AD7173-8
Low Power, 8-/16-Channel, 31.25 kSPS, 24-Bit, Highly Integrated Sigma-Delta ADC
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- Low power, 8-/16-channel, highly integrated multiplexed analog-to-digital converter (ADC)
- Integration
- Precision analog input buffers and reference input buffers
- 2.5 V precision reference (3.5 ppm/°C)
- Cross point multiplexer (enable system diagnostic)
- 8 full differential or 16 single-ended channels
- Clock oscillator
- GPIO and GPO pins with automatic external mux control
- Fast and flexible output rate: 1.25 SPS to 31.25 kSPS
- Channel scan data rate: 6.21 kSPS/channel (161 μs settling)
- Performance specifications
- 17.5 noise free bits at 31.25 kSPS
- 24 noise free bits at 1.25 SPS
- INL: ±3 ppm/FSR
- 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling
- Operates with either 3.3 V or 5 V supply
- Single supply
- 3.3 V or 5 V AVDD1, 2 V to 5 V AVDD2, and 2 V to 5 V IOVDD
- Optional split supply
- AVDD1 and AVSS ± 2.5 V or AVDD1 and AVSS ± 1.65 V
- Current: 1.4 mA
- Single supply
- 3-/4-wire serial digital interface (Schmitt trigger on SCLK)
- CRC error checking
- SPI, QSPI, MICROWIRE, and DSP compatible
- Package: 40-lead 6 mm × 6 mm LFCSP
- Temperature range: −40°C to +105°C
Fast settling, highly accurate, low power, 8-/16-channel, multiplexed ADC for low bandwidth input signals with integrated input buffers.
Integrated precision, 2.5 V, low drift (3.5 ppm/°C), band gap reference and integrated oscillator.
Eight flexible setups with configurability for output data rate, digital filter mode, offset/gain error correction, reference selection, buffer enables and more. This per channel configurability extends to the output data rate used for each channel when using sinc5 + sinc1 filter.
Sinc5 + sinc1 filter maximizes channel scan rate, and sinc3 filter maximizes resolution and enhanced 50 Hz/60 Hz rejection, with four selectable options to maximize rejection.
Integrated diagnostic features, including CRC, register checksum, temperature sensor, crosspoint multiplexer, burnout currents, and GPIOs/GPOs.
Applications
- Process control: PLC/DCS modules
- Voltage, current, temperature, and pressure measurement
- Flow meters
- Medical and scientific multichannel instrumentation
- Seismic instrumentation
- Chemical analysis instrumentation: chromatography
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AD7173-8
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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AD70/091Z-0-RL | 40-Lead LFCSP (6mm x 6mm w/ EP) |
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AD7173-8BCPZ | 40-Lead LFCSP (6mm x 6mm w/ EP) |
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AD7173-8BCPZ-RL | 40-Lead LFCSP (6mm x 6mm w/ EP) |
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- AD70/091Z-0-RL
- Pin/Package Drawing
- 40-Lead LFCSP (6mm x 6mm w/ EP)
- Documentation
- HTML Material Declaration
- HTML Reliablity Data
- CAD Symbols, Footprints, and 3D Models
- Ultra Librarian
- SamacSys
- AD7173-8BCPZ
- Pin/Package Drawing
- 40-Lead LFCSP (6mm x 6mm w/ EP)
- Documentation
- HTML Material Declaration
- HTML Reliablity Data
- CAD Symbols, Footprints, and 3D Models
- Ultra Librarian
- SamacSys
- AD7173-8BCPZ-RL
- Pin/Package Drawing
- 40-Lead LFCSP (6mm x 6mm w/ EP)
- Documentation
- HTML Material Declaration
- HTML Reliablity Data
- CAD Symbols, Footprints, and 3D Models
- Ultra Librarian
- SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Aug 6, 2014
- 14_0135
Assembly and Test Transfer of AD7173-8, AD7175-8 in 6x6 mm and ADP5051, ADP5053 in 7x7 mm LFCSP to StatsChipPac China
AD7173-8BCPZ
PRODUCTION
AD7173-8BCPZ-RL
PRODUCTION
Feb 25, 2014
- 14_0007
AD7173-8 Data Sheet Update
AD7173-8BCPZ
PRODUCTION
AD7173-8BCPZ-RL
PRODUCTION
Nov 12, 2013
- 13_0232
Assembly and Test Transfer of Select 6x6 and 7x7mm LFCSP Products to STATS ChipPAC China
AD7173-8BCPZ
PRODUCTION
AD7173-8BCPZ-RL
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Aug 6, 2014
- 14_0135
Assembly and Test Transfer of AD7173-8, AD7175-8 in 6x6 mm and ADP5051, ADP5053 in 7x7 mm LFCSP to StatsChipPac China
AD7173-8BCPZ
PRODUCTION
AD7173-8BCPZ-RL
PRODUCTION
Feb 25, 2014
- 14_0007
AD7173-8 Data Sheet Update
Nov 12, 2013
- 13_0232
Assembly and Test Transfer of Select 6x6 and 7x7mm LFCSP Products to STATS ChipPAC China
AD7173-8BCPZ
PRODUCTION
AD7173-8BCPZ-RL
PRODUCTION
Software & Part Ecosystem
Device Drivers
Mbed Support
Mbed is an open source, development environment for ARM microcontrollers.
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EVAL-AD7173-8SDZ
AD7173-8SDZ Evaluation Board
Product Detail
The EVAL-AD7173-8SDZ is a fully featured evaluation kit for the AD7173-8. This board operates in stand alone mode or in conjunction with the System Development Platform, EVAL-SDP-CB1Z . When operated with the System Development Platform software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the System Development Platform . When operated in standalone mode the ADZS-BRKOUT-EX3 break out board is recommended for access to various control pins. The SDP Controller board is a separate list item in the ordering guide below (EVAL-SDP-CB1Z). If you have not previously purchased an SDP Controller board, please do so to ensure a full evaluation setup.
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