Datasheet

1
4
3
2
LMH0346SQ
(top view)
19
16
17
18
118 9 10
2124 23 22
LF2
LF1
SDI
5
6
7
12
20
13
14
15
XTAL IN/EXT CLK
SDI
BP/
AUTO-BP
RATE1
RATE0
V
CC
OP MUTE
V
EE
V
EE
SCO_EN
XTAL OUT
LOCK DET
SCO/SDO2
SCO/SDO2
V
CCO
SDO
SDO
HD
SD/
V
CCO
RSVD
V
EE
LMH0346MH
RATE0
RATE1
OP MUTE
XTAL IN/EXT CLK
LF2
LF1
SDI
SDI
V
CC
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
V
CCO
V
CCO
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
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