EVAL-AD7291SDZ 데이터 시트보기 (PDF) - Analog Devices
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EVAL-AD7291SDZ Datasheet PDF : 28 Pages
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AD7291
Data Sheet
Parameter
Floating State Leakage Current
Floating State Output Capacitance3
TEMPERATURE SENSOR—INTERNAL
Operating Range
Accuracy
Resolution
CONVERSION RATE
Conversion Time
Autocycle Update Rate6
Throughput Rate
POWER REQUIREMENTS
VDD
VDRIVE
ITOTAL7, 8
Normal Mode (Operational)
Normal Mode (Static)
Full Power-Down Mode
Power Dissipation8
Normal Mode (Operational)
Normal Mode (Static)
Full Power-Down Mode
Min
Typ Max
±0.01 ±1
8
Unit1
µA
pF
Test Conditions/Comments
−40
+125
°C
±1 ±2
°C
TA = −40°C to +85°C
±1 ±3
°C
TA = 85°C to 125°C
0.25
°C
LSB size
3.2
μs
50
μs
22.22
kSPS
fSCL = 400 kHz
Digital inputs = 0 V or VDRIVE
2.8
3
3.6
V
1.65
3
3.6
V
2.9 3.5
2.9 3.3
0.3 1.6
1.6 4.5
4.9 12
mA
mA
μA
TA = −40°C to +25°C
μA
TA = >25°C to 85°C
μA
TA = >85°C to 125°C
8.7 10.5
10.4 12.6
10.4 11.9
1.1 5.8
5.8 16.2
17.6 43.2
mW
VDD = 3 V, VDRIVE = 3 V
mW
mW
µW
TA = −40°C to +25°C
µW
TA = >25°C to 85°C
µW
TA = >85°C to 125°C
1 All specifications expressed in decibels are referred to full-scale input, FSR, and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
2 See the Terminology section.
3 Sample tested during initial release to ensure compliance.
4 Refers to Pin VREF specified for 25oC.
5 A correction factor can be required on the temperature sensor results when using an external VREF (see the Temperature Sensor Averaging section).
6 Sampled during initial release to ensure compliance; not subject to production testing.
7 ITOTAL is the total current flowing in VDD and VDRIVE.
8 ITOTAL and power dissipation are specified with VDD = VDRIVE = 3.6 V, unless otherwise noted.
Rev. C | Page 4 of 28
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