LTC2234UK datasheet(2/24 Pages) LINER

2 / 24 page

LTC2234

2234fa

CO VERTER CHARACTERISTICS

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

LTC2234C ............................................... 0

°C to 70°C

LTC2234I .............................................–40

°C to 85°C

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

°C to 125°C

ORDER PART

NUMBER

UK PART*

MARKING

TJMAX = 125°C, θJA = 29°C/W

LTC2234UK

LTC2234CUK

LTC2234IUK

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

OVDD = VDD (Notes 1, 2)

The

● denotes the specifications which apply over the full operating

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

●

Bits

Integral Linearity Error

Differential Analog Input (Note 5)

●

–0.8

±0.2

0.8

LSB

Differential Linearity Error

Differential Analog Input

●

–0.6

±0.1

0.6

LSB

Integral Linearity Error

Single-Ended Analog Input (Note 5)

±0.5

LSB

Differential Linearity Error

Single-Ended Analog Input

±0.1

LSB

Offset Error

(Note 6)

●

–37

±537

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

±15

ppm/C

Transition Noise

SENSE = 1V

0.12

LSBRMS

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

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

TOP VIEW

UK PACKAGE

48-LEAD (7mm

× 7mm) PLASTIC QFN

EXPOSED PAD IS GND (PIN 49),

MUST BE SOLDERED TO PCB

AIN

+ 1

AIN

– 2

REFHA 3

REFHA 4

REFLB 5

REFLB 6

REFHB 7

REFHB 8

REFLA 9

REFLA 10

VDD 11

VDD 12

36 D7

35 D6

34 D5

33 OVDD

32 OGND

31 D4

30 D3

29 D2

28 OVDD

27 OGND

26 D1

25 D0

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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