Ultra-Tiny 16-Bit ∆Σ ADC Family 30Hz/60Hz ADCs with External Reference 2460 2470 2452 2462 2472 2mm × 2mm DFN, 3mm × 2mm DFN, 8-Lead TSOT-23 3mm × 3mm DFN, 12-Lead MSOP 3mm × 3mm DFN, 12-Lead MSOP Single-Ended 2451 2461 2471 Differential 2453 2463 2473 3mm × 3mm DFN, 12-Lead MSOP 3mm × 3mm DFN, 12-Lead MSOP Differential Packages I2C Fast (250Hz/1000Hz) ADCs with 10ppm/°C Reference 2450/ 2450-1 Single-Ended SPI 60Hz ADCs with 10ppm/°C Reference Packages 3mm × 2mm DFN, 8-Lead TSOT-23 LTC2470–LTC2473: Fast, 16-Bit ∆Σ ADCs with 10ppm/°C Reference VREF vs Temperature Features n n n n n n n n n 16-Bit Resolution, No Missing Codes, at Maximum Output Rate (1ksps) Internal, High Accuracy Reference – 10ppm/°C (Max) 0V to 1.25V Single-Ended Input or ±1.25V Differential Inputs Selectable 250sps/1ksps Output Rate 1mV Offset Error, 0.01% Gain Error 3.5mA (Typ) Supply Current 2µA (Max) Sleep Current 2.7V to 5.5V Single Supply Internal Oscillator – No External Components Required Small 12-Lead, 3mm × 3mm DFN and MSOP Packages Applications n n n n n n n 1.2520 REFERENCE OUTPUT VOLTAGE (V) n 1.2515 1.2510 1.2505 1.2500 1.2495 1.2490 1.2485 1.2480 –50 System Monitoring Environmental Monitoring Direct Temperature Measurements Instrumentation Industrial Process Control Data Acquisition Embedded ADC Upgrades L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Easy Drive is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. –30 –10 10 30 50 TEMPERATURE (°C) 70 90 Complete Easy Drive ADC Family Software Compatible 8/16-Channel 2496 2494 2497 2498 2495 2499 5mm × 7mm QFN SPI 2/4-Channel 2488 2486 2489 2492 2487 2493 4mm × 3mm DFN I2C 1-Channel 2482 2480 2483 16 Bits 2484 2481 16 Bits + PGA 3mm × 3mm DFN Pin/Software Compatible 24 Bits Gain from 1 to 256 n 2x Speed Mode n Temperature Sensor n Programmable Rejection n 2485 600nVRMS Noise n 2x Speed Mode n Temperature Sensor n Programmable Rejection n LTC2498: 24-Bit, 16-Channel Easy Drive ∆Σ ADC 2.7V TO 5.5V Features 8 Differential/16 Single-Ended Input Channels Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Current Directly Digitizes High Impedance Sensors with Full Accuracy 600nVRMS Noise Internal Temperature Sensor (2°C Maximum), Internal Oscillator Selectable 50Hz, 60Hz Rejection, Up to 15Hz Output Rate n n n n 0.1µF CH0 CH1 • • • CH7 CH8 • • • CH15 VCC MUXOUT/ ADCIN 16-CHANNEL MUX IN+ 10µF REF+ 24-BIT EASY DRIVE $3 ADC IN– REF– SDI SCK SDO CS 4-WIRE SPI INTERFACE COM n n TEMPERATURE SENSOR fO MUXOUT/ ADCIN OSC www.linear.com/DSADC n 1-800-4-LINEAR 0610