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Characteristics – Philips TDA8586 User Manual

Page 11

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2001 Jul 23

11

Philips Semiconductors

Preliminary specification

Power amplifier with load detection and
auto BTL/SE selection

TDA8586

CHARACTERISTICS
V

P

= 14.4 V; T

amb

= 25

°

C; f

i

= 1 kHz; R

L

=

; measured in test circuit of Fig.8; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

V

P

operating supply voltage

8.0

14.4

18

V

I

q(tot)

total quiescent current

SE mode

140

170

mA

I

stb

standby current

1

100

µ

A

V

O

DC output voltage

V

P

= 14.4 V

7.0

V

V

P(mute)

low supply voltage mute

6.0

7.0

8.0

V

V

o

single-ended and bridge-tied
load output voltage

V

P

= 14.4 V; R

L

= 4

mute condition

20

mV

on condition

100

mV

V

I

DC input voltage

V

P

= 14.4 V

4.0

V

P

IN

MSO

V

MSO

voltage at pin MSO

standby condition

0

0.8

V

mute condition; note 1

2.0

3.0

4

V

on condition

8.0

10.5

V

I

MSO

input current

mute pin at standby condition;
V

MSO

< 0.8 V

5

40

µ

A

Diagnostic; output buffer (open-collector); see Figs 7 to 8

V

DIAG(L)

diagnostic output voltage LOW I

sink

= 1 mA

0.3

0.8

V

I

LI

leakage current

V

DIAG

= 14.4 V

1

µ

A

V

DIAG(or)

diagnostic override voltage

in mute mode after load
detection

10.5

18

V

V

DIAG(4ch)

diagnostic 4 channel indication
voltage

mute, after load detection with
4 speakers connected

0.3

0.8

V

CD2

clip detector LOW

THD mode; V

DIAG

> 3 V;

R = 10 k

0.5

2

3.5

%

CD10

clip detector HIGH

THD mode (default);
V

DIAG

> 3 V; R = 10 k

7

10

13

%

C

LIP DETECT CONTROL PIN

V

DDDSEL

voltage at DDD select pin to
obtain:

10% DDD

0

1

V

2% DDD

3

6

V

I

DDDSEL

Input current DDD select pin

V

DDDSEL

= 5 V

15

140

µ

A

Stereo BTL application (see Fig.7)

THD

total harmonic distortion

f

i

= 1 kHz; P

o

= 1 W; R

L

= 4

0.05

0.15

%

45 Hz < f

i

< 10 kHz; P

o

= 1 W;

R

L

= 4

; filter: f < 30 kHz

0.3

%

P

o

output power

V

P

= 14.4 V; R

L

= 4

; note 2

THD = 0.5%

14

15

W

THD = 10%

17

21

W