Datasheet TEA5594 Datasheet (Philips)

INTEGRATED CIRCUITS

DATA SH EET

TEA5594

AM/FM radio receiver circuit

Product specification
File under Integrated Circuits, IC01

March 1991

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

GENERAL DESCRIPTION

The TEA5594 is a 32-pin integrated radio circuit designed
for use in all Electronic Tuned Radio (ETR) sets especially
those sets which have to fulfil the immunity requirements
of CENELEC.

The AM circuit incorporates:

• A double balanced mixer

• A ‘one-pin’ oscillator with amplitude control operating in

the LW/MW frequency range

• An IF amplifier and AM detector

• An AGC circuit which controls the IF amplifier and mixer

The FM circuit incorporates:

• A front-end (fulfilling the “out of band” CENELEC
requirements)

• Two IF amplifiers (for distributed selectivity)

• A quadrature demodulator with a ceramic filter

PACKAGE OUTLINE

32-lead shrink DIL; plastic (SOT232); SOT232-1; 1996 September 9.

The TEA5594 also contains:

• Oscillator output buffers for AM and FM

• A combined AM/FM IF counter output buffer with

counter “enable” function

• A field strength level detector for AM and FM

• A soft mute circuit at FM, adjustable

• An extra IF amplifier to split up IF filtering

Features

• Low distortion on FM

• AM/FM level/indicator circuit

• A DC AM/FM switch facility

• Supply voltages 2.7 to 15 V

• A local distance switch facility (LOCAL-DX) at FM

• All pins are ESD protected

March 1991 2

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

QUICK REFERENCE DATA

PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

Supply voltage (pin 9) V

P

Total current consumption

AM part I
FM part I

Operating ambient temperature range T

AM performance (pin 22)

Sensitivity V

note 1

= 10 mV V

o

(S + N)/N = 26 dB V

Signal-to-noise ratio V

= 1 mV (S + N)/N − 48 − dB

i

AF output voltage V

P
P

amb

i
i

o

Total harmonic distortion THD − 0.8 − %
Signal handling m = 80%; THD = 8% V

FM performance (pin 30)

note 2

Limiting sensitivity −3 dB; note 3 V
Signal-to-noise ratio V

= 3 µV (S + N)/N − 26 − dB

i

= 1 mV (S + N)/N − 60 − dB

V

i

AF output voltage V

i

i

o

Total harmonic distortion THD − 0.1 − %
Maximum signal handling V
AM suppression 100 µV < V

<

i

i

100 mV AMS − 50 − dB

2.7 − 15 V

− 13 − mA

− 24 − mA

−40 − +85 °C

− 3.5 −µV

− 16 −µV

− 50 − mV

− 100 − mV

− 2.5 −µV

− 90 − mV

− 200 − mV

Notes to the quick reference data

1. All parameters are measured in the application circuit (see Fig.5) at nominal supply voltage V

unless otherwise specified. RF conditions: Input frequency 1 MHz; 30% modulated with f

= 8.5 V; T

p

= 1 kHz; unless

mod

otherwise specified.

2. All parameters are measured in the application circuit (see Fig.5) at nominal supply voltage Vp = 8.5 V; T

unless otherwise specified. RF conditions: Input frequency 100 MHz; frequency deviation ∆f = 22.5 kHz and
f

= 1 kHz; unless otherwise specified.

mod

3. Soft mute switched off.

March 1991 3

= 25 °C;

amb

= 25 °C;

amb

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March 1991 4

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

FM

oscillator

GND

(FM front-end)

FM RF

output

FM RF

input

FM RF

decoupled

FM RF

AGC

26

OSCILLATOR

32

28

30
31

RF AMPLIFIER

29

FM

BUFFER

BUFFER

FM

FM

AGC

GND

(oscillator buffer)

FM

MIXER

AM RF

AM RF

input

decoupled

AM

RF AMPLIFIER

BUFFER

TEA5594

AM

mixer outputAMoscillator

AM MIXER

BUFFER

AM

OSCILLATOR

OSCILLATOR

LEVEL

CONTROLLER

AM AGC

AM

AGC

FM

LEVEL

DETECTOR

FM

IF LIMITER

AM IF

input

141525162319 22

AM

IF AMPLIFIER

AM

DETECTOR

AM

LEVEL

DETECTOR

AF

SOFT MUTE

FM

DEMODULATOR

13

1

11

AM / FM

level indicator

output

soft mute

FM

demodulator

FM IF1

input

FM RF STABILIZER

FM

demodulator

FM IF

2.3 V

FM IF

input

AM

oscillator

output

FM

front-end

FM RF

1.6 V

FM IF

V

P

AM GND

handbook, full pagewidth

AM

AM

1.6 VFM2.3 V

4

FM

IF AMPLIFIER

3 5 17 2 18 27 9 10 24 8 6 7 20 21

FM IF

2.3 V

FM IF1

outputFMoscillator

output

FM

mixer

output

Fig.1 Block diagram.

BUFFER

IF

counter

output

IF

IF

counter

enable

input

12

MLA283

AF output

AM / FM

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

handbook, full pagewidth

IF +

mute

FM

mixer output

2.3 V

FM IF

2.3

FM IF1

input

2.3 V

FM IF1

output

2.2 V

FM IF

2.3 V

FM IF

input

2.3 V

FM stabilizer

2.3 V

IF +

I level

soft

V

p6

32

1

2

3

4

5

6

7

8

IF + p8

360 Ω

(3 x)

360 Ω

(4 x)

V

FM RF +

330 Ω

IF + p6

ref

FM OSC
FM OSC

330 Ω

TEA5594

IF + p8

FM MIXER

AM +

2 pF

FM RF +

FM RF +

330

Ω

IF + p6

1.5
kΩ

12.5
kΩ

25 Ω

GND FM front-end

31

FM RF decoupled

1.6 V

FM RF input

30

0.9 V

FM RF AGC

29

1 to 0.3 V

FM RF output

28

FM RF

stabilizer

27

1.6 V

26

FM oscillator

25

AM oscillator

2.7 to 15 V

GND (FM - IF

AM)

FM demodulator

1.3 V

AF output AM/FM

AM ~ 0.3 V

FM ~ 1.1 V
AM/FM

level indicator

output

AM IF input

0.8 V

AM AGC

1.5 to1.1 V

mixer output

1.6 V

V

P

9

3.9
kΩ

AM OSC
AM OSC

4.2
kΩ

AM
+

10.3
kΩ

1.7
kΩ

8.9 kΩ

AM +

V

ref

AM + IF + p8

2 kΩ

510 Ω

700 Ω

FM RF +

1

kΩ

10

V

P

1.5 kΩ

AM
AGC

IF + p8 AM

2.7
kΩ

14
kΩ

AM AGC

+

V

ref

2 kΩ

AM +

11

12

13

14

15

16

24

23

22

21

20

19

18

300 Ω

17

AM voltage stabilizer

1.6 V

AM RF decoupled

1.1 V

AM RF input

IF counter

enable input

IF counter

output

GND

(oscillator buffer)

AM

oscillator output

FM

oscillator output

MLA284

Fig.2 Equivalent circuit diagram.

March 1991 5

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

PINNING

handbook, full pagewidth

soft mute

FM mixer output

FM IF 2.3 V

FM IF1 input

FM IF1 output

FM IF 2.3 V

FM IF input

FM stabilizer 2.3 V

+V

GND (FM-IF AM)

FM demodulator

AF output AM / FM

AM / FM level indicator output

AM IF input

AM AGC

AM mixer output FM oscillator output

1
2
3
4
5
6
7
8

TEA5594

9

P

10
11
12

13
14
15
16

MLA285 - 1

32

GND (FM front-end)
FM RF decoupled

31

FM RF input

30

FM RF AGC

29

FM RF output

28

FM front-end voltage stabilizer

27

FM oscillator

26

AM oscillator

25

AM voltage stabilizer

24
23

AM RF decoupled
AM RF input

22
21

IF counter enable input
IF counter output

20

19

GND (oscillator buffer)

18

AM oscillator output

17

Fig.3 Pinning diagram.

