AD7745ARUZ A/D conversion chip ADC ADI original stock

AD7745ARUZ A/D conversion chip ADC ADI original stock

Product Details

Product Details

Product Description

Product Description
explain
The AD7745/AD7746 is a high resolution, Σ-Δ Capacitive to Digital Converter (CDC). The capacitance to be measured is directly connected to the device input. The architecture has inherent high resolution (24 bit no missing code, up to 21 bit effective resolution), high linearity (± 0.01%), and high precision (± 4 fF factory calibration). The capacitance input range of the AD7745/AD7746 is ± 4pF (change), while it can accept up to 17 pF of common mode capacitance (unchanged), which can be balanced by a programmable on-chip digital capacitance converter (CAPDAC).
The AD7745 has one capacitive input channel and the AD7746 has two channels. Each channel can be configured as a single terminal or a differential. The AD7745/AD7746 is designed for floating capacitive sensors. For capacitive sensors that connect a board to ground, the AD7747 is recommended.
The component has an on-chip temperature sensor with a resolution of 0.1 ° C and an accuracy of ± 2 ° C. The on-chip voltage reference and on-chip clock generator eliminate the need for any external components in capacitive sensor applications. These components have a standard voltage input that, together with the differential reference input, allows easy connection to external temperature sensors such as RTDs, thermistors, or diodes.
The AD7745/AD7746 has a 2-wire, i2c compatible serial interface. Both components can operate on a single power supply from 2.7 V to 5.25 V. They can be specified within the vehicle temperature range of - 40 ° C to+125 ° C and installed in a 16 lead TSSOP package.
FEATURES
Capacitance-to-digital converter
New standard in single chip solutions
Interfaces to single or differential floating sensors
Resolution down to 4 aF (that is, up to 21 ENOB)
Accuracy: 4 fF
Linearity: 0.01%
Common-mode (not changing) capacitance up to 17 pF
Full-scale (changing) capacitance range: ±4 pF
Tolerant of parasitic capacitance to ground up to 60 pF
Update rate: 10 Hz to 90 Hz
Simultaneous 50 Hz and 60 Hz rejection at 16 Hz
Temperature sensor on-chip
Resolution: 0.1°C, accuracy: ±2°C
Voltage input channel
Internal clock oscillator
2-wire serial interface (I2C®-compatible)
Power
2.7 V to 5.25 V single-supply operation
0.7 mA current consumption
Operating temperature: –40°C to +125°C
16-lead TSSOP package
APPLICATIONS
Automotive, industrial, and medical systems for
Pressure measurement
Position sensing
Level sensing
Flowmeters
Humidity sensing
Impurity detection

>> Selflock EPS and Rock Wool Profile Continuous Polyurethane PU Foam Sandwich Wall Panel Cold Roll Forming Making Machine Production Line Price
>> Small Secondary Construction Column Pump 80m3/H Diesel Concrete Trailer Pump for Sale
>> USB Magnetic Cable for Android, Custom Male & Female Pogo Pin USB Cable
>> 800L Agricultural Insecticide and Fertilization Self Propelled Tractor Boom Sprayer
>> 4222002, 4236254, 70992424 Engine Water Pump with Pulley for Perkings
>> Genuine PP Front Rear Car Bumpers For Benz S Class W221 Change To S63 S65 AMG Body Kits With Grille Side Skirt
>> Chinese manufacturer unti-fingerprint air filter end caps
>> HOT SALE plastic seal cake packaging bags zipper top bag food bopp bag Customized logo
>> Front and Rear Air Suspension Shock Absorber for Au-Di R8 Air Strut 420512019al Coil Spring
>> Automatic Poultry Farm Equipment Battery Egg Layer Chicken Cage for Laying Hens
>> 4000W/4kw 12/24/48VDC to 110/220VAC Pure Sine Wave Car Power Inverter, Solar Inverter Factory
>> High-Performance Da66t 100t 3200 7+1 Sheet Metal Bending Machine
>> High Precision Copper Wire Cutting Machine
>> High Density Metal Melting Graphite Crucible for Vacuum Evaporation Coating
>> Waterproof Eco Friendly Material Microfiber Leather PU Synthetic Leather for Making Shoes Handbag Car Seat
>> High Performance Copper Skive Fin Heat Sink
>> YFMB- 540 Semi Automatic Thermal Lamination Laminating Film Machine for A3 Paper
>> Gp Single Cylinder Hydraulic Manufacturers Granite Crusher Basalt Cone Crusher
>> Strong Rigidity in Stock Fanuc System Vmc855 CNC Machining Center
>> Hydraulic Brake Type CNC Shearing Machine for Metal Steel/ Carbon Steel/ Mild
>> Ig541 Clean Agent Fire Extinguishing System, Fire Protection System
>> Qtj4-26D Small Hydraulic Brick Machine
>> New Design CNC Metal Aluminum Profile Bending Machine for Mir Factory Direct Sale LED Profile Bending Machine
>> Forest and Mountain Landscape Oil Painting Canvas Wall Art Modern
>> OEM Innerspring Hybrid Mattress Bedroom Furniture Queen Size Gel Memory Foam Pocket Spring Sprung Roll Bed Mattress
>> UPVC Bend 90/UPVC 90 Degree Bend/UPVC Solvent Weld Fittings
>> Non-Stick Cookware Tempered Furnace Machine Glass Lids for Cookware Production Line
>> Frozen Broccoli High Quality From China Wholesale
>> Popular Brushless 360n. M Electric Cordless Li-ion Battery Power Impact Wrench
>> Innovative Dual-Power Turret CNC Lathe for Processing Different Shaft Parts in a Broad Range of Industries