Datasheet LTC2270 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 16-Bit, 20Msps Low Noise Dual ADC |
| Pages / Page | 36 / 2 — ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATIONS |
| File Format / Size | PDF / 593 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATIONS
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Text Version of Document
LTC2270
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) LTC2270C .. 0°C to 70°C Digital Input Voltage (ENC+, ENC–, CS, LTC2270I ... –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_15 57 D1_14 56 D1_13 55 D1_12 54 D1_11 53 D1_10 52 D1_9 51 D1_8 50 D1_7 49 D1_6 64 V 63 SENSE 62 V 61 SDO 60 OF2_1 59 DNC 58 D1_14_15 57 DNC 56 D1_12_13 55 DNC 54 D1_10_11 53 DNC 52 D1_8_9 51 DNC 50 D1_6_7 49 DNC VDD 1 48 D1_5 VDD 1 48 D1_4_5 VCM1 2 47 D1_4 VCM1 2 47 DNC GND 3 46 D1_3 GND 3 46 D1_2_3 A + + IN1 4 45 D1_2 AIN1 4 45 DNC A – – IN1 5 44 D1_1 AIN1 5 44 D1_0_1 GND 6 43 D1_0 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_15 PAR/SER 11 38 D2_14_15 A + + IN2 12 37 D2_14 AIN2 12 37 DNC A – – IN2 13 36 D2_13 AIN2 13 36 D2_12_13 GND 14 35 D2_12 GND 14 35 DNC VCM2 15 34 D2_11 VCM2 15 34 D2_10_11 VDD 16 33 D2_10 VDD 16 33 DNC 17 18 19 20 17 18 19 20 + – + – DD CS DD CS V ENC V ENC SCK 21 SDI 22 D2_0 23 D2_1 24 D2_2 25 D2_3 26 D2_4 27 D2_5 28 D2_6 29 D2_7 30 D2_8 31 D2_9 32 ENC ENC SCK 21 SDI 22 DNC 23 DNC 25 DNC 27 DNC 29 DNC 31 D2_0_1 24 D2_2_3 26 D2_4_5 28 D2_6_7 30 D2_8_9 32 UP PACKAGE UP PACKAGE 64-LEAD (9mm s 9mm) PLASTIC QFN 64-LEAD (9mm s 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 2270f 2
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) LTC2270C .. 0°C to 70°C Digital Input Voltage (ENC+, ENC–, CS, LTC2270I ... –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_15 57 D1_14 56 D1_13 55 D1_12 54 D1_11 53 D1_10 52 D1_9 51 D1_8 50 D1_7 49 D1_6 64 V 63 SENSE 62 V 61 SDO 60 OF2_1 59 DNC 58 D1_14_15 57 DNC 56 D1_12_13 55 DNC 54 D1_10_11 53 DNC 52 D1_8_9 51 DNC 50 D1_6_7 49 DNC VDD 1 48 D1_5 VDD 1 48 D1_4_5 VCM1 2 47 D1_4 VCM1 2 47 DNC GND 3 46 D1_3 GND 3 46 D1_2_3 A + + IN1 4 45 D1_2 AIN1 4 45 DNC A – – IN1 5 44 D1_1 AIN1 5 44 D1_0_1 GND 6 43 D1_0 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_15 PAR/SER 11 38 D2_14_15 A + + IN2 12 37 D2_14 AIN2 12 37 DNC A – – IN2 13 36 D2_13 AIN2 13 36 D2_12_13 GND 14 35 D2_12 GND 14 35 DNC VCM2 15 34 D2_11 VCM2 15 34 D2_10_11 VDD 16 33 D2_10 VDD 16 33 DNC 17 18 19 20 17 18 19 20 + – + – DD CS DD CS V ENC V ENC SCK 21 SDI 22 D2_0 23 D2_1 24 D2_2 25 D2_3 26 D2_4 27 D2_5 28 D2_6 29 D2_7 30 D2_8 31 D2_9 32 ENC ENC SCK 21 SDI 22 DNC 23 DNC 25 DNC 27 DNC 29 DNC 31 D2_0_1 24 D2_2_3 26 D2_4_5 28 D2_6_7 30 D2_8_9 32 UP PACKAGE UP PACKAGE 64-LEAD (9mm s 9mm) PLASTIC QFN 64-LEAD (9mm s 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 2270f 2
