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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2480CDD датащи(PDF) 1 Page - Linear Technology |
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LTC2480CDD датащи(HTML) 1 Page - Linear Technology |
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1 / 40 page  1 LTC2480 2480f ■ Direct Sensor Digitizer ■ Weight Scales ■ Direct Temperature Measurement ■ Strain Gauge Transducers ■ Instrumentation ■ Industrial Process Control ■ DVMs and Meters 16-Bit ∆Σ ADC with Easy Drive Input Current Cancellation ■ Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current ■ Directly Digitizes High Impedance Sensors with Full Accuracy ■ Programmable Gain from 1 to 256 ■ Integrated Temperature Sensor ■ GND to VCC Input/Reference Common Mode Range ■ Programmable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode ■ 2ppm (0.25LSB) INL, No Missing Codes ■ 1ppm Offset and 15ppm Full-Scale Error ■ Selectable 2x Speed Mode (15Hz Using Internal Oscillator) ■ No Latency: Digital Filter Settles in a Single Cycle ■ Single Supply 2.7V to 5.5V Operation ■ Internal Oscillator ■ Available in a Tiny (3mm × 3mm) 10-Lead DFN Package FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO LTC2480 VIN + VREF VCC VCC GND FO VIN – 1 µF SDO 4-WIRE SPI INTERFACE 1 µF 10k IDIFF = 0 10k SCK 2480 TA01 CS SDI SENSE The LTC ®2480combinesa16-bitplussignNoLatency ∆ΣTM analog-to-digital converter with patented Easy Drive TM tech- nology. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buff- ering through automatic cancellation of differential input current. This allows large external source impedances and input signals, with rail-to-rail input range to be directly digi- tized while maintaining exceptional DC accuracy. The LTC2480 includes on-chip programmable gain, a temperature sensor and an oscillator. The LTC2480 can be configured to provide a programmable gain from 1 to 256 in 8 steps, measure an external signal or internal tempera- ture sensor and reject line frequencies. 50Hz, 60Hz or simultaneous 50Hz/60Hz line frequency rejection can be selected as well as a 2x speed-up mode. The LTC2480 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 LTC2480 includes an on-chip trimmed oscil- lator eliminating the need for external crystals or oscilla- tors. Absolute accuracy and low drift are automatically maintained through continuous, transparent, offset and full-scale calibration. RSOURCE (Ω) 1 –20 0 20 1k 100k 2480 TA04 –40 –60 –80 10 100 10k 40 60 80 VCC = 5V VREF = 5V VIN + = 3.75V VIN – = 1.25V FO = GND TA = 25°C CIN = 1µF +FS Error vs RSOURCE at IN+ and IN– , LTC and LT are registered trademarks of Linear Technology Corporation. No Latency ∆Σ and Easy Drive are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Patent Pending. |
Аналогичный номер детали - LTC2480CDD |
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Аналогичное описание - LTC2480CDD |
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