TDA7072AT datasheet(5/10 Pages) PHILIPS

Part #	TDA7072AT

Description	Single BTL power driver

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 10 page

July 1994

5

Philips Semiconductors

Objective speciﬁcation

Single BTL power driver

TDA7072A/AT

CHARACTERISTICS

VP = 5 V; f = 1 kHz; Tamb = 25 °C; unless otherwise speciﬁed (see Fig.3>). TDA7072A: RL = 8 Ω;

TDA7072AT: RL = 16 Ω.

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 divided by RL.

2. The output voltage swing is typically limited to 2 x (VP −2.1 V) (see Fig.4).

3. The noise output voltage (RMS value), unweighted (20 Hz to 20 kHz) is measured with RS = 500 Ω.

4. 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.

5. The DC common mode voltage range is limited to (VP −2.2 V).

6. The common mode rejection ratio is measured at Vref = 1.4 V, VI(CM) = 200 mV and f = 1 kHz.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VP

positive supply voltage range

3.0

5.0

18

V

IORM

repetitive peak output current

−−

0.6

A

IP

total quiescent current

RL = ∞; note 1

−

48mA

∆VOUT

output voltage swing

note 2

5.2

5.8

−

V

THD

total harmonic distortion

VOUT = 1 V (RMS)

TDA7072A

−

0.3

−

%

TDA7072AT

−

0.1

−

%

Gv

voltage gain

32.5

33.5

34.5

dB

Vno(rms)

noise output voltage (RMS value)

note 3

−

75

150

µV

B

bandwidth

−−

1.5

MHz

SVRR

supply voltage ripple rejection

note 4

40

55

−

dB

|∆V5-8|

DC output offset voltage

RS = 500 Ω−

−

100

mV

VI(CM)

DC common mode voltage range

note 5

0

−

2.8

V

CMRR

DC common mode rejection ratio

note 6

−

100

−

dB

ZI

input impedance

−

100

−

k

Ω

Ibias

input bias current

−

100

300

nA

SR

slew rate

−

12

−

V/

µs

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