—1—E93704A79-TE

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license byany implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating theoperation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

Absolute Maximum Ratings (Ta=25 °C)

• Supply voltage VCC 14 V

• Operating temperature Topr –10 to +60 °C

• Storage temperature Tstg –50 to +125 °C

• Allowable power dissipation

PD 700 mW

(CXA1619M)

PD 1000 mW

(CXA1619S)

Recommended Operating Conditions

Supply voltage VCC 2 to 7.5 V

(CXA1619M)

VCC 2 to 8.5 V

(CXA1619S)

Description

CXA1619M/S is a one-chip FM/AM radio IC

designed for radio-cassette tape recorders and

headphone tape recorders, and has the following

functions.

Features

• Small number of peripheral components.

• Low current consumption (VCC=3 V)

For FM : ID=5.3 mA (Typ.)

For AM : ID=3.4 mA (Typ.)

• Built-in FM/AM select switch.

• Large output of AF amplifier.

EIAJ output=500 mW (Typ.) when

VCC=6 V, load impedance 8 Ω

Function

FM section

• RF amplifier, Mixer and OSC

(incorporating AFC variable capacitor).

• IF amplifier

• Quadrature detection

• Tuning LED driver

AM section

• RF amplifier, Mixer and OSC (with RF AGC)

• IF amplifier (with IF AGC)

• Detector

• Tuning LED driver

AF section

• Electronic volume control

Structure

Bipolar monolithic IC

FM/AM Radio

CXA1619M CXA1619S

28 pin SOP (Plastic) 30 pin SDIP (Plastic)

CXA1619M/S

—2—

CXA1619M/S

Block Diagram

CXA1619M

CXA1619S

28 27 26 25 24 23 22 21 20 19 18 17 16 15

FM/AFBAND

SELECTAM

IF INFM

IF INNCMETERIF

GNDAFCAGC

AFCAGC

DETOUT

AFIN

RippleFILTERVCC

AFOUTGND

GND FMDISCRI

NF AMOSC

AFC FMOSC

RegOUT

FMRF

AMRF IN

NC FMRF IN

FEGND

FM/AFFE OUT

VOL1 2 3 4 5 6 7 8 9 10 11 12 13 14

AM IF DET AGCTUNING METER

FM IFAM FE

FMDISCRIMINATOR

FM FE

AF POWER AMP

28 27 26 25 24 23 22 21 20 19 18 17 16

15

FM/AFBAND

SELECTAM

IF INFM

IF INNCMETERIF

GNDAFCAGC

AFCAGC

DETOUT

AFIN

RippleFILTERVCC

AFOUTGNDGND

GND FMDISCRI

NF AMOSC

AFC FMOSC

RegOUT

FMRF

AMRF IN

NC FMRF IN

FEGND

FM/AFFE OUT

VOL

1 2 3 4 5 6 7 8 9 10 11 12 13 14

2930

GND

AF POWER AMP

TUNING METER

FMDISCRIMINATOR

AM IF DET AGC

AM FE

FM FE

FM IF

—3—

CXA1619M/S

Standard Circuit Design Data (The pin numbers in the parenthesis are for CXA1619S.)

Voltage (V)

No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description

FM AM FM AM

1

(1, 2)

2 (3)

3 (4)

27 (28)

4 (5)

5 (6)

6 (7)

8 (9)

7 (8)

GND

FM DISCRI

NF

AF OUT

VOL CONT

AM OSC

AFC

REG OUT

FM OSC

0 0 0 0

2.18 2.70 4.88 5.43

1.5 1.5 3.0 3.0

1.5 1.5 3.0 3.0

1.25 1.25 1.25 1.25

1.25 1.25 1.25 1.25

1.25 ∗ 1.25 ∗

1.25 1.25 1.25 1.25

1.25 1.25 1.25 1.25

2

1k

1.2k

3

27

VCC

GND

×100

×100

4

GND

20k

80k

5

3.6k

6

81.25V(REG)

7

Phase-shift circuit Connect

ceramic discriminator

Negative feedback pin

Power amplifier output pin

Connect variable resistor for

electronic volume control.

AM local oscillation circuit

AFC variable capacitor pin

Regulator pin 1.25 V (Typ.)

