TDA1518B datasheet(8/11 Pages) PHILIPS

8 / 11 page

July 1994

Philips Semiconductors

Product speciﬁcation

24 W BTL or 2 x 12 watt stereo

car radio power ampliﬁer

TDA1518BQ

Notes to the characteristics

1. All characteristics, for stereo application are measured using the circuit shown in Fig.3.

2. The circuit is d.c. adjusted at VP = 6 V to 18 V and a.c. operating at VP = 8,1 V to 18 V.

3. Value to be fixed.

4. At 18 V < VP < 30 V the d.c. output voltage ≤ VP/2.

5. Output power is measured directly at the output pins of the lC.

6. With bootstrap and a 100 k

Ω resistor from pin 12 to the positive supply voltage (V

P), value of bootstrap capacitor is

µF.

7. Frequency response externally fixed.

8. Ripple rejection measured at the output with a source impedance of 0

Ω (maximum ripple amplitude of 2 V) and a

frequency between 1 kHz and 10 kHz.

9. Noise voltage measured in a bandwidth of 20 Hz to 20 kHz.

10. Noise output voltage independent of RS (VI = 0 V).

11. All characteristics, for BTL application are measured using the circuit shown in Fig.4.

Low frequency roll-off

note 7;

−3 dB

−

High frequency roll-off

−1 dB

−−

kHz

Closed loop voltage gain

Supply voltage ripple

rejection:

note 8

−−

mute

−−

stand-by

−−

Input impedance

|ZI|

253038k

Ω

Noise output voltage:

note 9;

RS = 0 Ω

Vno(rms)

−

200

−µV

RS = 10 kΩ

Vno(rms)

−

350

700

µV

mute

note 10

Vno(rms)

−

120

−µV

Switch-on/switch-off

behaviour

dV/dt

−−

note 3

V/ms

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

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