Electric charateristics, Digital & analog co., ltd. (rev. 1.0) -7, Muτε – Calyx S1A0071 - Audio Processor for Class-D Power AMP User Manual

Page 7: Pmon

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S1A0071 Audio Processor for Class-D Power AMP

Digital & Analog Co., Ltd. (Rev. 1.0) -7-

5. ELECTRIC CHARATERISTICS

ELECTRICAL CHARACTERISTICS
Ta = 25

°C, Vi = 0.3Vrms, f = 1kHz, VCC = 5V, VSS = -5V, R

L

= 4

Ω,

Vc = 1.0V, Power Supply Voltage (VCCP, VSSP) =

± 30V

Characteristic Symbol

Condition

Value

Unit

Min.

Typ. Max.

Supply current

Icc

Vi = 0

35

mA

Driver rising time

Tr

CL = 10pF

20

nsec

Driver falling time

Tf

CL = 10pf

20

nsec

PGATE on time delay

Tdp

CL = 10pf

20

nsec

NGATE on time delay

Tdn

CL = 10pf

20

nsec

Driver low level

Vgl

Isink = 100uA, DC

-

-4.5

-4.0

V

Driver high level

Vgh

Ipush = 100uA, DC

-1.0

-0.5

-

V

Input limiting voltage

Vlim

V

LP

= 1.5V, V

LN

= -1.5V

2.8 3.0 3.2 Vp-p

Oscillation frequency

Fosc

-

360

450

540

kHz

Oscillation level

Vosc

Vc = 1.0V

2.0

2.2

2.4

Vp-p

OSCEN conversion voltage

Vto

-

1.0

1.5

2.2

V

MUΤΕ

conversion voltage

Vtm - 1.2

1.6

2.0

V

PMON

"L" level

Vpmon Rmon = 470

Ω

- - 0.4 V

Circuit bias voltage

Vb

-

2.8

3.0

3.2

V

Logic supply voltage

Vd

-

-1.2

-0.8

-0.2

V

Audio amp gain

Gp1

f = 1kHz.closed loop

-0.5

-2.5

-4.5

dB

Gp2

f = 450kHz, open loop

9.0

12.0

15.0

dB

Total voltage gain

Gv

Vi = 0.1Vrms, f = 1kHz

24.0

26.0

28.0

dB

Channel balance

CB

Vi = 0.1Vrms, f = 1kHz

-1.0

0

1.0

dB

Ripple rejection ratio

RR

Vr = 0.2Vp-p, f = 120Hz

-

-

-70

dB

Output offset voltage

Vofs

Vi = 0

-

-

0.1

V

Maximum output

Pomax1 THD = 1%, R

L

= 4hm

75.2

W

Pomax2 THD = 1%, R

L

= 8ohm

43.5

W

Total harmonic distortion

THD1

Po = 10W, RL = 4ohm

-

0.030

%

THD2

Po = 50W, RL = 4ohm

-

0.062

%

THD3

Po = 5.0W, RL = 8ohm

-

0.025

%

THD4

Po = 25W ,RL = 8ohm

-

0.026

%

Output noise voltage

Vno

Vi = 0 0Vrms

- 160

uVrms

Channel cross talk

CT

Vi = 0.3Vrms

-

-

-80

dB

Mute damp ratio

Rmute Vi = 0.8Vrms

-

-

-110

dB

Over current detect voltage

Voc

-

0.70

0.96

1.20

± V

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