FM local oscillation circuit

—4—

CXA1619M/S

Voltage (V)

No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description

FM AM FM AM

9 (10)

12 (13)

10 (11)

11 (12)

13 (14)

14 (15)

15 (16)

16 (17)

17 (18)

18 (19)

FM RF

FM RF IN

AM RF IN

NC

GND

(FE GND)

FM/AM

FE OUT

BAND

SELECT

AM IF IN

FM IF IN

NC

1.25 1.25 1.25 1.25

0.3 0 0.3 0

1.25 1.25 1.25 1.25

0 0 0 0

0 0 0 0

0.36 0.2 0.36 0.2

1.30 0 1.30 0

0 0 0 0

0.34 0 0.88 0

0 0 0 0

93p

8k

1k12

10

VCC

AM FM

22014

15

GND

VCC

16 2k

GND

17360

Connect FM RF tuning coil

FM RF input pin

AM RF input pin

IF output pin of FM and AM.

Connect IF filter.

FM and AM bands selection

switch pin. During GND it

becomes AM and during

open it becomes FM.

Input pin of AM IF.

Input pin of FM IF.

—5—

CXA1619M/S

Voltage (V)

No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description

FM AM FM AM

19 (20)

20 (21)

21 (22)

22 (23)

23 (24)

24 (25)

25 (26)

26 (27)

28

(29, 30)

METER

GND

AFC/AGC

AFC/AGC

DET OUT

AF IN

RIPPLE

FILTER

VCC

GND

1.6 1.6 4.5 4.5

0 0 0 0

1.25 1.49 1.25 1.49

1.25 1.25 1.25 1.25

1.25 1.0 1.25 1.0

0 0 0 0

2.71 2.71 5.4 5.4

3.0 3.0 6.0 6.0

0 0 0 0

GND

19

×3

N

1.25V

22

21

23

33k 39k

GND

2411k

×4 ×4

82kGND

2517k

73k

90k

VCC

Meter drive circuit

(For tuning indicator)

AFC pin of W band.

During AM, it determines

time constant of AGC

AFC pin of J band.

During AM, it determines

time constant of AGC.

Detection output pin

Power amplifier input pin

Ripple filter

Power supply pin

Power GND

∗ The pin voltage of pin 6 during AM, it is the same pin voltage of pin 22 (23) during J BAND and is the same

pin voltage of pin 21 (22) during W BAND.

—6—

CXA1619M/S

No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14

Item

AM

circ

uit c

urre

nt

FM

circ

uit c

urre

nt

FM

fron

t end

vol

tage

gai

n

FM

det

ectio

n ou

tput

leve

l

FM

IF k

nee

leve

l

FM

det

ectio

n ou

tput

dist

ortio

n fa

ctor

FM

met

er c

urre

nt

AM

fron

t end

vol

tage

gai

n

AM

IF v

olta

ge g

ain

AM

det

ectio

n ou

tput

leve

l

AM

met

er c

urre

nt

AM

det

ectio

n ou

tput

dist

ortio

n fa

ctor

Aud

io v

olta

ge g

ain

Aud

io d

isto

rtio

n fa

ctor

Sym

bol

ID1

ID2

GV

1

VD

1

VD

2

TH

D1

IB1

GV

2

GV

3

VD

3

IB2

TH

D2

GV

4

TH

D3

SW

con

ditio

ns

12

34

56

AB

AA

AA

AB

AA

BA

AB

AA

BA

A—

—A

BA

A—

—A

BA

A—

—A

BA

A—

—A

BA

AA

AA

AA

AA

—A

AA

AA

—A

AA

AA

—A

AA

AA

BB

AA

A—

——

—B

A—

——

—B

Tes

t

Poi

nt

IA IA VA

VD

VD

VD IM VB

VD

VD IM VD

VE

VE

Con

ditio

ns

No

sign

al, A

M

No

sign

al, F

M

VIN

1=40

dB

µV, 1

00 M

Hz

VIN

3=90

dB

µV, 1

0.7

MH

z

(1 k

Hz,

22.

5 kH

z D

EV

)

VIN

3=le

vel a

t a p

oint

3 d

B d

own

from

VIN

3=90

dB

µV, 1

0.7

MH

z

(1 k

Hz,

22.

5 kH

z D

EV

)

VIN

3=90

dB

µV, 1

0.7

MH

z

(1 k

Hz,

75

kHz

DE

V)

VIN

3=60

dB

µV, 1

0.7

MH

z

VIN

2=60

dB

µV, 1

660

kHz

VIN

3w

hen

455

kHz

(1 k

Hz,

30

% M

OD

)

outp

ut is

–34

dB

m

VIN

3=85

dB

µV, 4

55 k

Hz

(1 k

Hz,

30

% M

OD

)

VIN

3=85

dB

µV, 4

55 k

Hz

VIN

2=95

dB

µV, 1

660

kHz

(1 k

Hz,

30

% M

OD

) V

CC=

7.8

V

VIN

4=–3

0 dB

m, 1

kH

z

Dis

tort

ion

fact

or fo

r ou

tput

of 5

0 m

W

VIN

4=–2

0 dB

m, 1

kH

z

Min

.T

yp.

