Datasheet TDA1522-V2-S1 Datasheet (Philips)

DATA SH EET

Product specification
File under Integrated Circuits, IC01

1996 Feb 26

INTEGRATED CIRCUITS

TDA1522

Stereo cassette head
preamplifier and equalizer

1996 Feb 26 2

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

FEATURES

• Two independent amplifiers with open-loop gain of
90 dB (typical)

• Internal DC feedback via 140 kΩ resistor from output to
feedback point

• AC characteristics that can be determined externally by
an RC network

• Electronic on/off switching with transient suppression for
switch on

• Head input at DC ground that eliminates the input
coupling capacitor

• Minimum external component requirement

• Stability down to a gain of 30 dB

• Low input noise

• Low distortion

• DC input current <2 µA

• Wide supply voltage range.

GENERAL DESCRIPTION

The TDA1522 is a playback amplifier for car radio/cassette
players.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

V

P

supply voltage (pin 8) 7.5 − 23 V

I

P

supply current (pin 8) − 5 − mA

T

amb

operating ambient temperature −30 − +85 °C

THD total harmonic distortion − 0.05 − %

α

cs

channel separation RS=10kΩ; LS=0 45 −−dB

TYPE

NUMBER

PACKAGE

NAME DESCRIPTION VERSION

TDA1522 SIL9MP plastic single in-line medium power package; 9 leads SOT142-1

1996 Feb 26 3

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

BLOCK DIAGRAM

Fig.1 Block diagram with external components; also used as test circuit.

handbook, full pagewidth

MLD337

AMP 1

SUPPLY

&

MUTE

AMP 2

feedback 1

R

fb1

feedback 2

R

fb2

TDA1522

R

L1

C

c1

V

o1

R

L2

4.7 kΩ

10 µF

4.7 kΩ

10 µF

C

c2

V

o2

V

P

9

8

5

1

7

6

4

3

2

C201

22 nF

R201R202

C101

22 nF

R101

5.6 kΩ

140 kΩ

R102

8.2 Ω

5.6 kΩ

140 kΩ

8.2 Ω

C202

MUTE

V

i1

V

i2

R = 300 Ω

S1

L = 80 mH

S1

R = 300 Ω

S2

L = 80 mH

S2

C102

220

µF

220

µF

output 1

output 2

1996 Feb 26 4

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

PINNING

SYMBOL PIN DESCRIPTION

V

o1

1 output voltage 1
MUTE 2 mute input
FB1 3 feedback 1
V

i1

4 input voltage 1
GND 5 ground
V

i2

6 input voltage 2
FB2 7 feedback 2
V

P

8 power supply
V

o2

9 output voltage 2

Fig.2 Pin configuration.

handbook, halfpage

TDA1522

MGC396

1V

MUTE

FB1

FB2

GND

o1

V

o2

V

i1

V

i2

V

P

2
3
4
5
6
7
8
9

1996 Feb 26 5

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134); note 1.

Note

1. All pins except 3 and 7 (feedback) can be connected to VP (pin 8) or ground (pin 5).

CHARACTERISTICS

V

P

= 8.5 V; T

amb

=25°C; see test circuit Fig.1; unless otherwise specified.

SYMBOL PARAMETER MIN. MAX. UNIT

V

P

supply voltage (pin 8) 7.5 23 V

I

fb

feedback current (pins 3 and 7) − 10 mA

P

tot

total power dissipation − 800 mW

T

amb

operating ambient temperature −30 +85 °C

T

stg

storage temperature −55 +150 °C

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply (pin 8)

V

P

supply voltage 7.5 − 23 V

I

P

supply current − 5 − mA

Inputs (pins 4 or 6)

