Convert
10
,
μ
s
kHz
100
,
DC ACCURACY
Integral Linearity Error
No Missing Codes
Transition Noise
(2)
Full Scale Error
(3,4)
Full Scale Error Drift
Full Scale Error
(3,4)
Full Scale Error Drift
Offset Error
Offset Error Drift
Power Supply Sensitivity
(V
DIG
= V
ANA
= V
D
)
±
4
±
3
LSB
(1)
Bits
LSB
%
ppm/
°
C
%
ppm/
°
C
mV
ppm/
°
C
LSB
15
16
0.9
,
±
0.5
±
0.25
±
2
,
Internal Reference
Internal Reference
±
0.5
±
0.25
±
7
±
5
±
8
±
4
±
2
,
+4.75V < V
D
< +5.25V
±
12
±
8
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
f
IN
= 20kHz
f
IN
= 20kHz
f
IN
= 20kHz
f
IN
= –60dB Input
f
IN
= 20kHz
90
94
dB
(5)
dB
dB
dB
dB
kHz
–90
–94
83
86
28
30
Signal-to-Noise
Full-Power Bandwidth
(6)
83
86
250
,
SAMPLING DYNAMICS
Aperture Delay
Transient Response
Overvoltage Recovery
(7)
40
,
ns
μ
s
ns
FS Step
2
,
150
,
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer)
Internal Reference Drift
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
2.48
2.5
1
2.52
,
,
,
,
V
μ
A
8
,
,
ppm/
°
C
V
2.3
2.5
2.7
,
,
Ext. 2.5000V Ref
100
,
μ
A
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
–0.3
+2.0
+0.8
,
,
,
,
,
,
V
V
μ
A
μ
A
V
D
+0.3V
±
10
±
10
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
Leakage Current
I
SINK
= 1.6mA
I
SOURCE
= 500
μ
A
V
OUT
= 0V to V
DIG
,
V
V
μ
A
+4
,
±
5
,
Output Capacitance
15
,
pF
DIGITAL TIMING
Bus Access Time
Bus Relinquish Time
83
83
,
,
ns
ns
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ADS7822 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7822B | 制造商:BB 制造商全稱:BB 功能描述:12-Bit High Speed 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7822C | 制造商:BB 制造商全稱:BB 功能描述:12-Bit High Speed 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7822CIDGKRAN | 制造商:Texas Instruments 功能描述: |
| ADS7822E | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER |
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