Datasheet LTC2145-12, LTC2144-12, LTC2143-12 (Analog Devices) - 2

LTC2145-12/ LTC2144-12/LTC2143-12
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) LTC2145C, LTC2144C, LTC2143C... 0°C to 70°C Digital Input Voltage (ENC+, ENC–, CS, LTC2145I, LTC2144I, LTC2143I .. –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 DD REF DD REF 64 V 63 SENSE 62 V 61 SDO 60 OF1 59 OF2 58 D1_11 57 D1_10 56 D1_9 55 D1_8 54 D1_7 53 D1_6 52 D1_5 51 D1_4 50 D1_3 49 D1_2 64 V 63 SENSE 62 V 61 SDO 60 OF2_1 59 DNC 58 D1_10_11 57 DNC 56 D1_8_9 55 DNC 54 D1_6_7 53 DNC 52 D1_4_5 51 DNC 50 D1_2_3 49 DNC VDD 1 48 D1_1 VDD 1 48 D1_0_1 VCM1 2 47 D1_0 VCM1 2 47 DNC GND 3 46 DNC* GND 3 46 DNC* A + + IN1 4 45 DNC* AIN1 4 45 DNC* A – – IN1 5 44 DNC* AIN1 5 44 DNC* GND 6 43 DNC* GND 6 43 DNC* REFH 7 42 OVDD REFH 7 42 OVDD REFL 8 65 41 OGND REFL 8 65 41 OGND REFH 9 GND 40 CLKOUT+ REFH 9 GND 40 CLKOUT+ REFL 10 39 CLKOUT– REFL 10 39 CLKOUT– PAR/SER 11 38 D2_11 PAR/SER 11 38 D2_10_11 A + + IN2 12 37 D2_10 AIN2 12 37 DNC A – – IN2 13 36 D2_9 AIN2 13 36 D2_8_9 GND 14 35 D2_8 GND 14 35 DNC VCM2 15 34 D2_7 VCM2 15 34 D2_6_7 VDD 16 33 D2_6 VDD 16 33 DNC 17 18 19 20 17 18 19 20 + – + – DD CS DD CS V ENC V ENC SCK 21 SDI 22 SCK 21 SDI 22 DNC 27 DNC 29 DNC 31 DNC* 23 DNC* 24 DNC* 25 DNC* 26 D2_0 27 D2_1 28 D2_2 29 D2_3 30 D2_4 31 D2_5 32 ENC ENC DNC* 23 DNC* 24 DNC* 25 DNC* 26 D2_0_1 28 D2_2_3 30 D2_4_5 32 UP PACKAGE UP PACKAGE 64-LEAD (9mm × 9mm) PLASTIC QFN 64-LEAD (9mm × 9mm) PLASTIC QFN TJMAX = 150°C, θJA = 20°C/W TJMAX = 150°C, θJA = 20°C/W EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB 21454312fa 2