LTC2285UP datasheet(2/24 Pages) LINER

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LTC2285IUP#3CGPBF

2285iup#3cgpbf

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

LTC2285IUP#3CGPBF .......................... –20°C to 85°C

Storage Temperature Range................... –65°C to 150°C

OVDD = VDD (Notes 1, 2)

TOP VIEW

UP PACKAGE

64-LEAD (9mm × 9mm) PLASTIC QFN

TJMAX = 150°C, θJA = 20°C/W

EXPOSED PAD (PIN 65) IS GND AND MUST BE SOLDERED TO PCB

AINA

+ 1

AINA

– 2

REFHA 3

REFHA 4

REFLA 5

REFLA 6

VDD 7

CLKA 8

CLKB 9

VDD 10

REFLB 11

REFLB 12

REFHB 13

REFHB 14

AINB

– 15

AINB

+ 16

48 DA7

47 DA6

46 DA5

45 DA4

44 DA3

43 DA2

42 DA1

41 DA0

40 CLKOUT

39 DB13

38 DB12

37 DB11

36 DB10

35 DB9

34 DB8

33 DB7

ORDER INFORMATION

LEAD FREE FINISH

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2285IUP#3CGPBF

LTC2285UP

64-Lead (9mm × 9mm) Plastic QFN

–20°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

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/

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

●

Bits

Integral Linearity Error

Differential Analog Input (Note 5)

●

±1.5

LSB

Differential Linearity Error

Differential Analog Input

●

–1

±0.6

1.1

LSB

Offset Error

(Note 6)

●

–12

±2

Gain Error

External Reference

●

–2.5

±0.5

2.5

%FS

Offset Drift

±10

μV/°C

Full-Scale Drift

Internal Reference

±30

ppm/°C

External Reference

±5

ppm/°C

Gain Matching

External Reference

±0.3

%FS

Offset Matching

±2

Transition Noise

SENSE = 1V

1.3

LSBRMS

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. (Note 4)

CONVERTER CHARACTERISTICS

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