Data Sheet

ADL5240

Rev. A | Page 9 of 28

PIN CONFIGURATIONAND FUNCTION DESCRIPTIONS

NOTES

1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.

2. THE EXPOSED PAD MUST BE CONNECTED TO GROUND.

PIN 1

INDICATOR

1

VDD

2

NC

3

NC

4

DSAIN

5

NC

6

NC

7

NC

8

NC

24 VDD

23 NC

22 NC

21 DSAOUT

20 NC

19 NC

18 NC

17 NC

TOP VIEW

(Not to Scale)

ADL5240

Figure 2. Pin Configuration

Table 3. PinFunction Descriptions

Pin No.

Mnemonic

Description

1, 24

VDD

Supply Voltage forDSA. Connect this pin to a 5 V supply.

2, 3, 5, 6, 7, 8, 9, 11, 12,

13, 14, 16, 17, 18, 19, 20,

22, 23

NC

No Connect. Do not connect to this pin.

4

DSAIN

RF Input to DSA.

10

AMPOUT/VCC

RF Output from Amplifier/Supply Voltage for Amplifier. A bias to the amplifier is provided

through a choke inductor connected to this pin.

15

AMPIN

RF Input to Amplifier.

21

DSAOUT

RF Output from DSA.

25

D6

Data Bit in Parallel Mode (LSB). Connect this pin to the supply in serial mode.

26

D5

Data Bit in Parallel Mode. Connect this pin to ground or leave openin serial mode.

27

D4

Data Bit in Parallel Mode. Connect this pin to ground or leave openin serial mode.

28

D3

Data Bit in Parallel Mode. Connect this pin to ground or leave openin serial mode.

29

D2/LE

Data Bit in Parallel Mode/Latch Enable in Serial Mode.

30

D1/DATA

Data Bit in Parallel Mode (MSB)/Data in Serial Mode.

31

D0/CLK

Connect this pin to ground in parallel mode. Thispin functions as a clock in serial mode.

32

SEL

Select Pin. Connect this pin to the supply to select parallel mode operation; connect this

pin to ground to select serial mode operation.

EPAD

Exposed Pad. The exposed pad must be connected to ground.