March 1991 6

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

RATINGS

Limiting values in accordance with the Absolute Maximum System (IEC 134)

PARAMETER CONDITIONS SYMBOL MIN. MAX. UNIT

Supply voltage (pin 9) V
Total power dissipation P
Storage temperature range T
Operating ambient temperature range T
Electrostatic handling

(1)

P
tot
stg
amb

V

es

Note

1. Equivalent to discharging a 200 pF capacitor through a 1.5 kΩ series resistor.

− 18 V

see Fig.4

−65 +150 °C

−40 +85 °C

−2000 +2000 V

P
(W)

3

tot

2

1

0

–50

handbook, halfpage

0 50 150

100

T

amb

Fig.4 Power derating curve.

MLA286

o

C)

(

March 1991 7

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

DC CHARACTERISTICS

All voltages are referenced to pin 10, pin 19 and pin 32; all input currents are positive; all parameters are measured in
application circuit (see Fig.5) at nominal supply voltage V

PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

Supply voltage V

Voltages (FM)

Pin 4 V
Pin 5 V
Pin 7 V
Pin 8 V
Pin 12 V
Pin 27 V
Pin 29 V
Pin 30 V
Pin 31 V

Voltages (AM)

Pin 12 V
Pin 14 V
Pin 15 V
Pins 22 and 23 V
Pin 24 V

Total current consumption

AM part I
FM part I

= 8.5 V; T

P

P

4
5
7
8
12
27
29
30
31

12
14
15

, V

22

23

24

P
P

= 25 °C unless otherwise specified.

amb

2.7 8.5 15 V

− 2.3 − V

− 2.2 − V

− 2.3 − V

− 2.3 − V

− 1.15 − V

− 1.6 − V

− 1.0 − V

− 0.9 − V

− 1.6 − V

− 0.2 − V

− 0.8 − V

− 1.54 − V

− 1.1 − V

− 1.6 − V

− 13

− 24

(1)
(1)

mA
mA

Note

1. Value to be fixed.

March 1991 8

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

AC CHARACTERISTICS

All parameters are measured in test circuit (see Fig.6) at nominal supply voltage V
otherwise specified.

PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
AM SECTION
AM front end

Conversion transconductance V

note 1

= 10 mV

i

V

(pin 15)

AGC

= V

- 0.1 V S

24

V

= V24- 0.45 V S

AGC

C
C

(9)
(9)

IF suppression note 2 α 20 30 − dB

Oscillator (pin 25)

Voltage f = 1.5 MHz V

osc

− 160

Oscillator buffer

Output voltage
(peak-to-peak value) V

IF and detector part

note 3

18

(9)

IF sensitivity;
AF output voltage no AGC;

V

= 90 µVV

i(IF)

o

30 40 60 mV
Signal + noise to noise no AGC;
ratio for an IF input V
AF output voltage V
Total harmonic distortion V

= 90 µVS+N/N 22 24 30 dB

i(IF)

= 1 mV V

i(IF)

= 10 mV;

i(IF)

o

35 50 70 mV

m = 80% THD 0.75 2 5 %

(9)

V

i(IF)

(9)

=

to

mV;

m = 30% THD −

= 6 V; T

P

13.5

1.2

= 25 °C unless

amb

(9)
(9)

(9)

140 − mV

(9)

− %

mA/V
mA/V

mV

Indicator/level detector

Output voltage V

= 0 V V

i(IF)

V

= 200 µVV

i(IF)

V

= 10 mV V

i(IF)

AM IF counter output buffer

Counter “enable”
Output voltage
(peak-to-peak value) V
Counter “disable”
Suppression of 468 kHz V

Overall performance

Total harmonic distortion V
Signal handling THD =

note 4

= 50 mV THD −−8%

i(RF)

(9)

%; m = 0.8% −

March 1991 9

13
13
13

20

20

(9)

(9)

(9)

100 125 − mV

−40 −−dB

560
3200
6600

(9)

(9)
(9)
(9)

−

mV
mV
mV

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

Counter enable circuit

IF counter output OFF V
IF counter output ON V

21
21

FM SECTION
FM front end

Conversion transconductance V

note 5

= 1 mV;

i(RF)

V

= 1.1 V S

AGC

V

= 1 mV;

i(RF)

V

= 0.8 V S

AGC

c

c

Oscillator (pin 26)

Voltage V

osc

Oscillator buffer

Output voltage
(peak-to-peak value) V

IF and demodulator part

note 6

17

IF sensitivity note 7
AF output voltage V

= 40 µV

i(IF)

no mute V
with mute V

o
o

AM suppression note 8 α−
Signal + noise-to-noise no mute;
ratio for an IF input V

AF output voltage V
Total harmonic distortion V

= 40 µVS+N/N 28 46 50 dB

i(IF)

V

= 1 mV S+N/N −

i(IF)

= 1 mV V

i(IF)
i(IF)

= 50 mV

o

∆f = 75 kHz THD − 1 − %
∆f = 22.5 kHz THD −

−−0.8 V

2 − V

P

V

16 24 32 mA/V

5 10 15 mA/V

− 250 - mV

(9)

270 − mV

−3 −10 dB

−20 −30 −40 dB

(9)

(9)

(9)

85

(9)

-dB

− dB

(9)

mV

− %

Indicator/level detector

Output voltage V

= 0 V V

i(IF)

V

= 50 µVV

i(IF)

V

= 1 mV V

i(IF)

AM/FM IF counter output
buffer

Counter “enable” note 5
Output voltage
(peak-to-peak value) V
Counter “disable”
Suppression of 10.7 MHz V

March 1991 10

13
13
13

20

20

(9)

(9)

(9)

− 130 − mV

−40 - − dB

2600
5750
6250

(9)
(9)
(9)

mV
mV
mV

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

Counter enable circuit

IF counter output OFF V
IF counter output ON V

21
21

−−0.8 V

2 − V

AM/FM switch

FM OFF/AM ON V
FM ON/AM OFF V

8-10
24-10

− 00V

− 00V

Notes to the characteristics

1. Input frequency = 1 MHz, output frequency = 468 kHz;
V

C

=

---------------- ­V

oIF()
iRF()

S

N2 N3⁄

------------------- ­R

( see TR2 Component data)×

Where R = 1.2 kΩ (total impedance at pin 16).

2. α = 20 log (Vi at fi = 468 kHz)/(Vi at fi = 1 MHz); Vo = 10 mV; no AGC.

3. Input frequency = 468 kHz; m = 30% modulated with f

= 1 kHz; R

mod

= 800 Ω unless

source

otherwise specified.

4. Front-end connected to IF plus detector part (see Fig.5). Input frequency = 1 MHz; m = 80%
modulated with f

= 1 kHz.

mod

5. Input frequency = 100 MHz, output frequency = 10.7 MHz;

V

S

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

c

V

N1 N2⁄

oIF()

× see TR3 Component data()=

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

iRF()

R

Where R = 6.6 kΩ (total impedance at pin 2).

6. Input frequency = 10.7 MHz; frequency deviation, ∆f = 22.5 kHz and f

=1 kHz; unless

mod

otherwise specified.

7. Reference: AF output voltage = 0 dB at V

= 1 mV;

i(IF)

No mute: V1 = V8;
With mute: V1 = 0 V.

8. AM suppression is measured with AM only: m = 0.8% and f
FM only: ∆f = 75 kHz and f

= 1 kHz.

mod

= 1 kHz referred to AF output at

mod

9. Value to be fixed.

v

P

V

March 1991 11

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March 1991 12

APPLICATION AND TEST INFORMATION

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

4.7
µF

FM

50 Ω

560 Ω

27 Ω

91 Ω

1 nF

1

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

TR1

68
pF

N1 N2

688 pF

22 nF

22 nF

47 kΩ

BB204B

100 kΩ

1 nF 1 nF

L1

1 µF

29303132

SFE

10.7MS3

56 Ω

3.3 kΩ2 kΩ8.2 kΩ

28

K2K2

47 kΩ

BB204G

100 kΩ

1 nF 1 nF

3.3 pF
L2

22 nF

27

SFE

10.7MS3

AM

10 nF

33

22
nF

100 kΩ

BB112

TR2

26

390
pF

5.6 pF

N1

N2

TEA5594

47 µF22 nF

22 nF

22 nF

50 Ω

µF

K3

AM

AM

50 Ω

10 nF

CDA

10.7MC1

mono 22 nF

stereo 680 pF

22
kΩ

to pin 24

K1

SFZ468HL3

33 µF

171819202122232425

TR3

N1

N3

180
pF

N2

MLA287

For coil information see Component data.

handbook, full pagewidth

Fig.5 Application circuit for evaluation.

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March 1991 13

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

4.7
µF

1

100

10 nF

100 Ω

22 nF

50 Ω

4.7
pF

L1

4.7
kΩ

28

75 Ω

62 Ω

0.68

4.7 nF100 nF

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

TR1

N2 N1

300 Ω

µF

68
pF

100
nF

29303132

8-18
pF

274 Ω

AM

kΩ

BB4058

L2

27

K2

SFE

10.7MS3

47 µF100

12
pF

15

8-18

pF

pF

N2 N1

26

TEA5594

nF

1
MΩ

TR2

AM

BB204

10
pF

100 nF

47 µF

100nF47

100 nF

50 Ω

CDA

10.7MC6

µF

100 nF

7.6

5 pF

kΩ

10 nF 10 nF 10 nF

100 nF

15

K3

nF

22
kΩ

787 Ω

50 Ω

8 pF

100

kΩ

180

pF

680 nF

N1

N2

3 kΩ

TR3

1.6
kΩ

7 pF

171819202122232425

N3

For coil information see Component data.

handbook, full pagewidth

Fig.6 Factory test circuit.

to pin24

MLA288

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

Component data
COILS

N1 = 4.5
L = 100 µH

N1 = 4.5
L = 94 µH

handbook, halfpage

1

N1

MLA289

2

Fig.7 FM-RF coil (L1). TOKO equivalent no. MC115.

handbook, halfpage

1

N1

MLA289

2

Fig.8 FM oscillator coil (L2). TOKO equivalent no. A294SNS-1004NK.

handbook, halfpage

N1 = 12
N2 = 2
C= 68 pF (internal)
fo = 10.7 MHz
Wire = 0.07 mm diameter
Coil type TOKO 119BCS-A6515BQG

3

N1 N2

C

1

Fig.9 FM-IF coil (TR1).

handbook, halfpage

N1 = 55
N2 = 55
Lprim = 106 µH
Wire = 0.05 mm diameter
Coil type TOKO 7MCS

3

N1 N2

1

Fig.10 AM oscillator coil (TR2).

March 1991 14

4

6

MLA290

4

6

MLA291

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

handbook, halfpage

N1 = 139
N2 = 15
N3 = 9
C = 180 pF (internal)
Lprim = 660 µH
fo= 468 MHz
Wire = 0.07 mm diameter
Coil type TOKO 7MC

CERAMIC FILTERS

AM-IF (K1). SFZ468HL3.
FM-IF (K2). SFE10.7MS3.
FM detector (K3). CDA10.7MC1 (MC6).

3

C

N1

2

1

N2

N3

MLA292

Fig.11 AM-IF coil (TR3).

4

6

March 1991 15

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

PACKAGE OUTLINE

SDIP32: plastic shrink dual in-line package; 32 leads (400 mil)

D

seating plane

L

Z

32

pin 1 index

e

b

SOT232-1

M

E

A

2

A

A

1

w M

b

1

17

E

c

(e )

M

1

H

1

0 5 10 mm

scale

DIMENSIONS (mm are the original dimensions)

A

A

A

UNIT b

Note

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

mm

OUTLINE
VERSION

SOT232-1

max.

4.7 0.51 3.8

12

min.

max.

IEC JEDEC EIAJ

1.3

0.8

b

1

0.53

0.40

REFERENCES

0.32

0.23

cEe M

(1) (1)

D

29.4

28.5

March 1991 16

9.1

8.7

16

(1)

Z

L

3.2

2.8

EUROPEAN

PROJECTION

M

10.7

10.2

E

12.2

10.5

e

1

w

H

0.181.778 10.16

ISSUE DATE

92-11-17
95-02-04

max.

1.6

Philips Semiconductors Product specification

AM/FM radio receiver circuit TEA5594

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”

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.

DEFINITIONS

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.

(order code 9398 652 90011).

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
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.

stg max

). If the

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.

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.

March 1991 17