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Precision ADCs
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Precision ADCs
Documents AD7091: Can Vdrive be greater than Vdd
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Precision ADCs requires membership for participation - click to join
  • +Documents
  • AD1139: DC level setting applications FAQs
  • AD1556: Filter coefficients FAQs
  • AD1580: Thermal characteristics (Theta data; Max temp; Max power dissipation)
  • +AD1582: FAQs
  • +AD2S1200: FAQs
  • AD2S1205: 68K resistors in AD2S1205 recommended circuit diagram FAQs
  • +AD2S1210: FAQs
  • ADA2200: ACE File format for importing filters FAQs
  • +AD2S80A: FAQs
  • +AD2S1210: Eval Board FAQs
  • AD2S12xx SIN/COS input CMV query
  • AD2S75 replacement part?
  • AD2S82A: Maximum tracking rate.
  • +AD2S83: FAQs
  • +AD2S90: FAQs
  • AD2S99: What is the difference between AD2S99AP and BP versions?
  • AD4110-1: FAQs
  • +AD5940: FAQs
  • +AD598: FAQs
  • +AD650: FAQs
  • AD652_Input Polarity
  • AD654 long-term stability data
  • +AD7091: FAQs
  • -AD7091R: FAQs
    • AD7091: Can Vdrive be greater than Vdd
    • AD7091R Conversion Error After Exiting Power Down Mode
    • AD7091R Conversion Result Change
    • AD7091R IBIS Model LFSCP and MSOP
    • AD7091R IDRIVE current higher than 20uA
    • AD7091R MSB always 0 after each conversion
    • AD7091R SPI question
    • AD7091R: VREF to power others parts of a circuit
    • AD7091R: Second /CONVST pulse occurs before the end of conversion point
    • Are there IBIS models available for the AD7091R LFCSP and MSOP package?
    • Are there ways to reduce the component count associated with a solution containing the      AD7091R-2/4/8?
    • After powering up the AD7091R why does the conversion result change after approximately 60   samples have completed?
    • Why after every conversion of AD7091R is the MSB of the conversion result always “0”?
    • Why the AD7091R ,when I measure the Idrive current during operational mode do I get higher than the 20uA as quoted in the maximum rating in the data sheet?
    • AD7091r: Why when I measure the Idd current during operational mode do I get higher than the 554uA as quoted in the maximum rating in the data sheet?
  • AD711_PDIP package pin 8 connection
  • AD7124: Input Offset
  • +AD7124-4/AD7124-8: FAQs
  • +AD713: FAQs
  • AD7134: FAQs
  • AD7142: Signature capture
  • +AD7147: FAQs
  • AD7148: Effect of water FAQs
  • AD714x: maximum glass thickness that can cover a PCB for Captouch using AD7142/3 or AD7147/8
  • +AD7150 AD7746 level sensing demo
  • +AD7175-2 250kSPS, 24-bit Sigma Delta ADC FAQ
  • +AD7176-2: FAQs
  • +AD7176-2: Channel Scan Rate
  • +AD7190: FAQs
  • AD7192 SPI problems
  • AD7193 + Arduino Tutorial - Thermocouple measurements
  • AD7195: Input impedance in buffered mode
  • AD719x evaluation software Vista and Win 7 compatability
  • AD7266: Timing for analog input selection to CS falling
  • AD7280 AD7280A - can the part work with 3 cells?
  • AD7291 ALERT pin
  • AD7298, SPI at 20Mhz clk interface and t4 timing issues
  • AD7305: Settling time
  • AD7323: output code
  • AD7328: Overoltage protection
  • AD7366-5 SPI problems
  • AD736ARZ Junction temperature
  • AD737 AGC Bandwidth
  • AD7398: Usage of LDAC pins
  • AD7400A:  Can this device accept both differential and single ended inputs, datasheet is not clear?
