TDA7052AT datasheet(6/12 Pages) PHILIPS

6 / 12 page

July 1994

Philips Semiconductors

Product speciﬁcation

1 W BTL mono audio ampliﬁer with DC

volume control

TDA7052A/AT

CHARACTERISTICS

VP = 6 V; Tamb = 25 °C; f = 1 kHz; TDA7052A: RL = 8 Ω; TDA7052AT: RL = 16 Ω; unless otherwise speciﬁed (see Fig.6).

Notes to the characteristics

1. With a load connected to the outputs the quiescent current will increase, the maximum value of this increase being

equal to the DC output offset voltage dividend by RL.

2. The noise output voltage (RMS value) at f = 500 kHz is measured with RS = 0 Ω and bandwidth = 5 kHz.

3. The ripple rejection is measured with RS = 0 Ω and f = 100 Hz to 10 kHz. The ripple voltage of 200 mV, (RMS value)

is applied to the positive supply rail.

4. The noise output voltage (RMS value) is measured with RS = 5 kΩ unweighted.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

positive supply voltage range

4.5

−

total quiescent current

VP = 6 V; RL = ∞

note 1

−

712

Maximum gain; V4 = 1.4 V

output power

THD = 10%

TDA7052A

1.0

1.1

−

TDA7052AT

0.5

0.55

−

THD

total harmonic distortion

TDA7052A

PO = 0.5 W

−

0.3

TDA7052AT

PO = 0.25 W

−

0.3

voltage gain

34.5

35.5

36.5

input signal handling

V4 = 0.8 V; THD < 1%

0.5

0.65

−

Vno(rms)

noise output voltage (RMS value)

f = 500 kHz; note 2

−

210

−µV

bandwidth

−1 dB

−

20 Hz to

300 kHz

−

SVRR

supply voltage ripple rejection

note 3

−

off|

DC output offset voltage

−

150

input impedance (pin 2)

Ω

Minimum gain; V4 = 0.5 V

voltage gain

−−44

−

Vno(rms)

noise output voltage (RMS value)

note 4

−

µV

Mute position

output voltage in mute position

V4 ≤ 0.3 V; VI = 600 mV

−−

µV

DC volume control

gain control range

−

control current

V4 = 0.4 V

µA

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