Datasheet LTC2258-12, LTC2257-12, LTC2256-12 (Analog Devices) - 2

LTC2258-12 LTC2257-12/LTC2256-12
absoluTe MaxiMuM raTings (Notes 1, 2)
Supply Voltages (VDD, OVDD) ... –0.3V to 2V Digital Output Voltage .. –0.3V to (OVDD + 0.3V) Analog Input Voltage (A + – IN , AIN , Operating Temperature Range: PAR/SER, SENSE) (Note 3) .. –0.3V to (VDD + 0.2V) LTC2258C, LTC2257C, LTC2256C .. 0°C to 70°C Digital Input Voltage (ENC+, ENC–, CS, LTC2258I, LTC2257I, LTC2256I ...–40°C to 85°C SDI, SCK) (Note 4) .. –0.3V to 3.9V Storage Temperature Range .. –65°C to 150°C SDO (Note 4) ... –0.3V to 3.9V
pin conFiguraTions
FULL-RATE CMOS OUTPUT MODE DOUBLE DATA RATE CMOS OUTPUT MODE TOP VIEW TOP VIEW V DD SENSE V REF V CM OF DNC D11 D10 D9 D8 V DD SENSE V REF V CM OF DNC D10_11 DNC D8_9 DNC 40 39 38 37 36 35 34 33 32 31 40 39 38 37 36 35 34 33 32 31 A + IN 1 30 D7 A + IN 1 30 D6_7 A – IN 2 29 D6 A – IN 2 29 DNC GND 3 28 CLKOUT+ GND 3 28 CLKOUT+ REFH 4 27 CLKOUT– REFH 4 27 CLKOUT– REFH 5 26 OV REFH 41 DD 5 26 OV 41 DD REFL 6 25 OGND REFL 6 25 OGND REFL 7 24 D5 REFL 7 24 D4_5 PAR/SER 8 23 D4 PAR/SER 8 23 DNC VDD 9 22 D3 VDD 9 22 D2_3 VDD 10 21 D2 VDD 10 21 DNC 11 12 13 14 15 16 17 18 19 20 11 12 13 14 15 16 17 18 19 20 + – CS D0 D1 + – CS ENC ENC SCK SDI SDO DNC DNC ENC ENC SCK SDI SDO DNC DNC DNC D0_1 UJ PACKAGE UJ PACKAGE 40-LEAD (6mm × 6mm) PLASTIC QFN 40-LEAD (6mm × 6mm) PLASTIC QFN TJMAX = 150°C, θJA = 32°C/W TJMAX = 150°C, θJA = 32°C/W EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB DOUBLE DATA RATE LVDS OUTPUT MODE TOP VIEW + – + – + – V DD SENSE V REF V CM OF OF D10_11 D10_11 D8_9 D8_9 40 39 38 37 36 35 34 33 32 31 A + IN 1 30 D6_7+ A – IN 2 29 D6_7– GND 3 28 CLKOUT+ REFH 4 27 CLKOUT– REFH 5 26 OV 41 DD REFL 6 25 OGND REFL 7 24 D4_5+ PAR/SER 8 23 D4_5– VDD 9 22 D2_3+ VDD 10 21 D2_3– 11 12 13 14 15 16 17 18 19 20 + – – + CS ENC ENC SCK SDI SDO DNC DNC D0_1 D0_1 UJ PACKAGE 40-LEAD (6mm × 6mm) PLASTIC QFN TJMAX = 150°C, θJA = 32°C/W EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB 225812fd 2 For more information www.linear.com/LTC2258-12 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configurations 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