LTC2449C datasheet(2/28 Pages) LINER

Part #	LTC2449C

Description	24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution

Download	28 Pages

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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2 / 28 page

LTC2444/LTC2445/

LTC2448/LTC2449

2

sn2444589 2444589fs

ORDER PART

NUMBER

ORDER PART

NUMBER

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Notes 1, 2)

Supply Voltage (VCC) to GND.......................– 0.3V to 6V

Analog Input Pins Voltage

to GND .................................... – 0.3V to (VCC + 0.3V)

Reference Input Pins Voltage

to GND .................................... – 0.3V to (VCC + 0.3V)

Digital Input Voltage to GND ........ – 0.3V to (VCC + 0.3V)

Digital Output Voltage to GND ..... – 0.3V to (VCC + 0.3V)

TJMAX = 125°C, θJA = 34°C/W

LTC2444CUHF

LTC2444IUHF

QFN PART MARKING*

2444

Operating Temperature Range

LTC2444C/LTC2445C/

LTC2448C/LTC2449C .............................. 0°C to 70°C

LTC2444I/LTC2445I/

LTC2448I/LTC2449I ........................... – 40°C to 85°C

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

LTC2448CUHF

LTC2448IUHF

QFN PART MARKING*

2448

13 14 15 16

TOP VIEW

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

GND

BUSY

EXT

GND

COM

NC

CH0

CH1

NC

GND

REF–

REF+

VCC

NC

CH7

CH6

NC

23

22

21

20

9

10

11

12

13 14 15 16

TOP VIEW

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

GND

BUSY

EXT

GND

COM

CH0

CH1

CH2

CH3

CH4

GND

REF–

REF+

VCC

NC

CH15

CH14

CH13

CH12

23

22

21

20

9

10

11

12

TJMAX = 125°C, θJA = 34°C/W

ORDER PART

NUMBER

ORDER PART

NUMBER

TJMAX = 125°C, θJA = 34°C/W

LTC2445CUHF

LTC2445IUHF

QFN PART MARKING*

2445

*The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.

LTC2449CUHF

LTC2449IUHF

QFN PART MARKING*

2449

TJMAX = 125°C, θJA = 34°C/W

13 14 15 16

TOP VIEW

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

GND

BUSY

EXT

GND

COM

NC

CH0

CH1

NC

GND

REF–

REF+

VCC

MUXOUTN

ADCINN

ADCINP

MUXOUTP

NC

CH7

CH6

NC

23

22

21

20

9

10

11

12

13 14 15 16

TOP VIEW

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

GND

BUSY

EXT

GND

COM

CH0

CH1

CH2

CH3

CH4

GND

REF–

REF+

VCC

MUXOUTN

ADCINN

ADCINP

MUXOUTP

CH15

CH14

CH13

CH12

23

22

21

20

9

10

11

12

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