  • AD7401: SINC3 filtering
  • AD74111: How to interface
  • AD7415: Long-term stability data
  • AD7416: Ambient temperature and PCB temperature
  • +AD7417: FAQs
  • AD7418: I2C interface and maximum conversion rate
  • +AD7450: FAQs
  • +AD7475: FAQs
  • +AD7484: FAQs
  • AD7490: Range Bit
  • AD7492BRUZ: Thermal, Power and weight information
  • +AD75019: FAQs
  • AD7503: J model and K model difference
  • +AD7541A: FAQs
  • AD7546: Glitch perfomance
  • AD7568: Input impedance
  • AD7578:  Reset
  • +AD7606: FAQs
  • AD7606-4: No schematic is provided online or out of box for EVAL-AD7606-4EDZ
  • AD7606B: FAQs
  • AD7606C-18: FAQs
  • AD7608 + SPI problem
  • AD7608, AD7609: Schematic and PCB prints
  • AD7616 Evaluation board in Standalone mode
  • +AD7616-P FAQs
  • +AD7621: FAQs
  • AD7626 Acquisition Time
  • AD7631 power supply problem
  • AD7653: input noise of AD7653
  • AD7654: Analog Input - CONVST goes low
  • +AD7655: FAQs
  • AD7656/ AD7656-1 - grounding considerations
  • AD7656/AD7656-1 - need for RESET
  • AD7656/AD7656-1 - problems even after RESET
  • AD7656/AD7657/AD7658: What order is channel data presented in serial mode, single DOUT line
  • +AD7656: FAQs
  • AD7657-1 DCINA input set-up and hold times & t17 minimum and what is t20?
  • +AD7760: FAQs
  • AD7663: PCB layout
  • +AD7665: FAQs
  • ad7674: Read data when the board is used as a stand-alone board
  • AD7675 conversion time
  • AD7678: Driver
  • AD7682 and AD7688 busy indicator
  • AD7683: Stuck bits
  • AD7684: Stuck bits
  • +AD7685: FAQs
  • AD7688: Using with ADuM1301
  • AD7689 and AD7949 disable internal clock
  • +AD7689: FAQs
  • +AD7690: FAQs
  • AD7691: Vref
  • +AD7705: FAQs
  • AD7706: Operation
  • AD7707:input impedance and currents
  • +AD7708: FAQs
  • +AD7709: FAQs
  • +AD7710: FAQs
  • AD7718_ Thermocouple Application
  • AD7711A: Power Up issue
  • +AD7712: FAQs
  • AD7713: deduct the actual value of the constant current source
  • +AD7714: FAQs
  • AD7714YN: Power up sequence
  • +AD7715: FAQs
  • AD7716: Relationship between SCLK, FCLKIN and resolution
  • AD7719: Clock driven from the port pin
  • AD7720: Gain calibration
  • AD7722: interface
  • AD7725: FSK modulator
  • +AD7730: FAQs
  • +AD7731: FAQs
  • +AD7738: FAQs
  • AD7740 AD7740: maximum input frequency
  • AD7741 evaluation board user guide
  • +AD7745: FAQs
  • AD7745/46/47 addressing for multiple slave devices on I2C bus
  • +AD7746: FAQs
  • AD7747_power down mode
  • +AD7763: FAQs
  • +AD7766 minimum clock MCLK
  • +AD7768: FAQs
  • AD7768/AD7768-4 FAQ - Clock Selection
  • AD777X FAQ: Can Evaluation Board stream data continuously?
  • AD7780 vs AD7781 - load cell excitation
  • AD7785: FAQs
  • AD7787: Burnout currents
  • +AD7788: FAQs
  • +AD7790: FAQs
  • +AD7792: FAQs
  • +AD7793: FAQs
  • +AD7794: FAQs
  • AD7795 calibration
  • AD7798 v AD7710 for precise measurements in presence of external vibration
  • AD7798: Electrostatic experiment of AD7798
  • +AD7799: FAQs
  • +AD780: FAQs
  • AD7809: Protecting the analog outputs
  • AD780S:  Do you have any radiation reports, TID or SEE  for AD780S ?
