3

LOGIC CONTROL PINS

Logic High Level

1.35

V

Logic Low Level

0.8

V

Logic High Input Current

50

µA

Logic Low Input Current

15

µA

Electrical Specifications

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

Pin Descriptions

PIN NUMBER

PIN NAME

PIN TYPE

PIN FUNCTION

1

CTRL_REF

Input

2

VCTRL

Input

Control voltage (0 to 1V) to set equalization

3

VINP

Input

Positive differential input

4

VINM

Input

Negative differential input

5

VS-

Power

-5V to core of chip

6

CMOUT

Output

Output of common mode voltage present at inputs

7

VGAIN

Input

Control voltage to set overall gain (0 to 1V)

8

LOGIC_REF

Input

Reference voltage for all logic signals

9

X2

Logic Input

Logic signal; low - gain = 1, high - gain = 2

10

0V

0V reference for output voltage

11

VSA-

Power

-5V to output buffer

12

VOUT

Output

Single-ended output voltage reference to pin 10

13

VSA+

Power

+5V to output buffer

14

ENBL

Logic Input

Logic signal to enable pin; low - disabled, high - enabled

15

VS+

Power

+5V to core of chip

16

CMEXT

Logic Input

Logic signal to enable CM range extension; active high

EL9110