LTC2228 datasheet(2/28 Pages) LINER

2 / 28 page

LTC2228/LTC2227/LTC2226

222876fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (VDD) ..................................................4V

Digital Output Ground Voltage (OGND) ........ –0.3V to 1V

Analog Input Voltage (Note 3).......–0.3V to (VDD + 0.3V)

Digital Input Voltage......................–0.3V to (VDD + 0.3V)

Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)

Power Dissipation .............................................1500mW

Operating Temperature Range

LTC2228C, LTC2227C, LTC2226C............. 0°C to 70°C

LTC2228I, LTC2227I, LTC2226I............ –40°C to 85°C

Storage Temperature Range................... –65°C to 125°C

OVDD = VDD (Notes 1, 2)

32 31 30 29 28 27 26 25

10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm

5mm) PLASTIC QFN

13 14 15 16

AIN

–

REFH

REFL

VDD

GND

OVDD

OGND

TJMAX = 125°C, θJA = 34°C/W

EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE 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 FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE 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 speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed 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 speciﬁcations, go to: http://www.linear.com/tapeandreel/

LTC2228 数据表(PDF) 2 Page - Linear Technology

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