Datasheet LTC2309 (Analog Devices) - 26

LTC2309 tYpICAL AppLICAtIOn
Driving the LTC2309 with ±10V Input Signals Using a Precision Attenuator
5V IN OUT 1µF 0.1µF LT1790-2.5 GND 10V 5V 7 8 50k 450k 150k 10µF 0.1µF 9 10 – 4pF 450k 6 100Ω CH0 VDD AD1 AD0 1.7k 1.7k LT1991 1 450k + 47pF 450k CH1 LTC2309 150k 2 CH2 SCL 50k CONTROL ±10V 3 CH3 ANALOG + INPUT 4pF INPUT 12-BIT I2C LOGIC CH4 SDA SIGNAL MUX SAR ADC – PORT (FPGA, CPLD, 4 5 CH5 DSP, ETC) CH6 –10V CH7 INTERNAL 2.5V REF VREF COM 2.2µF REFCOMP GND 0.1µF 10µF 2309 TA02 ReLAteD pARts
PART NUMBER DESCRIPTION COMMENTS
LTC1417 14-Bit, 400ksps Serial ADC 20mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package LTC1468/LTC1469 Single/Dual 90MHz, 22V/µs, 16-Bit Accurate Low Input Offset: 75µV/125µV Op Amps LTC1609 16-Bit, 200ksps Serial ADC 65mW, Configurable Bipolar and Unipolar Input Ranges, 5V Supply LTC1790 Micropower Low Dropout Reference 60µA Supply Current, 10ppm/°C, SOT-23 Package LTC1850/LTC1851 10-Bit/12-Bit, 8-Channel, 1.25Msps ADCs Parallel Output, Programmable MUX and Sequencer, 5V Supply LTC1852/LTC1853 10-Bit/12-Bit, 8-Channel, 400ksps ADCs Parallel Output, Programmable MUX and Sequencer, 3V or 5V Supply LTC1860/LTC1861 12-Bit, 1-/2-Channel 250ksps ADCs in MSOP 850µA at 250ksps, 2µA at 1ksps, SO-8 and MSOP Packages LTC1860L/LTC1861L 3V, 12-bit, 1-/2-Channel 150ksps ADCs 450µA at 150ksps, 10µA at 1ksps, SO-8 and MSOP Packages LTC1863/LTC1867 12-/16-Bit, 8-Channel 200ksps ADCs 6.5mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package LTC1863L/LTC1867L 3V, 12-/16-bit, 8-Channel 175ksps ADCs 2mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package LTC1864/LTC1865 16-Bit, 1-/2-Channel 250ksps ADCs in MSOP 850µA at 250ksps, 2µA at 1ksps, SO-8 and MSOP Packages LTC1864L/LTC1865L 3V, 16-Bit, 1-/2-Channel 150ksps ADCs in MSOP 450µA at 150ksps, 10µA at 1ksps, SO-8 and MSOP Packages LTC2302/LTC2306 12-Bit, 1-/2-Channel 500ksps SPI ADCs in 14mW at 500ksps, Single 5V Supply, Software Compatible with LTC2308 3mm × 3mm DFN LTC2308 12-Bit, 8-Channel 500ksps SPI ADC 5V, Internal Reference, 4mm × 4mm QFN Package, Software Compatible with LTC2302/LTC2306 LTC2453 Easy-to-Use, Ultratiny 16-Bit I2C Delta Sigma ADC 2LSB INL, 50nA Sleep Current, 60Hz Output Rate, 3mm × 2mm DFN Package LTC2487/LTC2489/ 2-/4-Channel Easy Drive™ I2C Delta Sigma ADCs 16-/24 Bits, PGA and Temperature Sensor, 15Hz Output Rate, 4mm × 3mm LTC2493 DFN Packages LTC2495/LTC2497/ 8-/16-Channel Easy Drive I2C Delta Sigma ADCs 16-/24-Bits, PGA and Temperature Sensor, 15Hz Output Rate, 5mm × 7mm LTC2499 QFN Packages 2309fd Linear Technology Corporation LT 0710 REV D • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 2008 Document Outline Features Description Applications Absolute Maximum Ratings Pin Configuration Order Information CONVERTER AND MULTIPLEXER CHARACTERISTICS ANALOG INPUT DYNAMIC ACCURACY INTERNAL REFERENCE CHARACTERISTICS I2C Inputs and Digital Outputs POWER REQUIREMENTS I2C TIMING CHARACTERISTICS ADC TIMING CHARACTERISTICS Typical Performance Characteristics Pin Functions Functional Block Diagram TIMING DIAGRAM Applications Information Package Description Revision History Typical Application Related Parts