TDA8586 Просмотр технического описания (PDF) - Philips Electronics

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TDA8586

Power amplifier with load detection and auto BTL/SE selection

Philips Electronics 

Philips Semiconductors

Power amplifier with load detection and

auto BTL/SE selection

Preliminary specification

TDA8586

CHARACTERISTICS

VP = 14.4 V; Tamb = 25 °C; fi = 1 kHz; RL = ∞; measured in test circuit of Fig.8; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Supplies

VP

Iq(tot)

Istb

VO

VP(mute)

Vo

VI

operating supply voltage

total quiescent current

standby current

DC output voltage

low supply voltage mute

single-ended and bridge-tied

load output voltage

DC input voltage

SE mode

VP = 14.4 V

VP = 14.4 V; RL = 4 Ω

mute condition

on condition

VP = 14.4 V

8.0

14.4 18

V

−

140

170

mA

−

1

100

µA

−

7.0

−

V

6.0

7.0

8.0

V

−

−

20

mV

−

−

100

mV

−

4.0

−

V

PIN MSO

VMSO

voltage at pin MSO

standby condition

mute condition; note 1

0

−

0.8

V

2.0

3.0

4

V

IMSO

input current

on condition

8.0

−

mute pin at standby condition; −

5

VMSO < 0.8 V

10.5 V

40

µA

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

VDIAG(L)

ILI

VDIAG(or)

diagnostic output voltage LOW Isink = 1 mA

leakage current

VDIAG = 14.4 V

diagnostic override voltage in mute mode after load

detection

−

0.3

0.8

V

−

−

1

µA

10.5

−

18

V

VDIAG(4ch) diagnostic 4 channel indication mute, after load detection with −

voltage

4 speakers connected

0.3

0.8

V

CD2

CD10

clip detector LOW

clip detector HIGH

THD mode; VDIAG > 3 V;

R = 10 kΩ

THD mode (default);

VDIAG > 3 V; R = 10 kΩ

0.5

2

7

10

3.5

%

13

%

CLIP DETECT CONTROL PIN

VDDDSEL

IDDDSEL

voltage at DDD select pin to

obtain:

Input current DDD select pin

10% DDD

2% DDD

VDDDSEL = 5 V

0

−

3

−

15

−

1

V

6

V

140

µA

1999 Apr 08

11

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