SL5020

3/7

PIN VOLTAGE and DESCRIPTION

Pin NO

Sy mbol

Vo ltage

Description

1

1.3

Bandgap Voltage

2

EXP.MUTE

1.4

Expander mu te adjust

3

EXP.FILTER

0~0.6

Expander Filter. Conne c t t o an ext e rnal c a pac itor t o filt er

the ful l wave rect ifi er ’s output . This c apacitor affects

attack & delay times, as well as low frequency accuracy.

4

EXP.OUTPUT

1.5

Output of the expander amplifier.

5

EXP. INPUT

1.5

Expan d er i npu t. Nomi nally sig n a l range is 3.16m Vr m s to

260mVr ms . Must be capacitor coupled to the signal source

6

2.2

An in ternal reference volt age. T h is is an AC gro und , a n d

m u st

be

well

filtered

t o

obt ain

high

power

supply

rejection and low crosstalk.

7

GND

GND

Ground

8

COM.FEEDBACK

1.5

Input to the comp resso r Variable gain stage and rectifier.

9

COM.CF

1.5

Normally, this is c o nnecte d to t h e c o mp ressor ’s output

through filtered DC feedback path.

10

COM.INPUT

1.5

Co mp ressor input , Normally, Signal rang e is 100

µVrms

to 1. 0Vrm s. Must be capa citor couple d t o the signal

source.

11

COM.OUTPUT

1.5

Output of the comp ressor amplifier.

12

COM.FILTER

0~0.6

Co mp ressor filter. C o nnec t t o a n e x terna l capacit o r to

filter the full wave rectifier ’s out put. This capa c it or

affects attack & decay times, and low frequency accuracy

13

COM.MUTE

1.4

Comp ressor mu te adjust.

14

Vcc

3

Power supply pin. C onne ct to power sup p ly provid i ng

between 1.8 and 5.0V.