Max

.U

nit

—3.

510

.0m

A

—7.

014

.0m

A

3239

46dB

3977

.515

5V

rms

—24

32dB

µV

—0.

32.

0%

1.8

3.5

7.0

mA

1522

29dB

1420

27dB

µV

3977

.515

5V

rms

1.3

3.0

7.0

mA

—0.

62.

0%

2731

.536

dB

—0.

32.

5%

Ele

ctri

cal C

har

acte

rist

ics

(See

the

Ele

ctric

al C

hara

cter

istic

s T

est C

ircui

t, T

a=25

°C

, VC

C=

6 V

)

0 dB

µV=

1 µV

—7—

CXA1619M/S

Ele

ctri

cal C

har

acte

rist

ics

Tes

t C

ircu

it

IFT

24p

2k11

2233

4455

6677

8899

VIN

2

VIN

1

VIN

3

VA

VB

100

250.

01µ

0.01

µ

0.01

µ

10µ

150µ

H

1µ

1µ1µ

1µ

0.01

µ0.

01µ

0.01

µ

0.01

2µ

4.7µ

100µ

0.04

7µ

0.04

7µ

470µ

S2

B A33

0 2k

CF

1

30p

RE

G

150

43p

10p

2200

p

1000

p10

p30

p30

p

100k

8p

24p

OS

C

AF

C

BA

S1

150

CF

333

k

33k

24k

24k

1011

1213

14

VE

GN

DV

CC

8

1516

1718

1920

2122

2325

2426

2728

5kA

BS

6

IMV

DV

IN4

S5

S4

S3

BB

B

AA

A

AM

/FM

IF O

UT

FE

GN

DF

M IN

NC

AM

INF

M R

FR

EG

FM

OS

CA

FC

AM

OS

CV

OL

NF

FM

DIS

CR

IG

ND

BA

ND

SE

LEC

TA

MIF

INF

MIF

INN

CM

ET

ER

IFG

ND

AG

CA

FC

AG

CA

FC

DE

TO

UT

AF IN

RIP

PLE

VC

CA

F O

UT

GN

D

CF

1 :

CF

3 :

IFT

:O

SC

:

AM

455

kHz

C.F

.F

M D

ISC

RIM

INA

TO

RA

M 4

55kH

z IF

TA

M O

SC

CX

A16

19M

50k

—8—

CXA1619M/S

Ap

plic

atio

n C

ircu

it 1

13

45

26

78

910

1112

1314 15

1617

1819

2021

2223

2524

2627

28

AM

/FM

IF O

UT

FE

GN

DF

MR

F IN

NC

AM

RF

FM RF

RE

GO

UT

FM

OS

CA

FC

AM

OS

CV

OL

NF

DIS

CR

IG

ND

BA

ND

SE

LEC

TA

MIF

INF

MIF

INN

CM

ET

ER

IFG

ND

AF

CA

GC

AF

CA

GC

DE

TO

UT

AF IN

RIP

PLE

VC

CA

FO

UT

GN

D

AN

TL1

C1

2p

L2C

218

p

L3C

322

pL4

C4

6p

C5

10µ

C6

0.01

µ

C7

1pR

110

0k

R3

150

S2

RV

150

k

RV

210

k

BA

TT

EP

J

C21

220µ

10V

C20

0.1µ

C18

470µ

6.3V

C17

10µ

50V

C19

0.1µ

C15

0.47

µ/50

V

D1

C16

0.02

2µC

1410

µ50

V

C13

4.7µ

50V

C12

10µ

50V

R6

1k

CF

2

R5

330

CF

1

T1

C11

100p

R4

2.2k

C10

0.01

µ

S1

FM AM

BP

F

CX

A16

19M

CF

3

C8

4.7µ

50V

App

licat

ion

circ

uits

sho

wn

are

typi

cal

exam

ples

illu

stra

ting

the

oper

atio

n of

the

dev

ices

. S

ony

cann

ot a

ssum

e re

spon

sibi

lity

for

any

prob

lem

s ar

isin

g ou

t of t

he u

se o

f the

se c

ircui

ts o

r fo

r an

y in

frin

gem

ent o

f thi

rd p

arty

pat

ent a

nd o

ther

rig

ht d

ue to

sam

e.

—9—

CXA1619M/S

Ap

plic

atio

n C

ircu

it 2

12

34

56

78

910

1112

1314

15 1617

1819

2021

2223

2524

2627

28

AM

/FM

IF O

UT

FE

GN

DF

MR

F IN

NC

AM

RF

FM RF

RE

GO

UT

FM

OS

CA

FC

AM

OS

CV

OL

NF

DIS

CR

IG

ND

BA

ND

SE

LEC

TA

MIF

INF

MIF

INN

C

GN

D

ME

TE

RIF

GN

DA

FC

AG

CA

FC

AG

CD

ET

OU

TA

F INR

IPP

LEV

CC

AF

OU

TG

ND

GN

D

2930

AN

T

C5

10µ

C6

0.01

µ

C7

1pR

110

0k

C8

4.7µ

50C

F3

R3

150

L1C

12p

L2C

218

p

L3C

322

pL4

C4

6p

RV

150

k

R2

10k

S2

BA

TT

EP

J

C21

220µ

10V

C20

0.1µ

C18

470µ

6.3V

C17

10µ

50V

C19

0.1µ

C15

0.47

µ/50

V

D1

C16

0.02

2µC

144.

7µ50

V

C13

10µ

50V

C12

10µ

50V

CF

2

R5

330

CF

1

T1

C11

100p

R4

2.2k

C10

0.01

µ

S1

FM AM

BP

F

CX

A16

19S R6

1k

App

licat

ion

circ

uits

sho

wn

are

typi

cal

exam

ples

illu

stra

ting

the

oper

atio

n of

the

dev

ices

. S

ony

cann

ot a

ssum

e re

spon

sibi

lity

for

any

prob

lem

s ar

isin

g ou

t of t

he u

se o

f the

se c

ircui

ts o

r fo

r an

y in

frin

gem

ent o

f thi

rd p

arty

pat

ent a

nd o

ther

rig

ht d

ue to

sam

e.

—10—

CXA1619M/S

Coil data

AM OSC

Core diameter ø 0.06 mm 2UEW

Equivalent to L-5K7-H5 R12-1684X. Mitsumi Electric Co., Ltd.

or 7TRS-8441X TOKO Co., Ltd.

FM RF

FM OSC

AM bar antenna

BPF PFWE8

(88 to 108 MHz) Soshin Electric Co., Ltd.

CF1 SFU-455B Murata Mfg. Co., Ltd. Or BFCFL-455 TOKO Co., Ltd.

CF2 SFE10.7MA5 Murata Mfg. Co., Ltd.

CF3 CDA10.7MC1 Murata Mfg. Co., Ltd.

f (kHz)

796

L (µH)

1 to 3

270

QO

1 to 3

125

1 to 3

107

4 to 6

29

f (kHz)

796

L (µH)

650

Primary

91 t

Secondary

20 t

S

1

2

3 4

5

6

AM IFT

Core diameter ø 0.07 mm UEW

Equivalent to 21K7-H5 R12-8558A. Mitsumi Electric Co., Ltd.

or 7MC-7789N TOKO Co., Ltd.

S

1

2

3 4

5

6

φ 4mm φ 0.6mm 4.5t

φ 4mm φ 0.6mm 3.5t

Primary

Secondary

Number of widings (t)

CO (pF)

1 to 3

180

QO

1 to 3

90

1 to 2

111

2 to 3

35

4 to 6

7

Number of widings (t)

—11—

CXA1619M/S

CXA1619M Evaluation Board

Parts layout (mounting side) Pattern

CXA1619S Evaluation Board

Parts layout (mounting side) Pattern

SONY CODE

EIAJ CODE

JEDEC CODE

SOP-28P-L04

PACKAGE STRUCTURE

PACKAGE MATERIAL

LEAD TREATMENT

LEAD MATERIAL

PACKAGE MASS

42/COPPER ALLOY

SOLDER PLATING

EPOXY RESIN

28PIN SOP (PLASTIC)

18.8 – 0.1+ 0.4

1528

0.45 ± 0.1 1.27

9.3

2.3 – 0.15+ 0.4

0.1 – 0.05+ 0.2

0.5

± 0.

2

0.2 – 0.05+ 0.1

7.6

– 0.

1+

0.3

10.3

± 0

.4

14

M0.24

SOP028-P-0375

1

0.7g

0.15

SONY CODE

EIAJ CODE

JEDEC CODE

30PIN SDIP (PLASTIC)

26.9 – 0.1+ 0.4

15

1630

1.778

10.1

6

8.5

– 0.

1+

0.3

0.25

– 0

.05

+ 0.

1

0° to 15°

0.5 ± 0.1

0.9 ± 0.15

3.0

MIN

0.5

MIN

3.7

– 0.