V

ni(rms)

unweighted noise input voltage
(RMS value)

f = 20 Hz to 20 kHz;
measured in Fig.3

− 1.6 −

µV

V

ni

noise input voltage RS= 0; f = 1 kHz; measured

in Fig.3; see also Fig.5

− 5 −

I

ni

noise input current f = 1 kHz; measured in Fig.3;

see also Fig.6

− 1.2 −

I

4,I6

DC input current at pins 4 and 6 −−−2µA

Z

i

 input impedance f = 1 kHz; note 1 200 −−kΩ
Outputs (pins 1 or 9); see Fig.7
V

o

output voltage Vi= 0.3 mV; f = 315 Hz − 0.72 − V

THD = 1%; f = 1 kHz 1.0 −−V

I

O

output source current V

2-5

≥ 7.5 V; mute off −5 −10 − mA

V

O

DC output voltage − 3.7 − V

V

no(rms)

weighted noise output voltage;
DIN A (RMS value)

RS= 300 Ω; LS=80mH − 700 −µV

V

no

weighted noise output voltage

CCITT (peak value) R

S

= 300 Ω; LS=80mH − 1200 −µV

CCIR (peak value) R

S

= 300 Ω; LS=80mH − 1600 −µV

V

no

unweighted noise output voltage;
DIN 45405 (peak value)

RS= 300 Ω; LS=80mH − 1800 −µV

Z

o

 output impedance f = 1 kHz; note 1 −−1kΩ

nV

Hz

----------- -

pA

Hz

----------- -

1996 Feb 26 6

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

Notes

1. Applies to each amplifier.

2. Frequency range 300 Hz to 20 kHz.

3. Referred to the input.

4. Measured selective.

Mute on/off (pin 2); see Fig.4
V

mute(on)

mute on voltage mute switch closed 0 − 1V

I

mute(on)

mute on current mute switch closed or

V

2-5

=0V

− 2.7 −µA

V

mute(off)

mute off voltage mute switch open 7.5 − V

P

V

General

R

fb

internal feedback resistor note 1 100 140 180 kΩ

G

v

open-loop voltage gain f = 315 Hz; note 1 − 90 − dB

α

cs

channel separation RS=10kΩ; LS= 0; note 2 45 −−dB

PSRR power supply ripple rejection V

P(rms)

= 0.1 V; f = 100 Hz;

note 3

90 95 − dB

THD total harmonic distortion f = 1 kHz; V

o

= 0.3 V; note 4 − 0.05 − %

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Fig.3 Test circuit for noise measurement.

handbook, full pagewidth

MLD338

AMP 1

SUPPLY

&

MUTE

AMP 2

feedback 1

R

fb1

feedback 2

R

fb2

R

S1

TDA1522

R

L1

C

c1

V

o1

R

L2

4.7 kΩ

10 µF

4.7 kΩ

10 µF

C

c2

V

o2

V

P

9

8

5

1

7

6

4

3

2

C201

10 µF

R201R202

C101

10 µF

R101

9.1 kΩ

140 kΩ

R102

8.2 Ω

9.1 kΩ

140 kΩ

8.2 Ω

C202

V

i1

V

i2

C102

1000

µF

1000

µF

output 1

output 2

4.7 kΩ

R

S2

4.7 kΩ

1996 Feb 26 7

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

Fig.4 Muting depth as a function of control voltage

at pin 2.

handbook, halfpage

0246

0

100

20

MLD339

40

60

80

V

o

(dB)

V (V)

2 5

Fig.5 Noise input voltage as a function of frequency.

handbook, full pagewidth

10

5

MLD340

10

4

10

3

10

2

10

10

2

1

10

f (Hz)

V

ni

(nV/ Hz)

(3)

(2)

(1)

(1) RS=10kΩ.
(2) RS=5kΩ.
(3) RS=0.

1996 Feb 26 8

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

Fig.6 Noise input current as a function of frequency.

handbook, full pagewidth

10

5

MLD341

10

4

10

3

10

2

10

10

1

10

f (Hz)

(pA/ Hz)

1

I

ni

Fig.7 Frequency response curve for the circuit in Fig.1.

handbook, full pagewidth

30

20

10

5

MLD342

10

4

10

3

10

2

10

20

10

0

10

g

f

g

315 Hz

(dB)

f (Hz)

1996 Feb 26 9

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

PRINTED-CIRCUIT BOARD

Fig.8 Printed-circuit board component side, showing component layout of Fig.1 and/or Fig.10.

