Datasheet LTC2172-12, LTC2171-12, LTC2170-12 (Analog Devices) - 2

LTC2172-12/ LTC2171-12/LTC2170-12
absoluTe MaxiMuM raTings pin conFiguraTion (Notes 1 and 2)
Supply Voltages TOP VIEW VDD , OVDD... –0.3V to 2V + – + – SER Analog Input Voltage (A + – IN , AIN , V DD V DD SENSE GND V REF PAR/ SDO GND OUT1A OUT1A OUT1B OUT1B PAR/SER, SENSE) (Note 3) .. –0.3V to (VDD + 0.2V) 52 51 50 49 48 47 46 45 44 43 42 41 Digital Input Voltage (ENC+, ENC–, CS, A + IN1 1 40 OUT2A+ SDI, SCK) (Note 4) .. –0.3V to 3.9V A – IN1 2 39 OUT2A– SDO (Note 4) ... –0.3V to 3.9V VCM12 3 38 OUT2B+ A + IN2 4 37 OUT2B– Digital Output Voltage .. –0.3V to (OVDD + 0.3V) A – IN2 5 36 DCO+ Operating Temperature Range REFH 6 35 DCO– LTC2172C, LTC2171C, LTC2170C ... 0°C to 70°C REFH 7 53 34 OVDD LTC2172I, LTC2171I, LTC2170I ..–40°C to 85°C REFL 8 GND 33 OGND Storage Temperature Range .. –65°C to 150°C REFL 9 32 FR+ A + IN3 10 31 FR– A – IN3 11 30 OUT3A+ VCM34 12 29 OUT3A– A + IN4 13 28 OUT3B+ A – IN4 14 27 OUT3B– 15 16 17 18 19 20 21 22 23 24 25 26 + – – + – + V DD V DD CS ENC ENC SCK SDI GND OUT4B OUT4B OUT4A OUT4A UKG PACKAGE 52-LEAD (7mm × 8mm) PLASTIC QFN TJMAX = 150°C, θJA = 28°C/W EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2172CUKG-12#PBF LTC2172CUKG-12#TRPBF LTC2172UKG-12 52-Lead (7mm × 8mm) Plastic QFN 0°C to 70°C LTC2172IUKG-12#PBF LTC2172IUKG-12#TRPBF LTC2172UKG-12 52-Lead (7mm × 8mm) Plastic QFN –40°C to 85°C LTC2171CUKG-12#PBF LTC2171CUKG-12#TRPBF LTC2171UKG-12 52-Lead (7mm × 8mm) Plastic QFN 0°C to 70°C LTC2171IUKG-12#PBF LTC2171IUKG-12#TRPBF LTC2171UKG-12 52-Lead (7mm × 8mm) Plastic QFN –40°C to 85°C LTC2170CUKG-12#PBF LTC2170CUKG-12#TRPBF LTC2170UKG-12 52-Lead (7mm × 8mm) Plastic QFN 0°C to 70°C LTC2170IUKG-12#PBF LTC2170IUKG-12#TRPBF LTC2170UKG-12 52-Lead (7mm × 8mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 21721012fb 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts