LTC1272-3ACN datasheet(2/20 Pages) LINER

Part #	LTC1272-3ACN

Description	12-Bit, 3關s, 250kHz Sampling A/D Converter

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1272

2

1272fb

A

G

A

U

A

R

BSOLUTEXI

TI

S

Supply Voltage (VDD) ................................................. 6V

Analog Input Voltage (Note 3) ...................– 0.3V to 15V

Digital Input Voltage .................................. – 0.3V to 12V

Digital Output Voltage .................... – 0.3V to VDD + 0.3V

Power Dissipation .............................................. 500mW

Operating Temperature Range

LTC1272-XAC, CC ................................. 0

°C to 70°C

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

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

(Notes 1 and 2)

PACKAGE/ORDER I FOR ATIO

ORDER PART NUMBER

LTC1272-XA

LTC1272-XC

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

●

12

Bits

Integral Linearity Error

(Note 5)

●

±1/2

±1

LSB

Differential Linearity Error

●

±1

LSB

Offset Error

±3

±4

LSB

●

±4

±6

LSB

Gain Error

±10

±15

LSB

Full-Scale Tempco

IOUT (Reference) = 0

●

±5

±25

±10

±45

ppm/

°C

CC

HARA TERISTICS

CO VERTER

The

● denotes the specifications which apply over the full operating

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

CONVERSION

TIME = 8

µs

LTC1272-8ACN

LTC1272-8CCN

LTC1272-8ACSW

LTC1272-8CCSW

CONVERSION

TIME = 3

µs

LTC1272-3ACN

LTC1272-3CCN

LTC1272-3ACSW

LTC1272-3CCSW

SW PACKAGE ONLY

TJMAX = 110°C, θJA = 100°C/W

24

23

22

21

20

19

18

17

8

7

6

5

4

3

2

1

IN

REF

(MSB) D11

D10

D9

D8

D7

CLK IN

CLK OUT

HBEN

RD

CS

BUSY

NC

V

TOP VIEW

16

15

14

13

12

11

10

9

D6

D5

D4

DGND

D3/11

D2/10

D1/9

D0/8

A

V

AGND

DD

N PACKAGE

24-LEAD PDIP

24

23

22

21

20

19

18

17

8

7

6

5

4

3

2

1

IN

REF

(MSB) D11

D10

D9

D8

D7

CLK IN

CLK OUT

HBEN

RD

CS

BUSY

NC

V

TOP VIEW

16

15

14

13

12

11

10

9

D6

D5

D4

DGND

D3/11

D2/10

D1/9

D0/8

A

V

AGND

DD

SW PACKAGE

24-LEAD PLASTIC SO WIDE

TJMAX = 110°C, θJA = 130°C/W

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/

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

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LTC1272-3ACN Datasheet(PDF) 2 Page - Linear Technology

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