Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

AD7785 Fiches technique(PDF) 4 Page - Analog Devices

No de pièce AD7785
Description  3-Channel, Low Noise, Low Power
Download  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7785 Fiches technique(HTML) 4 Page - Analog Devices

  AD7785_15 Datasheet HTML 1Page - Analog Devices AD7785_15 Datasheet HTML 2Page - Analog Devices AD7785_15 Datasheet HTML 3Page - Analog Devices AD7785_15 Datasheet HTML 4Page - Analog Devices AD7785_15 Datasheet HTML 5Page - Analog Devices AD7785_15 Datasheet HTML 6Page - Analog Devices AD7785_15 Datasheet HTML 7Page - Analog Devices AD7785_15 Datasheet HTML 8Page - Analog Devices AD7785_15 Datasheet HTML 9Page - Analog Devices Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 32 page
background image
AD7785
Rev. 0 | Page 4 of 32
Parameter
AD7785B1
Unit
Test Conditions/Comments
REFERENCE
Internal Reference
Internal Reference Initial Accuracy
1.17 ± 0.01%
V min/max
AVDD = 4 V, TA = 25°C
Internal Reference Drift2
4
ppm/°C typ
15
ppm/°C max
Power Supply Rejection
85
dB typ
External Reference
External REFIN Voltage
2.5
V nom
REFIN = REFIN(+)
− REFIN(−)
Reference Voltage Range2
0.1
V min
AVDD
V max
When VREF = AVDD, the differential input must be
limited to 0.9 × VREF /gain if the in-amp is active
Absolute REFIN Voltage Limits2
GND
− 30 mV
V min
AVDD + 30 mV
V max
Average Reference Input Current
400
nA/V typ
Average Reference Input Current
Drift
±0.03
nA/V/°C typ
Normal Mode Rejection
Same as for analog inputs
Common-Mode Rejection
100
dB typ
EXCITATION CURRENT SOURCES
(IEXC1 and IEXC2)
Output Current
10/210/1000
μA nom
Initial Tolerance at 25°C
±5
% typ
Drift
200
ppm/°C typ
Current Matching
±0.5
% typ
Matching between IEXC1 and IEXC2; VOUT = 0 V
Drift Matching
50
ppm/°C typ
Line Regulation (VDD)
2
%/V typ
AVDD = 5 V ± 5%
Load Regulation
0.2
%/V typ
Output Compliance
AVDD
− 0.65
V max
10 μA or 210 μA currents selected
AVDD
− 1.1
V max
1 mA currents selected
GND
− 30 mV
V min
TEMPERATURE SENSOR
Accuracy
Sensitivity
±2
0.81
°C typ
mV/°C typ
Applies if user calibrates the temperature sensor
Applies if user calibrates the temperature sensor
BIAS VOLTAGE GENERATOR
VBIAS
AVDD/2
V nom
VBIAS Generator Start-Up Time
See Figure 10
ms/nF typ
Dependent on the capacitance on the AIN pin
INTERNAL/EXTERNAL CLOCK
Internal Clock
Frequency2
64 ± 3%
kHz min/max
Duty Cycle
50:50
% typ
External Clock
Frequency
64
kHz nom
A 128 kHz external clock can be used if the
divide-by-2 function is used
(Bit CLK1 = CLK0 = 1)
Duty Cycle
45:55 to 55:45
% typ
Applies for external 64 kHz clock; a 128 kHz
clock can have a less stringent duty cycle
LOGIC INPUTS
CS2
VINL, Input Low Voltage
0.8
V max
DVDD = 5 V
VINH, Input High Voltage
0.4
2.0
V max
V min
DVDD = 3 V
DVDD = 3 V or 5 V


Numéro de pièce similaire - AD7785_15

FabricantNo de pièceFiches techniqueDescription
logo
Analog Devices
AD7785 AD-AD7785_17 Datasheet
480Kb / 33P
   3-Channel, Low Noise, Low Power ADC with On-Chip In-Amp and Reference
More results

Description similaire - AD7785_15

FabricantNo de pièceFiches techniqueDescription
logo
Analog Devices
AD7798 AD-AD7798_15 Datasheet
445Kb / 28P
   3-Channel, Low Noise, Low Power
REV. B
AD7799 AD-AD7799_15 Datasheet
445Kb / 28P
   3-Channel, Low Noise, Low Power
REV. B
AD7795 AD-AD7795_15 Datasheet
767Kb / 37P
   6-Channel, Low Noise, Low Power
REV. D
AD7794 AD-AD7794_15 Datasheet
767Kb / 37P
   6-Channel, Low Noise, Low Power
REV. D
ADXL358 AD-ADXL358 Datasheet
1Mb / 16P
   Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometer
Rev. 0
ADXL359 AD-ADXL359 Datasheet
1Mb / 36P
   Low Noise, Low Drift, Low Power 3-Axis MEMS Accelerometer
Rev. 0
ADXL356 AD-ADXL356 Datasheet
1Mb / 42P
   Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers
logo
Intersil Corporation
X9116 INTERSIL-X9116 Datasheet
247Kb / 9P
   Low Noise, Low Power, Low Cost
X93156WM8IZ-2.7T1 INTERSIL-X93156WM8IZ-2.7T1 Datasheet
190Kb / 7P
   Low Noise, Low Power, 3 wire Up/Down, 32 Taps
X9015 INTERSIL-X9015 Datasheet
308Kb / 11P
   Low Noise, Low Power Volatile
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com