Preliminary Technical Data

ADN2849

Rev. Pr. G | Page 7 of 17

PIN CONFIGURATION AND FUNCTION DESCRIPTION

GND

DATAP

DATAN

VBB

CLKP

CLKN

VEE

GND

MODN_TERM

MODP

GND

VTERM

1

ADN2849

Figure 15. Pin configuration

Note: There is a n exposed pad on the bottom of the package that must be connected to the most negative supply rail of the ADN2849

Table 5.

Pin number

Mnemonic

Description

1, 10, 11, 14,17, 20

GND

Positive power supply

2

DATAP

AC coupled CML data, positive differential terminal

3

DATAN

AC coupled CML data, negative differential terminal

4

VBB

CML termination resistor

5

CLKP

AC coupled CML clock, positive differential terminal

6

CLKN

AC coupled CML clock, negative differential terminal

7

MOD_ENB

Modulation enable logic input

8

CLK_SELB

Retiming select logic input

9

MOD_SET

Modulation voltage set input

12, 13, 21

VEE

Negative power supply

15

MODN_TERM

Termination resistor for MODN

16

MODP

Positive modulation voltage output

18, 19

VTERM

Back termination voltage output

22

BIAS_SET

Bias offset voltage set input

23

CPAP

Cross point adjust positive control input

24

CPAN

Cross point adjust negative control input

Exposed Pad

Pad

Connect to the most negative supply rail of the ADN2849