Datasheets CXA1619A Datasheet

—1—

E98419-TE

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation 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

(CXA1619AM)

PD 1000 mW

(CXA1619AS)

Recommended Operating Conditions

Supply voltage VCC 2 to 7.5 V

(CXA1619AM)

VCC 2 to 8.5 V

(CXA1619AS)

Description

CXA1619AM/AS 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=5.8 mA (Typ.) For AM : ID=4.7 mA (Typ.)

• Built-in FM/AM select switch.

• Large output of AF amplifier.

EIAJ output=450 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

CXA1619AM CXA1619AS

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

CXA1619AM/AS

For the availability of this product, please contact the sales office.

—2—

CXA1619AM/AS

Block Diagram

CXA1619AM

CXA1619AS

FM/AM

BAND

SELECT

AM

IF IN

FM

IF INNCMETER

IF

GND

AFC AGC

DET OUT

AF

IN

Ripple

FILTERVCC

AF

OUTGND

GND FM

DISCRI

NF AM

OSC

AFC FM

OSC

Reg

OUTFMRFAMRF IN

NC FM

RF INFEGND

FM/AM

FE OUT

VOL

TUNING METER

FM IF

FM

DISCRIMINATOR

FM FE

AF POWER AMP

1 2 3 4 5 6 7 8 9

10 11 12 13 14

28 27 26 25 24 23 22 21

20 19 18 17 16

15

AM IF DET AGC

AM FE

FM/AM

BAND

SELECT

AM

IF IN

FM

IF INNCMETER

IF

GND

AFC AGC

DET OUT

AF

IN

Ripple

FILTERVCC

AF

OUTGNDGND

GND FM

DISCRI

NF AM

OSC

AFC FM

OSC

Reg

OUTFMRFAMRF IN

NC FM

RF INFEGND

FM/AM

FE OUT

VOL

GND

AM IF DET AGC

AM FE

FM FE

FM IF

28 27 26 25 24 23 22 21

20 19 18 17

16

2930

AF POWER AMP

TUNING METER

FM

DISCRIMINATOR

15

1 2 3 4 5 6 7 8 9

10 11 12 13 14

—3—

CXA1619AM/AS

Standard Circuit Design Data (The pin numbers in the parenthesis are for CXA1619AS.)

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

1.25 1.25 1.25 1.25

1.25 ∗ 1.25 ∗

1.25 1.25 1.25 1.25

2

1k

1.2k

3

27

V

CC

GND

×100

4

GND

20k

80k

5

3.6k

6

8

1.25V (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—

CXA1619AM/AS

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

0.36 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

9

3p

8k

1k

12

10

V

CC

AM FM

220

14

15

GND

V

CC

16

2k

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—

CXA1619AM/AS

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

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

24

11k

×4 ×4

82k

GND

25

17k

73k 90k

V

CC

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—

CXA1619AM/AS

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Item

AM circuit current

FM circuit current

FM front end voltage gain

FM detection output level

FM IF knee level

FM detection output

distortion factor

FM meter current

AM front end voltage gain

AM IF voltage gain

AM detection output level

AM meter current

AM detection output

distortion factor

Audio voltage gain

Audio distortion factor

Symbol

ID1

ID2

GV1

VD1

VD2

THD1

IB1

GV2

GV3

VD3

IB2

THD2

GV4

THD3

SW conditions

1 2 3 4 5 6

A B A A A A

A B A A B A

A — — A B A

A A A A A A

A A — A A A

A A B B A A

A — — — — B

Test

Point

IA

VA

VD

IM

VB

VD

IM

VD

VE

Conditions

No signal, AM

No signal, FM

V

IN1=40 dBµV, 100 MHz

VIN3=90 dBµV, 10.7 MHz

(1 kHz, 22.5 kHz DEV)

VIN3=level at a point 3 dB down from

VIN3=90 dBµV, 10.7 MHz

(1 kHz, 22.5 kHz DEV)

VIN3=90 dBµV, 10.7 MHz

(1 kHz, 75 kHz DEV)

VIN3=60 dBµV, 10.7 MHz

VIN2=60 dBµV, 1660 kHz

VIN3 when 455 kHz (1 kHz, 30 % MOD)

output is –34 dBm

VIN3=85 dBµV, 455 kHz

(1 kHz, 30 % MOD)

VIN3=85 dBµV, 455 kHz

VIN2=95 dBµV, 1660 kHz

(1 kHz, 30 % MOD)

VIN4=–30 dBm, 1 kHz

Distortion factor for output of 50 mW

VIN4=–20 dBm, 1 kHz

Min. Typ. Max. Unit

— 4.8 10.0 mA

— 7.6 14.0 mA

32 39 46 dB

39 77.5 155

mVrms

— 24 32 dBµV

— 0.3 2.0 %

1.8 3.5 7.0 mA

15 22 29 dB

14 20 27 dBµV

39 77.5 155

mVrms

1.3 3.0 7.0 mA

— 0.6 2.0 %

27 31.5 36 dB

— 0.9 2.5 %

Electrical Characteristics (See the Electrical Characteristics Test Circuit, Ta=25 °C, VCC=6 V)

