Philips TDA1020 User Manual

Page 6

Advertising
background image

November 1982

6

Preliminary Specification

Philips Semiconductors

Product specification

12 W car radio power amplifier

TDA1020

Notes

1. Measured with an ideal coupling capacitor to the speaker load.

2. Measured with a load resistor of 40 k

Ω.

3. Measured according to IEC curve-A.

4. Maximum ripple amplitude is 2 V; input is short-circuited.

5. Total current when disconnecting pin 5 or short-circuited to ground (pin 9).

6. The tab must be electrically floating or connected to the substrate (pin 9).

Input impedance

preamplifier

|Z

i

|

typ.

40 k

28 to 52 k

power amplifier

|Z

i

|

typ.

40 k

28 to 52 k

Output impedance

preamplifier

|Z

o

|

typ.

2,0 k

1,4 to 2,6 k

power amplifier

|Z

o

|

typ.

50 m

Output voltage (r.m.s. value) at d

tot

= 1%

preamplifier (note 2)

V

o(rms)

>

1 V

typ.

1,5 V

Frequency response

B

50 Hz to 25 kHz

Noise output voltage (r.m.s. value; note 3)

R

S

= 0

V

n(rms)

typ.

0,3 mV

<

0,5 mV

R

S

= 8,2 k

V

n(rms)

typ.

0,5 mV

<

1,0 mV

Ripple rejection (note 4)

at f = 100 Hz; C2 = 1

µ

F

RR

typ.

44 dB

at f = 1 kHz to 10 kHz

RR

>

48 dB

typ.

54 dB

Bootstrap current at onset of clipping (pin 4)

R

L

= 4

and 2

I

4

typ.

40 mA

Stand-by current (note 5)

I

sb

<

1 mA

Crystal temperature for

3 dB gain

T

c

>

150

°

C

Advertising