AD7746ARUZ
Capacitance to Digital Converter 0.09ksps 24bit 16-Pin TSSOP Tube
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Part Number : AD7746ARUZ
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Package/Case : TSSOP-16
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Brands : Analog Devices
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Components Categories : ADCs/DACs - Special Purpose
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Datesheet : AD7746ARUZ DataSheet (PDF)
Overview of AD7746ARUZ
The AD7745 has one capacitance input channel, while the AD7746 has two channels. Each channel can be configured as single-ended or differential. The AD7745/AD7746 are designed for floating capacitive sensors. For capacitive sensors with one plate connected to ground, the AD7747 is recommended.
Key Features
- 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
Application
- Pressure Measurement
- Position Sensors
- Level Sensors
- Flowmeters
- Humidity Sensors
- Impurity Detection
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category | Data Acquisition ADCs/DACs - Specialized | RoHS | Details |
| Series | AD7746 | Mounting Style | SMD/SMT |
| Package / Case | TSSOP-16 | Product | Converters |
| Type | Capacitance to Digital | Resolution | 24 bit |
| Number of Channels | 2 Channel | Supply Voltage - Min | 2.7 V |
| Supply Voltage - Max | 5.25 V | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C | Architecture | Sigma-Delta |
| Brand | Analog Devices | Development Kit | EVAL-AD7746EBZ |
| Height | 1.05 mm | Input Type | Single-Ended |
| Interface Type | Serial, 2-Wire, I2C | Length | 5 mm |
| Pd - Power Dissipation | 4.25 mW | Product Type | Data Acquisition ADCs/DACs - Specialized |
| Reference Type | External, Internal | Sampling Rate | 90 S/s |
| Factory Pack Quantity | 96 | Subcategory | Data Converter ICs |
| Width | 4.4 mm | Unit Weight | 0.006102 oz |
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Warranty, Returns, and Additional Information
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Returns for refund: within 90 days
Returns for Exchange: within 90 days
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