Datasheet LTC2271 (Analog Devices) - 2

LTC2271
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltages TOP VIEW V + – + – DD, OVDD .. –0.3V to 2V Analog Input Voltage DD DD REF V V SENSE GND V GND SDO GND OUT1A OUT1A OUT1B OUT1B AIN+, AIN–, PAR/SER, SENSE 52 51 50 49 48 47 46 45 44 43 42 41 (Note 3) ..–0.3V to (V V 1 40 OUT1C+ DD + 0.2V) CM1 Digital Input Voltage GND 2 39 OUT1C– AIN1+ 3 38 OUT1D+ ENC+, ENC–, CS, SDI, SCK (Note 4) .. –0.3V to 3.9V AIN1– 4 37 OUT1D– SDO (Note 4) .. –0.3V to 3.9V GND 5 36 DCO+ Digital Output Voltage .. –0.3V to (OVDD + 0.3V) REFH 6 35 DCO– Operating Temperature Range REFL 7 53 34 OVDD LTC2271C .. 0°C to 70°C GND REFH 8 33 OGND LTC2271I.. –40°C to 85°C REFL 9 32 FR+ Storage Temperature Range ... –65°C to 150°C PAR/SER 10 31 FR– AIN2+ 11 30 OUT2A+ AIN2– 12 29 OUT2A– GND 13 28 OUT2B+ VCM2 14 27 OUT2B– 15 16 17 18 19 20 21 22 23 24 25 26 + – – + – + DD DD CS V V ENC ENC SCK SDI GND OUT2D OUT2D OUT2C OUT2C UKG PACKAGE 52-LEAD (7mm s 8mm) PLASTIC QFN TJMAX = 150°C, θJA = 29°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
LTC2271CUKG#PBF LTC2271CUKG#TRPBF LTC2271UKG 52-Lead (7mm × 8mm) Plastic QFN 0°C to 70°C LTC2271IUKG#PBF LTC2271IUKG#TRPBF LTC2271UKG 52-Lead (7mm × 8mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 2271f 2