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LTC2436-1 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2436-1 Datasheet(HTML) 1 Page - Linear Technology |
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1 / 28 page  LTC2436-1 1 24361f The LTC ®2436-1 is a 2-channel differential input mi- cropower 16-bit No Latency ∆ΣTM analog-to-digital con- verter with an integrated oscillator. It provides 0.5LSB INL and 800nV RMS noise independent of VREF. The two differential channels convert alternately with a channel identification included in the conversion result. It uses delta-sigma technology and provides single conversion settling of the digital filter. Through a single pin, the LTC2436-1 can be configured for better than 87dB input differential mode rejection at 50Hz and 60Hz ±2%, or it can be driven by an external oscillator for a user defined rejection frequency. The internal oscillator requires no external frequency setting components. The converter accepts any external differential reference voltage from 0.1V to VCC for flexible ratiometric and remote sensing measurement configurations. The full- scale differential input range is from – 0.5 • VREF to 0.5 • VREF. The reference common mode voltage, VREFCM, and the input common mode voltage, VINCM, may be indepen- dently set anywhere between GND and VCC. The DC common mode input rejection is better than 140dB. The LTC2436-1 communicates through a flexible 3-wire digital interface which is compatible with SPI and MICROWIRE TM protocols. s Direct Sensor Digitizer s Weight Scales s Direct Temperature Measurement s Gas Analyzers s Strain-Gage Transducers s Instrumentation s Data Acquisition s Industrial Process Control , LTC and LT are registered trademarks of Linear Technology Corporation. s 2-Channel Differential Input with Automatic Channel Selection (Ping-Pong) s Low Supply Current: 200 µA, 4µA in Autosleep s Differential Input and Differential Reference with GND to VCC Common Mode Range s 0.12LSB INL, No Missing Codes s 0.16LSB Full-Scale Error and 0.006LSB Offset s 800nV RMS Noise, Independent of VREF s No Latency: Digital Filter Settles in a Single Cycle and Each Channel Conversion is Accurate s Internal Oscillator—No External Components Required s 87dB Min, 50Hz and 60Hz Notch Filter s Narrow SSOP-16 Package s Single Supply 2.7V to 5.5V Operation s Pin Compatible with the 24-Bit LTC2412 2-Channel Differential Input 16-Bit No Latency ∆Σ ADC No Latency ∆Σ is a trademark of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. Effective Resolution vs VREF DESCRIPTIO FEATURES APPLICATIO S TYPICAL APPLICATIO VCC REF+ FO CH0+ CH0– SCK REF– CH1+ SDO GND CS 114 4 13 3 5 THERMOCOUPLE 6 CH1– 7 12 8, 9, 10, 15, 16 11 24361 TA01 2 = EXTERNAL CLOCK SOURCE = INTERNAL OSC/SIMULTANEOUS 50Hz/60Hz REJECTION 3-WIRE SPI INTERFACE 1 µF (100mV) 4.9k 100 Ω 5V REF LTC2436-1 VREF (V) 0 *COMBINES EFFECTS OF PEAK-TO-PEAK NOISE AND 16-BIT STEP SIZE (VREF/2 16) 0 10 30 40 50 2 4 5 90 24361 TA02 20 13 60 70 80 |
Similar Part No. - LTC2436-1_15 |
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Similar Description - LTC2436-1_15 |
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