LTC2228/LTC2227/LTC2226 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATIONOVDD = VDD (Notes 1, 2) Supply Voltage (VDD) ..4V TOP VIEW Digital Output Ground Voltage (OGND) .. –0.3V to 1V DD CM Analog Input Voltage (Note 3) ...–0.3V to (V V V SENSE MODE OF D11 D10 D9 DD + 0.3V) 32 31 30 29 28 27 26 25 Digital Input Voltage ..–0.3V to (VDD + 0.3V) A + 1 24 IN D8 Digital Output Voltage .. –0.3V to (OVDD + 0.3V) A – 2 23 IN D7 Power Dissipation ...1500mW REFH 3 22 D6 Operating Temperature Range REFH 4 21 OVDD 33 LTC2228C, LTC2227C, LTC2226C... 0°C to 70°C REFL 5 20 OGND LTC2228I, LTC2227I, LTC2226I .. –40°C to 85°C REFL 6 19 D5 V 7 18 D4 Storage Temperature Range ... –65°C to 125°C DD GND 8 17 D3 9 10 11 12 13 14 15 16 OE CLK NC NC D0 D1 D2 SHDN UH PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC2228CUH#PBF LTC2228CUH#TRPBF 2228 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2228IUH#PBF LTC2228IUH#TRPBF 2228 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC2227CUH#PBF LTC2227CUH#TRPBF 2227 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2227IUH#PBF LTC2227IUH#TRPBF 2227 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC2226CUH#PBF LTC2226CUH#TRPBF 2226 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2226IUH#PBF LTC2226IUH#TRPBF 2226 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LEAD BASED FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC2228CUH LTC2228CUH#TR 2228 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2228IUH LTC2228IUH#TR 2228 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC2227CUH LTC2227CUH#TR 2227 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2227IUH LTC2227IUH#TR 2227 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC2226CUH LTC2226CUH#TR 2226 32-Lead (5mm × 5mm) Plastic QFN 0°C to 70°C LTC2226IUH LTC2226IUH#TR 2226 32-Lead (5mm × 5mm) 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. 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/ 222876fb 2