  • +AD7811: FAQs
  • +AD7812 power-up problem
  • AD7817: clock rate
  • AD7819: LSB is on DB0
  • AD7821: Overvoltage protection at the analog inputs
  • +AD7825: FAQs
  • +AD7829: FAQs
  • AD7835: Influence of the power supply
  • AD7849: critical item for power supplies
  • AD7851 evaluation board
  • AD7854 evaluation board
  • +AD7856: FAQs
  • AD7858: Channel Switching and Software Conversion
  • +AD7859: FAQs
  • +AD7864: FAQs
  • AD7865: Multiple CONVST
  • AD7872: Grounding
  • AD7874: Power supply sequencing
  • AD7887: Overvoltage protection
  • AD7887: Using the interal reference
  • +AD7888: FAQs
  • AD7891-1: First conversion is incorrect
  • +AD7891: FAQs
  • AD7892: Overvoltage protection
  • AD7895: Leakage current
  • AD7896: BUSY indicator staying High
  • AD7899 - CS and RD tied permanently low
  • AD7921 IBIS model
  • AD7927: Vdrive voltage
  • +AD7938: FAQs
  • AD7949 input configurations
  • AD7960 LVDS test pattern
  • AD7960 Test Pattern
  • +AD7961: FAQs
  • +AD797: FAQs
  • AD7980 input protection
  • AD7982: Driving the reference input
  • AD7986 External reference (Vref) typo? and connection queries
  • +AD7988-1: FAQs
  • AD7993 keeps reading same channel
  • +AD7994: FAQs
  • AD7997 and specific temperature for leakage current info
  • AD7998: Unused control pin
  • +ADA2200: FAQs
  • +ADAS1000: FAQs
  • +ADAS3022: FAQs
  • +ADAS3023: FAQs
  • ADC Channel specs of AD7709
  • +ADC: FAQs
  • ADVFC32_input range
  • Analog to digital converter general: worst case resolution / noise free bits
  • burned out issue of AD7656
  • Long term drift of the AD7792 Reference
  • AD7760: Bypass Digital Filters
  • Can the AD7175-2 be configured to settle in a single cycle?
  • Can you send me the AD7746 Labview Source Code?
  • AD7730: Can't get 24-bit resolution
  • channel selection of AD7655
  • CMRR and PSRR parameter interpretation
  • CMRR of AD7683 and AD7684
  • Common-mode range requirement for the AD7961?
  • Connection of exposed pad in AD7982 LFCSP package
  • Continuous read - start and read sequence
  • Control the Conversion Start
  • CS tied LOW
  • Current consumption on AVdd and Vdrive individually - for power supply dimensioning
  • Current consumption on Vdrive and AVcc
  • DAC selection: Is there a better recommended choice for new design than AD7805?
  • AD7912: FAQs
  • data sheet error. Hold time of A0 and A1 signal during SPI transfert on AD2S1210
  • Datasheet error of AD7760 (Figure 55 Decoupling recommendations))
  • Difference between AD7656 and AD7656-1
  • Difference between AD7924WYRUZ and AD7924BRUZ
  • Difference between part AD2S80ATD/B and AD2S80ATD?
  • Difference between pseudo-differential and single-ended mode of an ADC
  • Direct interface for resolver with AD2S1210
  • Do I need an external pull up resistor on the SDO pin if the Busy Indicator feature is not required?
  • Downloading evaluation software for AD7763 Evaluation Board from CD
  • EVAL-AD7190EBZ Win7 64-bit issue resolution
  • EVAL-AD7606 - High resolution schematics
  • EVAL-AD7606EDZ Schematic
  • EVAL-AD7625FMCZ: External trigger and storage
  • EVAL-AD7719-EBZ Evaluation Board
  • EVAL-AD7732/4/8/9
  • EVAL-AD7746EBZ Evaluation Board Software for Matlab Connection
  • EVAL-AD7746LDZ - Ground electrode connected to liquid
  • EVAL-AD7768 Evaluation Board Quick Start Guide
  • EVAL-AD7768FMCZ FAQ - How can I save sample data to a file?
