STA5150 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

STA5150

200W MONO BASH POWER AMPLIFIER

STMicroelectronics 

STA5150

EXTERNAL COMPONENTS

Name

Function

Ri

Input resistor

R1

Rr

Feedback resistor

R2

Cac

AC Decoupling capacitor

C1

Cct

Capacitor for the attack time

C2

R3

Release constant time Resistor

R4

R5

R6

C3

C4

R7

R8

R9

C5

R10 = R11

Resistor for tracking input voltage

filter

Resistor for tracking input voltage

filter

Resistor for tracking input voltage

filter

Capacitor for Tracking input

voltage filter

Dc decoupling capacitor

Bias Resistor for Stby/Mute

function

Stby/Mute constant time resistor

Mute resistor

Capacitor for Stby/Mute resistor

Sensing resistor for SOA detector

R12

C6 = C7

R15 = R16

C8 = C9

R13

R14

C10 = C11

C12

D1

Conversion resistor for threshold

voltage

Power supply filter capacitor

Centering resistor

Tracking rail power supply filter

Protection

TRK_out

Power supply filter capacitor

Feedback capacitor

Schottky diode

Note: Vcontrol is the voltage at Att_Rel pin.

Value

10KΩ

(|G| = 5, Rr = 50KΩ)

50KΩ

(|G| = 5, Ri = 10KΩ

100nF

(fp = 16Hz,

Rac =100KΩ )

2.2µF

(Tattack = 13mSec,

Vcontrol = 9V,

Ict = 1.5mA)

470KΩ

(t = 1 Sec. ,

Cct = 2.2 µF )

10KΩ

56KΩ

10KΩ

1nF

1µF

10KΩ

30KΩ

30KΩ

2.2µF

50mΩ

5% 4W

100KΩ

100nF

400 Ω , 1W

680nF

1KΩ

40KΩ

470 µF , 63V

100pF

SB360

Formula

Ri = -R-G----r-

Rr = G ⋅ Rr

Cac = 2----π-----⋅---f--p-1----⋅---R-----a----c-

Cct = attackV-----c---o--I--cn---t-t--r---o---l

Rct = C----τ-c----t

12/14

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