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ADAS3022 数据表(PDF) 5 Page - Analog Devices

部件名 ADAS3022
功能描述  16-Bit, 1 MSPS, 8-Channel Data Acquisition System
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADAS3022 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
ADAS3022
Rev. A | Page 5 of 40
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit1
AC Performance
Internal reference
Signal-to-Noise Ratio (SNR)
90.0
93.0
dB
Signal-to-Noise-and-Distortion
(SINAD)
89.5
92.5
dB
Total Harmonic Distortion
−105
dB
Spurious-Free Dynamic Range
(SFDR)
110
dB
INTERNAL REFERENCE
REFx Output Voltage
TA = 25°C
4.088
4.096
4.104
V
REFx Output Current
TA = 25°C
250
µA
REFx Temperature Drift
REFEN = 1
±5
ppm/°C
REFEN = 0
±1
ppm/°C
REFx Line Regulation
AVDD = 5 V ± 5%
Internal Reference
20
µV/V
Buffer Only
4
µV/V
REFIN Output Voltage4
TA = 25°C
2.495
2.500
2.505
V
Turn-On Settling Time
CREFIN, CREF1, CREF2 = 10 µF and 0.1 µF
100
ms
EXTERNAL REFERENCE
Voltage Range
REFx input
4.000
4.096
4.104
V
REFIN input (buffered)
2.5
2.505
V
Current Drain
VREF = 4.096 V
100
µA
TEMPERATURE SENSOR
Output Voltage
TA = 25 °C
275
mV
Temperature Sensitivity
800
µV/°C
DIGITAL INPUTS
Logic Levels
VIL
VIO > 3 V
−0.3
+0.3 × VIO
V
VIH
VIO > 3 V
0.7 × VIO
VIO + 0.3
V
VIL
VIO ≤ 3 V
−0.3
+0.1 × VIO
V
VIH
VIO ≤ 3 V
0.9 × VIO
VIO + 0.3
V
IIL
−1
+1
µA
IIH
−1
+1
µA
DIGITAL OUTPUTS5
Data Format
Twos complement
VOL
ISINK = +500 µA
0.4
V
VOH
ISOURCE = −500 µA
VIO − 0.3
V
POWER SUPPLIES
PD = 0
VIO
1.8
AVDD + 0.3
V
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
VDDH6
VDDH > input voltage + 2.5 V
14.25
15
15.75
V
VSSH6
VSSH < input voltage − 2.5 V
−15.75
−15
−14.25
V
IVDDH
PGIA gain = 0.16
3.0
3.5
mA
PGIA gain = 0.2
3.0
3.5
mA
PGIA gain = 0.4
3.5
4.0
mA
PGIA gain = 0.8
5.0
5.5
mA
PGIA gain = 1.6
8.5
9.5
mA
PGIA gain = 3.2
15.5
17.5
mA
PGIA gain = 6.4
15.5
17.5
mA
All PGIA gains, PD = 1
100
µA



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