TDA8920 데이터 시트보기 (PDF) - Unspecified

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TDA8920

2×50 W class-D power amplifier

Unspecified 

Philips Semiconductors

2 × 50 W class-D power amplifier

DC CHARACTERISTICS

VDD = ±25 V; Tamb = 25 °C; measured in Fig.5; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

Supplies

VDD

Iq(tot)

Istb

supply voltage range

total quiescent current

standby current

Amplifier outputs

VOO

∆VOO

output offset voltage

delta output offset voltage

Mode select input; see Fig.4

Vms

Ims

Vth1+

Vth1−

Vms(hys1)

Vth2+

Vth2−

Vms(hys2)

input voltage range

input current

threshold voltage

threshold voltage

hysteresis (Vth1+) − (Vth1−)

threshold voltage

threshold voltage

hysteresis (Vth2+) − (Vth2−)

note 1

on and mute

on ↔ mute

note 2

Vms = 5.5 V

standby → mute; note 2

mute → standby; note 2

mute → on; note 2

on → mute; note 2

Notes

1. The circuit is DC adjusted at VDD = ±15 V to ±30 V.

2. Referenced to SGND (0 V).

Preliminary specification

TDA8920

MIN. TYP. MAX. UNIT

±15 ±25 ±30 V

−

50

60

mA

−

0.2 50

µA

−

−

50

mV

−

−

30

mV

0

−

5.5 V

−

−

tbf

µA

−

−

2

V

1

−

−

V

−

200 −

mV

−

−

4

V

3

−

−

V

−

200 −

mV

handbook, full pagewidth

on

mute

standby

Vms(hys1)

Vth1−

Vth1+

Vms(hys2)

Vth2−

Vth2+

Vms

MGR662

Fig.4 Mode select transfer characteristic.

1998 Dec 01

7

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