STA335BWS View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA335BWS

2.1 channels high efficiency digital audio system

STMicroelectronics 

Electrical specifications

STA335BWS

Figure 4. Test circuit 1

Low current dead time = MAX(DTr, DTf)

+Vcc

Duty cycle = 50%

INxY

M58

M57

OUTxY

gnd

OUTxY

Vcc

(3/4)Vcc

(1/2)Vcc

(1/4)Vcc

t

DTr

DTf

R8Ω

+-

V67

vdc = Vcc/2

Figure 5.

Test circuit 2

High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B))

+VCC

Duty cycle=A

DTin(A)

INA

DTout(A)

M58

Q1

Q2

M64

OUTA

Rload=4Ω

DTout(B)

OUTB

L67 10µ

Iout=1.5A

L68 10µ

Iout=1.5A

M57

Q3

C69

470nF

C71 470nF

C70

470nF

Q4

M63

Duty cycle=B

DTin(B)

INB

Duty cycle A and B: Fixed to have DC output current of 4A in the direction shown in figure

D06AU1651

18/68

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