handbook, full pagewidth

RM1

RM

R102

R101

R202

R201

RS1

RS2

D101

D201

CM

CVP1

C202
C102

C101

C201

V

i2

V

i1

C

C1

C

C2

R

L2

R

L1

V

o2

V

P

SM

MUTE

V

o1

MGC995

IC1

58

45

1996 Feb 26 10

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

APPLICATION INFORMATION

Fig.9 Simple mute application.

handbook, full pagewidth

MLD343

AMP 1

SUPPLY

&

MUTE

AMP 2

feedback 1

R

fb1

feedback 2

R

fb2

TDA1522

R

L1

C

c1

V

o1

R

L2

4.7 kΩ

10 µF

4.7 kΩ

10 µF

C

c2

V

o2

V

P

9

8

5

1

7

6

4

3

2

C201

22 nF

R201R202

C101

22 nF

R101

5.6 kΩ

140 kΩ

R102

8.2 Ω

5.6 kΩ

140 kΩ

8.2 Ω

R

150 kΩ

C202

V

i1

V

i2

R = 300 Ω

S1

L = 80 mH

S1

R = 300 Ω

S2

L = 80 mH

S2

C102

220

µF

220

µF

1 µF

output 1

output 2

m

MUTE

SWITCH

1996 Feb 26 11

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

Fig.10 Application for plop-free muting.

handbook, full pagewidth

MLD344

AMP 1

SUPPLY

&

MUTE

AMP 2

feedback 1

R

fb1

feedback 2

R

fb2

TDA1522

R

L1

C

c1

V

o1

R

L2

4.7 kΩ

10 µF

4.7 kΩ

10 µF

C

c2

V

o2

V

P

9

8

5

1

7

6

4

3

2

C201

22 nF

R201

1N4148

R202

C101

22 nF

R101

1N4148

5.6 kΩ

140 kΩ

R102

8.2 Ω

5.6 kΩ

140 kΩ

8.2 Ω

68 kΩ
68
kΩ

C202

V

i1

V

i2

R = 300 Ω

S1

L = 80 mH

S1

R = 300 Ω

S2

L = 80 mH

S2

C102

220

µF

220 µF

2.2
µF

output 1

output 2

MUTE

SWITCH

1996 Feb 26 12

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

PACKAGE OUTLINE

handbook, full pagewidth

UNIT A A

3

b

1

D

1

b

2

bcD

(1)

E

(1)

eL

REFERENCES

OUTLINE
VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC JEDEC EIAJ

mm

12
11

1.8

1.4

1.40

1.14

0.67

0.50

1.40

1.14

0.48

0.38

21.8

21.4

21.4

20.7

6.48

6.20

2.54

3.9

3.4

Q

1.75

1.55

DIMENSIONS (mm are the original dimensions)

Note

1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.

SOT142-1

92-11-17
95-02-09

0 5 10 mm

scale

Z

(1)

1.0

0.25

w

max.

D

E

A

A

c

A

2

3

L

Q

w M

b

b

1

b

2

D

1

Z

e

19

seating plane

pin 1 index

SIL9MP: plastic single in-line medium power package; 9 leads

SOT142-1

A

max.

2

3.7

1996 Feb 26 13

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

SOLDERING
Introduction

There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.

This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our

“IC Package Databook”

(order code 9398 652 90011).

Soldering by dipping or by wave

The maximum permissible temperature of the solder is
260 °C; solder at this temperature must not be in contact
with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.

The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (T

stg max

). If the
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.

Repairing soldered joints

Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300 °C it may remain in
contact for up to 10 seconds. If the bit temperature is
between 300 and 400 °C, contact may be up to 5 seconds.

DEFINITIONS

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.

Data sheet status

Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.

Limiting values

Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.

1996 Feb 26 14

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

NOTES

1996 Feb 26 15

Philips Semiconductors Product specification

Stereo cassette head
preamplifier and equalizer

TDA1522

NOTES

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SCDS47 © Philips Electronics N.V. 1996

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517021/1100/01/pp16 Date of release: 1996 Feb 26
Document order number: 9397 750 00693