1

4

3

2

LMH0346SQ

(top view)

19

16

17

18

11

8

9

10

21

24

23

22

LF2

SDI

5

6

7

12

20

13

14

15

SDI

BP/ AUTO-BP

RATE1

RATE0

VCC

LOCK DET

SCO/SDO2

SCO/SDO2

VCCO

SDO

SDO

VCCO

LMH0346MH

RATE0

RATE1

OP MUTE

XTAL IN/EXT CLK

LF2

LF1

SDI

SDI

VCC

BP/ AUTO-BP

1

2

3

4

5

6

7

8

9

10

SCO_EN

11

12

13

14

15

16

17

18

19

20

XTAL OUT

LOCK DET

SCO/SDO2

SCO/SDO2

VCCO

VCCO

SDO

SDO

HD

SD/

LMH0346

www.ti.com

SNLS248J – APRIL 2007 – REVISED APRIL 2013

Connection Diagram

The exposed die attach pad is the negative electrical terminal for this device. It must be connected to the negative

power supply voltage.

Figure 1. 20-Pin HTSSOP

See Package Number PWP

The exposed die attach pad is the primary negative electrical terminal for this device. It must be connected to the

negative power supply voltage.

Figure 2. 24-Pin WQFN

See Package Number NHZ

Copyright © 2007–2013, Texas Instruments Incorporated

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