  • EVAL-ADAS3022EDZ rev D: PCB dimensions
  • evaluation board for the ADAS3023?
  • Example Parity Check on the AD719X family
  • external excitation to AD7746
  • Extending the capacitance input range of AD7747
  • FAQ(AD7380): The AD7380(AD738x family) ADC has an on-chip buffered 2.5V reference. Can this internal reference be use to supply external circuitry?
  • FAQ(AD7380): The AD7380(AD738x) a 16-bit resolution ADC throughput rate is at 4MSPS. When resolution boost is enable allowing 18-bit conversion result. With the additional 2-bits, does the AD7380 would still able to maintain the throughput rate at 4MSPS?
  • +FAQ. In AD7124-4/AD7124-8 Why DOUT and RDY are shared pin?
  • AD7176: Filter Options
  • +AD717x: FAQs
  • +AD719x FAQs
  • AD7722: Time required to settle after a step change in the input
  • +AD7380: FAQs
  • +AD7403: FAQs
  • float the input of AD7606
  • FIT and activation energy for AD7942
  • Gain Drift over time
  • I am not designing a system for functional safety. Are the diagnostics in AD7124-8 still useful?
  • I am not designing a system for functional safety. Are the diagnostics still useful?
  • I2C addressable capacitance-to-digital converter
  • IBIS model available for the ADAS3023
  • If a second /CONVST pulse occurs before the end of conversion point, EOC, what will happen? Will the first request be cancelled and a new conversion begun?
  • Input Signals
  • Interface Not Working
  • Interfacing the AD7768/AD7768-4 to a microcontroller
  • Is an IBIS model available for the AD7124-4?
  • Is it it is possible to use the AD2S1210EVB without the CED1Z ?
  • Is it possible to get a PCB footprint for the AD7091?
  • Is the AD7266 sensitive to SEU (Single Event Upset)?
  • LDC - AD7147 Eval-Board
  • Long Term Drift Bahavior
  • Making the Interface more robust
  • Marking code
  • Max sample size in CN0194
  • Maximum Clock Frequency
  • Measure current/voltage/resistance using an ADC
  • Measure up to 150pF
  • Measuring DC offset in an audio signal
  • Mosfets for AD7195 AC excitation
  • Noise when switching from chop to non-chop mode
  • number of logic gates transistors used
  • Offset & full-scale registers of AD7190
  • Only achieving 10-bits of stable resolution, should be 13-bits or more
  • Output code of AD7321
  • Part number of the EMC Filter in the AD7656EVB
  • Part recommendation
  • Power Supplies
  • Power Supply and Capacitance Issues
  • power up issues
  • Power-On-Reset problem on the AD7812
  • Problem getting the digital interface to work reliably. Part sporadically goes into power down mode.
  • Problem with AD737
  • Problems initiating calibration on AD7730
  • Pros and cons of applying SYNC pulse on AD7195
  • RDC1740/418B
  • Recommended ADC Driver for the AD7091R
  • ADAS3023: Recommended ADC driver, external reference and reference buffer options
  • recommended ADC driver, external reference and reference buffer options?
  • Recommended Sequency to change channels over I2C
  • Reference Options
  • Reliability data of AD7265
  • Reserved (RSV) pins in CFG register = always set to 1
  • Single Micrel FET MIC4427 driver
  • Sink current capability of the SDO pin of AD7879
  • Synchronising multiple AD7768's to achieve simultaneous sampling of more than 8 channels
  • AD7960: Target markets/applications for this product
  • AD7984: Working with true differential input precision SAR ADCs

AD7091: Can Vdrive be greater than Vdd

Revision Creation Date Revision Author
Current Revision 28 Dec 2020 6:05 PM elizabeth.uva
Revision #2 11 Nov 2020 6:17 PM lallison
Revision #1 4 Jun 2018 5:05 PM analog-archivist
  • Compare Versions View current version
 
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