1

4

3

2

LMH0395

18

15

16

17

10

7

8

9

21

24

23

22

SDI

5

6

SPI_EN

12

11

13

14

SDO0

19

20

SDI

SDO0

SDO1

SDO1

LMH0395

www.ti.com

SNLS323M – AUGUST 2010 – REVISED JULY 2015

5 Pin Configuration and Functions

RUM Package

24-Pin WQFN (non-SPI)

Top View

PIN

TYPE

DESCRIPTION

NO.

NAME

1

Ground

Negative power supply (ground)

2

Ground

Negative power supply (ground)

3

SDI

I, Analog

Serial data true input

4

SDI

I, Analog

Serial data complement input

5

Ground

Negative power supply (ground)

SPI register access enable

This pin has an internal pulldown.

6

SPI_EN

I, LVCMOS

H = SPI register access mode

L = Pin mode

Output driver 1 (SDO1, SDO1) disable

This pin has an internal pullup.

7

SDO1_DISABLE

I, LVCMOS

H (or no connection) = Output driver 1 is in a high-impedance state

L = Output driver 1 is enabled

8

AEC+

I/O, Analog

AEC loop filter external capacitor (1-µF) positive connection (capacitor is optional)

9

AEC-

I/O, Analog

AEC loop filter external capacitor (1-µF) negative connection (capacitor is optional)

Equalization bypass

This pin has an internal pulldown.

10

BYPASS

I, LVCMOS

H = Equalization is bypassed (no equalization occurs).

L = Normal operation

Mute reference input that sets the threshold for CD and (with CD tied to MUTE) and

11

I, Analog

unconnected or connected to ground for normal CD operation.

12

Ground

Negative power supply (ground)

13

Ground

Negative power supply (ground)

14

SDO0

O, LVDS

Serial data output 0 complement

15

SDO0

O, LVDS

Serial data output 0 true

16

Ground

Negative power supply (ground)

17

SDO1

O, LVDS

Serial data output 1 complement

18

SDO1

O, LVDS

Serial data output 1 true

(1)

The exposed die attach pad is a negative electrical terminal for this device. It should be connected to the negative power supply voltage.

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