0 dBµV=1 µV

—7—

CXA1619AM/AS

Electrical Characteristics Test Circuit

GNDVCC

Ripple

FILTER

AF

IN

DET

OUT

AFC

AGC

AFC

AGC

IF

GNDMETERNC

FM

IF IN

AM

IF IN

FM/AM

BAND

SELECT

AF

OUT

GNDNFVOLAM

OSC

AFCFM

OSC

Reg

OUT

FM

RF

AM

RF IN

NCFM

RF IN

FE

GND

FM/AM

FE OUT

FM

DISCRI

CXA1619AM

1501µCF3

33k

24k

24k50k

AB

33k

2k

S1

24p

OSC

AFCREG

100k

8p

30p30p

1000p

10p

43p150 150µH

0.01µ

AB

B

A

BBA

A

S5

A

B

S6

S2

10µ

0.01µ100

V

IN2

VIN1

VIN3

VA

VB

S4

S3

5k

IFT

CF1

30p

24p

0.01µ 330

2k

BPF

123456789

1011121314

0.01µ

0.01µ 0.012µ 0.047µ

0.047µ

470µ

100µ

VD

1µ

4.7µ

VIN4IM

1µ

8

VE

15

16 17

18

19 20 24

25

26 27

282321

22

GND

VCC

CF1

CF3

IFT

OSC

: AM 455kHz C.F.

: FM DISCRIMINATOR

: AM 455kHz IFT

: AM OSC

—8—

CXA1619AM/AS

Application Circuit 1

GNDVCC

Ripple

FILTER

AF

IN

DET

OUT

AFC

AGC

AFC

AGC

IF

GNDMETERNC

FM

IF IN

AM

IF IN

FM/AM

BAND

SELECT

AF

OUT

GNDNFVOLAM

OSC

AFCFM

OSC

Reg

OUT

FM

RF

AM

RF IN

NCFM

RF IN

FE

GND

FM/AM

FE OUT

FM

DISCRI

CXA1619AM

150R3

CF3

RV1

50k

R2

10k

ANT

R4

2.2k

C11

100p

C10

0.01µ

R6

1k

R5

330

CF1

CF2

R7

D1

T1T1

C8

4.7µ

50

C4

6p

L4

C3

22p

L3

R1

100k

C7

1p

C2

18p

L2L1L1

FM

S1

AM

C1

2p

BPF

12

3

45

6

7

89

1011121314

C12

10µ

50V

C13

10µ

50V

C17

10µ

50V

C18

470µ

6.3V

C21

220µ

10V

C15

0.47µ

50V

C14

4.7µ

50V

C16

0.022µ

C20

0.1µ

C19

0.1µ

15 16 17 18 19 20 24 25 26 27 282321 22

EPJ

BATT

S2

C5

10µ

C6

0.01µ

Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for

any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.

—9—

CXA1619AM/AS

Application Circuit 2

GNDGNDVCC

Ripple

FILTER

AF

IN

DET

OUT

AFC

AGC

AFC

AGC

IF

GNDMETERNC

FM

IF IN

AM

IF IN

FM/AM

BAND

SELECT

AF

OUT

GNDGNDNFVOLAM

OSC

AFCFM

OSC

Reg

OUT

FM

RF

AM

RF IN

NCFM

RF IN

FE

GND

FM/AM

FE OUT

FM

DISCRI

CXA1619AS

150R3

CF3

RV1

50k

R2

10k

ANT

R4

2.2k

C11

100p

C10

0.01µ

R6

1k

R5

330

CF1

CF2

R7

D1

T1T1

C8

4.7µ

50

C4

6p

L4

C3

22p

L3

R1

100k

C7

1p

C2

18p

L2L1L1

FM

S1

AM

C1

2p

BPF

123456789

1011

12

13

14

15

C12

10µ

50V

C13

10µ

50V

C17

10µ

50V

C18

470µ

6.3V

C21

220µ

10V

C15

0.47µ

50V

C14

4.7µ

50V

C16

0.022µ

C20

0.1µ

C19

0.1µ

16 17 18 19 20 21 25 26 27 28 29 302422 23

EPJ

BATT

S2

C5

10µ

C6

0.01µ

Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for

any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.

—10—

CXA1619AM/AS

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)

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

M

0.24

SOP028-P-0375

1

0.7g

0.15

SONY CODE EIAJ CODE JEDEC CODE

30PIN SDIP (PLASTIC)

26.9 – 0.1

+ 0.4

15

16

30

1.778

10.16

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

CXA1619AM

CXA1619AS

CXA1619AM/AS

—11—

NOTE : PALLADIUM PLATING

This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame).