SGS Thomson Microelectronics TDA8191 Datasheet

.

HIGHSENSITIVITY

.

EXCELLENTAM REJECTION

.

DCVOLUME CONTROL

.

PERITELEVISIONFACILITY

.

4W OUTPUTPOWER

.

LOW DISTORTION

.

THERMAL PROTECTION

.

TURN-ON AND TURN-OFF MUTING

TDA8191

TV SOUND CHANNEL

DIP20

(Plastic Package)

ORDER CODE : TDA8191

DESCRIPTION

The TDA8191isa monolithicintegratedcircuitthat
includesallthefunctionsneededfora completeTV
soundchannel.TheTDA8191is assembledina 20
pin dual in line power package.

PIN CONNECTION

TURN-ONAND TURN-OFFMUTING

SOUNDIF INPUT

IF DECOUPLING
IF DECOUPLING

GND

GND
DETECTOR(FM)
DETECTOR(FM)

DEEMPHASISAND AF OUT

AF INPUT

1
2
3
4
5
6
7
8
9
10

20
19
18
17
16
15
14
13
12
11

AF PA INPUT
AF PA FEEDBACK
SUPPLYVOLTAGE
AF PA OUTPUT
GND
GND
DCVCOUTPUT
VOLUMECONTROL
REF.VOLTAGE
FUNCTIONSWITCH

8191-01.EPS

September 1993

1/6

TDA8191

BLOCK DIAGRAM

V

IF IN

S

C5

C1

C2

C3

R1

C6

2

3

4

REGULATOR

IF
AMP.
LIM.

VOLTAGE

C7

R3

TURN-ONAND

TURN-OFF

LOW-PASS

FILTER

FM

DETECTOR

1

SWITCH

THRESHOLD

SENSOR

AMPLI.

R0 1.1kΩ

DC VOLUME

CONTROL

C12

1418

20

AFPA

THERMAL

PROTECTION

R

L

C15

17

19

13

12

R4

C17

C16

R5

R8

R7 P2

R6

VOLUME

5 61516

78

L1

C8 C11

C9

9 10 11

C10

C13

AF OUT AF IN

SWITCH

CTRL

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V
V
I
I

P

T

stg,Tj

S

O
O

tot

Supply Voltage(pin 18) 28 V
Voltage at Pin1 ± V

l

Input Voltage(pin 2) 1 V

I

S

Output Peak Current (repetitive) 1.5 A
Output Peak Current (non repetitive) 2 A
Total Power Dissipation : at Tpins = 90°C

at Tamb = 70°C

4.3
1

Storage and Junction Temperature – 40 to 150 °C

THERMALDATA

Symbol Parameter Value Unit

R

th (j-pins)

R

th (j-a)

Junction-pins Thermal Resistance Max 14 °C/W
Junction-ambient Thermal Resistance Max 80 °C/W

8191-02.EPS

PP

W
W

8191-01.TBL

8191-02.TBL

ELECTRICALCHARACTERISTICS

(Refer to fig. 1 ; V

=25oC unlessotherwise specified)

T

amb

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

V

V

2/6

Supply Voltage(Pin 18) Vc = 4.5V 10.8 24 27 V

S

Quiescent Output Voltage (Pin 17) Vc = 4.5V 11 12 13 V

O

Pin 1 DC Voltage Vc = 4.5V 5.3 V

1

I

Quiescent Drain Current Vc = 4.5V 35 mA

D

V

Input LimitingVoltage at Pin 2 (– 3dB) Vo = 4V

I

=24V,RL=16Ω, Pin11 floating, ∆f=±50kHz, Vi=1mV, fo=5.5MHz, fm= 1kHz,

S

RMS

50 100 µV

8191-03.TBL

TDA8191

ELECTRICALCHARACTERISTICS (continued)

(Referto fig.1 ; V

=25oC unless otherwise specified)

T

amb

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

9

R

9

AMR Amplitude Modul. Rejection m = 0.3, V

R

I

C

I

V

12

Kv Volume Attenuation V

∆K

V

∆T

j

P

O

SVR Supply Voltage Rej.

V

11

R

11

V

10

R

10

CT Crosstalk betweenPins 9, 10 60 dB

S + N

N

d Distortion (P

∆f Deviation Sens. V

=24V, RL=16Ω, Pin11 floating, ∆f=±50kHz,Vi= 1mV, fo= 5.5MHz, fm= 1kHz,

S

Recovered AudioVoltage (pin 9) VC= 4.5V, ∆f=±15kHz 200 400 mV
Deemphasis Resistance f = 20Hz to 20kHz 500 700 1000 Ω

O

=4V

RMS

45 60 dB
Input Resistance(pin 2) ∆f=0 30 kΩ
Input Capacitance(pin 2) ∆f = 0, VC=4.5V 6 pF
DCVC Reference Voltage 5.6 6.2 V

= 0.5V ; Fig.2

C

= 4.5V ; Fig.2 80

V

C

Volume AttenuationThermal Drift Tj= 300 to 380°K Fig. 3 –

1.0 dB

– 0.1 dB/°C

0.05

Output Power(d = 10%) 3.5 4 W

(Pin 17)
(Pin 9)

V
f

ripple

= 4.5V

C

= 100Hz

205026

60

Function Switch.

- TelevisionBroadc.

Reproduction 0 2 V

or Pin11 Floating

- Peritelevision Reproduction 8 12 V
Input Resistance 10 kΩ
Input Voltage(d ≤ 2%) VO=4V

RMS;V11

= 12V 0.5 2.0 V

Input Resistance f = 20Hz to 20kHz 10 kΩ

Signal to Noise Ratio ∆f=0;VO=4V

= 250mV) 2 %

O

= 0.5V ; VO=4V

C

RMS

RMS

60 70 dB

± 4 ± 10 kHz

RMS

dB

dB
dB

RMS

8191-04.TBL

Figure1 : TestCircuit

V

S

0.1µF470µF

0.1µF

IF

input

V

i

0.1µF

L1 : Qu =80 @ f0= 5.5MHz

2

51Ω

3

4

0.1µF

68pF

8.2pF

7 8

R1

270kΩ

4.7µF

TDA 8191

9101112

68nF

L1

1µF

1µF

OUT

V10

IN

V11
SW

1565118

13 14 20

4.5kΩ

24kΩ

11kΩ

16

17

15kΩ

19

22µF

Ω

270

22µF

V

C

470µF

220nF

22Ω

V

o

RL

8191-03.EPS

3/6

TDA8191

TYPICALAPPLICATION

V

S

0.1µF470µF

0.1µF

IF

input

560Ω

L1 : Qu = 80e,fo = 5.5MHz.

560Ω

0.1µF

0.1µF

270kΩ

4.7µF

R1 = 1.8kΩ

C1 = 4.7nF

470

220nF

R2

6.6Ω

µF

V

o

RL

8191-04.EPS

11kΩ

24kΩ

Volume

161565

2.2µF

17

15kΩ

19

2.2µF

Ω

270

V

C

18

2

1

TDA 8191

3

7 8

4

68pF

8.2pF

9 10 11 12 13 14 20

68nF

L1

1µF

OUT

1µF

V9

V11
SW

V10

IN

1.5k

Ω

Figure 2 : Volume Attenuationversus

DC Volume Control Voltage

K Tip (dB) T = 300°k

T

0
10
20
30

12 dB

(30 +/-6 dB)

40
50
60

k+ Noise

70
80
90

1

23450

V (V)

C

k

Figure4 : Relative Audio OutputVoltageand

Output Noise versus Input Signa

S+N

V (dB)

o

N (dB)

0

V

-2

o

-4

-6

-8

-10

-12

S+N

N

-14

10

V(µV)

i

4

10

-16

0dB = 4V

-18

10 10

2

10

3

Figure3 : Volume Attenuation Thermal Drift

∆K (dB)

30
20

10

TYP at T = 380°k
WORST CASE at T = 380°k

J

J

0

-10

-20

-30

-40
°k

-50

8191-05.EPS

10

30 50 70 90 110

8191-06.EPS

Figure5 : Distortion versus Output Power

d (%)

10

V = 12V, R = 8Ω

SL

V = 24V, R = 16

SL

Ω

10
20

0

8

6

30
40
50
60
70
80
90

5

4

2

0

10

8191-07.EPS

Pl

o

(W)

-2

10

-1

1

10

8191-08.EPS

4/6

TDA8191

Figure6 : Audio AmplifierFrequency Response

V (dB)

o

2

0

-2

-4

V=8V

11

V = 200V

10

R

L

=16

Ω

-6
f(Hz)

A

-8

10 10

2

10

3

10

4

10

5

Figure8 : Power Dissipation versus Supply Volt-

age (sinewave operation)

P (W)

tot

4

d = 10%

3

2

Ω

R=8

L

R=16Ω

L

1

V (V)

s

0

8 101214161820222426

28

Figure10 : QuiescentDrain and QuiescentOut-

put Voltageversus SupplyVoltage

20

15

V

o
V=0

i

P2 = 12k

Ω

I

S

I (mA)

S

33

32

Figure7 : Output Power versus Supply Voltage

P (W)

o

5

d =10%

4

3

2

R=8Ω

L

R = 16= Ω

L

1

V(V)

s

0

8 101214161820222426

8191-09.EPS

Figure9 : Power Dissipation and Efficiencyver-

sus Output Power

3

2.5

2

P (W)

tot

R=16Ω

L

P

tot

η

η (%)

1.5

1

P (W)

o

8191-11.EPS

1

23450

28

100

80

60

40

20

8191-10.EPS

0

8191-12.EPS

V

10

o

5

V (V)

s

0

8 1216202428

31

30

29

8191-13.EPS

5/6

TDA8191

PACKAGE MECHANICAL DATA

20 PINS- PLASTIC DIP

I

a1

L

Z

Dimensions

b

e3

20 11

110

B

D

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

e

Z

F

E

a1 0.254 0.010

B 1.39 1.65 0.055 0.065

b 0.45 0.018

b1 0.25 0.010

D 25.4 1.000
E 8.5 0.335

e 2.54 0.100

e3 22.86 0.900

F 7.1 0.280

i 3.93 0.155

L 3.3 0.130

Z 1.34 0.053

b1

PM-DIP20.EPS

DIP20.TBL

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for anyinfringement of patents or other rights of third partieswhich may result
from its use. Nolicence is granted byimplication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products arenot authorized for use as critical components inlife
support devices or systems without express written approval of SGS-THOMSON Microelectronics.

 1994 SGS-THOMSON Microelectronics - All Rights Reserved

Purchase of I

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6/6