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製品概要
機能と利点
- Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current
- Directly Digitizes High Impedance Sensors with Full Accuracy
- 600nV RMS Noise, Independent of VREF
- GND to VCC Input/Reference Common Mode Range
- 2-Wire I2C Interface
- Simultaneous 50Hz/60Hz Rejection
- 2ppm (0.25LSB) INL, No Missing Codes
- 1ppm Offset and 15ppm Full-Scale Error
- No Latency: Digital Filter Settles in a Single Cycle
- Single Supply 2.7V to 5.5V Operation
- Internal Oscillator
- Six Addresses Available and One Global Address for Synchronization
- Available in a Tiny (3mm × 3mm) 10-Lead DFN Package
製品概要
The LTC®2483 combines a 16-bit plus sign No Latency ΔΣTM analog-to-digital converter with patented Easy DriveTM technology and I2C digital interface. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current. This allows large external source impedances and input signals, with rail-torail input range to be directly digitized while maintaining exceptional DC accuracy.The LTC2483 allows a wide common mode input range (0V to VCC) independent of the reference voltage. The reference can be as low as 100mV or can be tied directly to VCC. The noise level is 600nV RMS independent of VREF. This allows direct digitization of low level signals with 16- bit accuracy. The LTC2483 includes an on-chip trimmed oscillator, eliminating the need for external crystals or oscillators and provides 87dB rejection of 50Hz and 60Hz line frequency noise. Absolute accuracy and low drift are automatically maintained through continuous, transparent, offset and full-scale calibration.
Applications
- Direct Sensor Digitizer
- Weight Scales
- Direct Temperature Measurement
- Strain Gauge Transducers
- Instrumentation
- Industrial Process Control
- DVMs and Meters
製品ライフサイクル
製造中
この製品ファミリーの1つ以上の型番が生産／供給中です。新規の設計に適していますが、より新しい代替製品を提供している場合があります。
評価キット (1)
ドキュメント
Reliability Data (1)
評価用キット マニュアル (1)
デザイン・ノート (4)
参考資料
Product Selector Card (2)
設計リソース
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.
PCN-PDN Information
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