Datasheet LTC2444, LTC2445, LTC2448, LTC2449 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 24-Bit High Speed 8-/16-Channel ∆∑ ADCs with Selectable Speed/Resolution |
| Pages / Page | 30 / 2 — absoluTe MaxiMuM raTings (Notes 1, 2). pin conFiguraTion |
| File Format / Size | PDF / 350 Kb |
| Document Language | English |
absoluTe MaxiMuM raTings (Notes 1, 2). pin conFiguraTion
Model Line for this Datasheet
- LTC2444CUHF#PBF LTC2444CUHF#PBF LTC2444CUHF#TRPBF LTC2444CUHF#TRPBF LTC2444IUHF#PBF LTC2444IUHF#PBF LTC2444IUHF#TRPBF LTC2444IUHF#TRPBF
- LTC2445CUHF#PBF LTC2445CUHF#PBF LTC2445CUHF#TRPBF LTC2445CUHF#TRPBF LTC2445IUHF#PBF LTC2445IUHF#PBF LTC2445IUHF#TRPBF LTC2445IUHF#TRPBF
Text Version of Document
LTC2444/LTC2445/ LTC2448/LTC2449
absoluTe MaxiMuM raTings (Notes 1, 2)
Supply Voltage (VCC) to GND ...–0.3V to 6V Operating Temperature Range Analog Input Pins Voltage LTC2444C/LTC2445C/ to GND ..–0.3V to (VCC + 0.3V) LTC2448C/LTC2449C ... 0°C to 70°C Reference Input Pins Voltage LTC2444I/LTC2445I/ to GND ..–0.3V to (VCC + 0.3V) LTC2448I/LTC2449I ...–40°C to 85°C Digital Input Voltage to GND ...–0.3V to (VCC + 0.3V) Storage Temperature Range .. –65°C to 150°C Digital Output Voltage to GND ...–0.3V to (VCC + 0.3V)
pin conFiguraTion
LTC2444 LTC2445 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REF– BUSY 2 30 REF– EXT 3 29 REF+ EXT 3 29 REF+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 39 26 NC GND 6 39 26 ADCINN COM 7 25 NC COM 7 25 ADCINP NC 8 24 NC NC 8 24 MUXOUTP CH0 9 23 NC CH0 9 23 NC CH1 10 22 CH7 CH1 10 22 CH7 NC 11 21 CH6 NC 11 21 CH6 NC 12 20 NC NC 12 20 NC 13 14 15 16 17 18 19 13 14 15 16 17 18 19 CH2 CH3 NC NC CH4 CH5 NC CH2 CH3 NC NC CH4 CH5 NC UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB LTC2448 LTC2449 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REF– BUSY 2 30 REF– EXT 3 29 REF+ EXT 3 29 REF+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 39 26 NC GND 6 39 26 ADCINN COM 7 25 NC COM 7 25 ADCINP CH0 8 24 NC CH0 8 24 MUXOUTP CH1 9 23 CH15 CH1 9 23 CH15 CH2 10 22 CH14 CH2 10 22 CH14 CH3 11 21 CH13 CH3 11 21 CH13 CH4 12 20 CH12 CH4 12 20 CH12 13 14 15 16 17 18 19 13 14 15 16 17 18 19 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH5 CH6 CH7 CH8 CH9 CH10 CH11 UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 2444589fc 2 For more information www.linear.com/LTC2444 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Pin Functions Functional Block Diagram Test Circuit Applications Information Package Description Revision History Typical Application Related Parts
absoluTe MaxiMuM raTings (Notes 1, 2)
Supply Voltage (VCC) to GND ...–0.3V to 6V Operating Temperature Range Analog Input Pins Voltage LTC2444C/LTC2445C/ to GND ..–0.3V to (VCC + 0.3V) LTC2448C/LTC2449C ... 0°C to 70°C Reference Input Pins Voltage LTC2444I/LTC2445I/ to GND ..–0.3V to (VCC + 0.3V) LTC2448I/LTC2449I ...–40°C to 85°C Digital Input Voltage to GND ...–0.3V to (VCC + 0.3V) Storage Temperature Range .. –65°C to 150°C Digital Output Voltage to GND ...–0.3V to (VCC + 0.3V)
pin conFiguraTion
LTC2444 LTC2445 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REF– BUSY 2 30 REF– EXT 3 29 REF+ EXT 3 29 REF+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 39 26 NC GND 6 39 26 ADCINN COM 7 25 NC COM 7 25 ADCINP NC 8 24 NC NC 8 24 MUXOUTP CH0 9 23 NC CH0 9 23 NC CH1 10 22 CH7 CH1 10 22 CH7 NC 11 21 CH6 NC 11 21 CH6 NC 12 20 NC NC 12 20 NC 13 14 15 16 17 18 19 13 14 15 16 17 18 19 CH2 CH3 NC NC CH4 CH5 NC CH2 CH3 NC NC CH4 CH5 NC UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB LTC2448 LTC2449 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REF– BUSY 2 30 REF– EXT 3 29 REF+ EXT 3 29 REF+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 39 26 NC GND 6 39 26 ADCINN COM 7 25 NC COM 7 25 ADCINP CH0 8 24 NC CH0 8 24 MUXOUTP CH1 9 23 CH15 CH1 9 23 CH15 CH2 10 22 CH14 CH2 10 22 CH14 CH3 11 21 CH13 CH3 11 21 CH13 CH4 12 20 CH12 CH4 12 20 CH12 13 14 15 16 17 18 19 13 14 15 16 17 18 19 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH5 CH6 CH7 CH8 CH9 CH10 CH11 UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 2444589fc 2 For more information www.linear.com/LTC2444 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Pin Functions Functional Block Diagram Test Circuit Applications Information Package Description Revision History Typical Application Related Parts