1+

0.4

SDIP-30P-01

SDIP030-P-0400

1

PACKAGE STRUCTURE

MOLDING COMPOUND

LEAD TREATMENT

LEAD MATERIAL

PACKAGE MASS

EPOXY RESIN

PLATING

COPPER ALLOY

1.8g

SOLDER/PALLADIUM

1.All mat surface type.Two kinds of package surface:

2.All mirror surface type.

Package Outline Unit : mm

CXA1619M

CXA1619S

CXA1619M/S

This data sheet has been made from recycled paper to help protect the environment.

—12—

4

SCHEMATIC DIAGRAM-1 <U Model>

MA

IN C

. B

FU

NC

TIO

N C

. B

FM

AN

T

SN

OO

ZE

C. B

24P

1/50

4.7/16

100/10

1000/10

4.7K

12K

KTA

1267

-Y KTA

1267

-Y

100/

1012

K

0.47

/50

220/

10

22K

1N41

48

1N41

48

1N41

48

100

6F22

N

PV

C1

VC

-1~

VC

-4T

C-1

~T

C-4

()

5

1 2 3 4 5 6 7

A

B

C

D

E

F

G

H

I

J

CIRCUIT BOARD DIAGRAM-1 (MAIN C.B) <U Model>

L1(A

M A

NT

)

LD51

MAIN C. B

PVC1

VC-1~VC-4TC-1~TC-4( (

6

SCHEMATIC DIAGRAM-2 <EZ Model>

MA

IN C

. B

FU

NC

TIO

N C

. B

FM

AN

T

SN

OO

ZE

C. B

24P

1/50

4.7/16

100/10

1000/10

4.7K

12K

KTA

1267

-Y KTA

1267

-Y

100/

1012

K

0.47

/50

220/

10

22K

1N41

48

1N41

48

1N41

48

100

6F22

N

PV

C1

VC

-1~

VC

-4T

C-1

~T

C-4

()

7

1 2 3 4 5 6 7

A

B

C

D

E

F

G

H

I

J

CIRCUIT BOARD DIAGRAM-2 (MAIN C.B) <EZ Model>

L1(A

M A

NT

)

LD51

MAIN C. B

PVC1

VC-1~VC-4TC-1~TC-4( (

8

SCHEMATIC DIAGRAM-3 <LH Model>

MA

IN C

. B

FU

NC

TIO

N C

. B

FM

AN

T

SN

OO

ZE

C. B

24P

1/50

4.7/16

100/10

1000/10

4.7K

12K

KTA

1267

-Y KTA

1267

-Y

100/

1012

K

0.47

/50

220/

10

22K

1N41

48

1N41

48

1N41

48

100

6F22

N

PV

C1

VC

-1~

VC

-4T

C-1

~T

C-4

()

9

1 2 3 4 5 6 7

A

B

C

D

E

F

G

H

I

J

CIRCUIT BOARD DIAGRAM-3 (MAIN C.B) <LH Model>

L1(A

M A

NT

)

LD51

MAIN C. B

PVC1

VC-1~VC-4TC-1~TC-4( (

12

ELECTRICAL ADJUSTMENT

15

4

2

3

6

TP1(FM IF INPUT)

TP2(GND)

TP5(SP–)

TP4(SP+)

MAIN C. B

1. AM IF AdjustmentT2 ................................................................................. 450 kHz

2. AM Freq. Range Adjustment <U Model>L4 ................................................................................. 515 kHzTC-4 ........................................................................... 1750 kHz

2. AM Freq. Range Adjustment <EZ, LH Model>L4 ................................................................................. 515 kHzTC-4 ........................................................................... 1635 kHz

3. AM Tracking Adjustment <U Model>L1 ................................................................................. 600 kHzTC-1 ........................................................................... 1500 kHz

3. AM Tracking Adjustment <EZ, LH Model>L1 ................................................................................. 600 kHzTC-1 ........................................................................... 1400 kHz

4. FM IF AdjustmentT1 ............................................................................... 107 MHz

5. FM Freq. Range Adjustment <U, LH model>L3 .............................................................................. 87.0 MHzTC-3 ........................................................................ 109.0 MHz

5. FM Freq. Range Adjustment <EZ Model>L3 .............................................................................. 87.4 MHzTC-3 ........................................................................ 108.3 MHz

6. FM Tracking AdjustmentL2 ................................................................................. 90 MHzTC-2 ........................................................................... 106 MHz

13

IC BLOCK DIAGRAM

IC, CXA1619BS

IC, LM8560N