LTC2290UP datasheet(2/24 Pages) LINER

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LTC2290

2290fa

TOP VIEW

UP PACKAGE

64-LEAD (9mm

× 9mm) PLASTIC QFN

TJMAX = 125°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 DA5

47 DA4

46 DA3

45 DA2

44 DA1

43 DA0

42 NC

41 NC

40 OFB

39 DB11

38 DB10

37 DB9

36 DB8

35 DB7

34 DB6

33 DB5

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

OVDD = VDD (Notes 1, 2)

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

LTC2290C ............................................... 0

°C to 70°C

LTC2290I .............................................–40

°C to 85°C

Storage Temperature Range ..................–65

°C to 125°C

ORDER PART

NUMBER

QFN PART*

MARKING

LTC2290UP

LTC2290CUP

LTC2290IUP

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

*The temperature grade is identified by a label on the shipping container.

The

● denotes the specifications which apply over the full operating

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

CO VERTER CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

●

Bits

Integral Linearity Error

Differential Analog Input (Note 5)

●

–1.3

±0.3

1.3

LSB

Differential Linearity Error

Differential Analog Input

●

–0.7

±0.15

0.7

LSB

Offset Error

(Note 6)

●

–12

±212

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

±2mV

Transition Noise

SENSE = 1V

0.25

LSBRMS

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF

Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

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