LTC2175-14/

LTC2174-14/LTC2173-14

2

21754314p

ABSOLUTE MAXIMUM RATINGS

(Notes 1, 2)

PIN CONFIGURATIONS

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2175CUKG-14#PBF

LTC2175CUKG-14#TRPBF

LTC2175UKG-14

52-Lead (7mm × 8mm) Plastic QFN

0°C to 70°C

LTC2175IUKG-14#PBF

LTC2175IUKG-14#TRPBF

LTC2175UKG-14

52-Lead (7mm × 8mm) Plastic QFN

–40°C to 85°C

LTC2174CUKG-14#PBF

LTC2174CUKG-14#TRPBF

LTC2174UKG-14

52-Lead (7mm × 8mm) Plastic QFN

0°C to 70°C

LTC2174IUKG-14#PBF

LTC2174IUKG-14#TRPBF

LTC2174UKG-14

52-Lead (7mm × 8mm) Plastic QFN

–40°C to 85°C

LTC2173CUKG-14#PBF

LTC2173CUKG-14#TRPBF

LTC2173UKG-14

52-Lead (7mm × 8mm) Plastic QFN

0°C to 70°C

LTC2173IUKG-14#PBF

LTC2173IUKG-14#TRPBF

LTC2173UKG-14

52-Lead (7mm × 8mm) Plastic QFN

–40°C to 85°C

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

Consult LTC Marketing for information on non-standard lead based finish parts.

Supply Voltages

SDI, SCK) (Note 4).................................... –0.3V to 3.9V

SDO (Note 4) ............................................ –0.3V to 3.9V

Operating Temperature Range

LTC2175C, 2174C, 2173C ........................ 0°C to 70°C

LTC2175I, 2174I, 2173I ....................... –40°C to 85°C

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

16

15

17 18 19

TOP VIEW

53

UKG PACKAGE

52-LEAD (7mm × 8mm) PLASTIC QFN

20 21 22 23 24 25 26

51

52

50 49 48 47 46 45 44 43 42 41

33

34

35

36

37

38

39

40

8

7

6

5

4

3

2

1

+

–

+

–

REFH

REFH

REFL

REFL

+

–

+

–

OGND

32

31

30

29

28

27

9

10

11

12

13

14

EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB