CXA1619BM/BS - PS electronic, sro

CXA1619BM/BS
FM/AM Radio
For the availability of this product, please contact the sales office.
Description
CXA1619BM/BS is a one-chip FM/AM radio IC
designed for radio-cassette tape recorders and
headphone tape recorders, and has the following
functions.
CXA1619BM
28 pin SOP (Plastic)
CXA1619BS
30 pin SDIP (Plastic)
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=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
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
700
mW
PD
(CXA1619BM)
PD
1000
mW
(CXA1619BS)
Recommended Operating Conditions
Supply voltage
VCC
2 to 7.5
V
(CXA1619BM)
VCC
2 to 8.5
V
(CXA1619BS)
Structure
Bipolar monolithic IC
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.
—1—
E99214-TE
CXA1619BM/BS
Block Diagram
CXA1619BM
AF
GND OUT
28
27
Ripple AF
VCC FILTER IN
26
25
24
DET AFC AFC
OUT AGC AGC
23
22
21
AM IF DET AGC
AF POWER AMP
FM/AM
FM
AM BAND
IF IN IF IN SELECT
17
16
15
IF
GND METER NC
20
19
18
TUNING METER
AM FE
FM IF
FM
DISCRIMINATOR
FM FE
1
GND
2
3
FM
NF
DISCRI
4
5
6
VOL
AM
OSC
AFC
7
8
9
FM Reg
OSC OUT
FM
RF
10
AM
RF IN
14
12
13
FM
FE FM/AM
RF IN GND FE OUT
11
NC
CXA1619BS
AF
GND GND OUT
30
29
28
VCC
Ripple AF
FILTER IN
27
26
25
DET AFC AFC
OUT AGC AGC
24
23
22
AM IF DET AGC
AF POWER AMP
IF
GND METER NC
21
20
19
FM/AM
FM
AM BAND
IF IN IF IN SELECT
18
17
16
TUNING METER
AM FE
FM IF
FM
DISCRIMINATOR
FM FE
1
2
GND GND
3
4
FM
NF
DISCRI
5
6
7
VOL
AM
OSC
AFC
8
9
FM Reg
OSC OUT
—2—
10
FM
RF
11
AM
RF IN
12
NC
15
13
14
FM
FE FM/AM
RF IN GND FE OUT
CXA1619BM/BS
Standard Circuit Design Data
No.
1
(1, 2)
Symbol
GND
(The pin numbers in the parenthesis are for CXA1619BS.)
Voltage (V)
VCC=3 V VCC=6 V
FM AM FM AM
0
0
0
Equivalent circuit
Description
0
2
2 (3)
FM DISCRI
Phase-shift circuit Connect
ceramic discriminator
1k
2.18 2.70 4.88 5.43
1.2k
3 (4)
NF
VCC
1.5 1.5 3.0 3.0
×100
Negative feedback pin
27
×100
27 (28) AF OUT
1.5 1.5 3.0 3.0
GND
3
Power amplifier output pin
4
20k
4 (5)
VOL CONT
Connect variable resistor for
electronic volume control.
1.25 1.25 1.25 1.25
80k
GND
5
5 (6)
AM OSC
1.25 1.25 1.25 1.25
6 (7)
AFC
1.25
8 (9)
REG OUT
1.25 1.25 1.25 1.25
∗
1.25
3.6k
∗
AM local oscillation circuit
AFC variable capacitor pin
8
1.25V
(REG)
6
Regulator pin 1.25 V (Typ.)
7
7 (8)
FM OSC
1.25 1.25 1.25 1.25
FM local oscillation circuit
—3—
CXA1619BM/BS
No.
Symbol
Voltage (V)
VCC=3 V VCC=6 V
FM AM FM AM
Equivalent circuit
1.25 1.25 1.25 1.25
9
Description
3p
9 (10)
FM RF
Connect FM RF tuning coil
8k
12 (13) FM RF IN
0.3
0
0.3
12
0
FM RF input pin
1k
10
10 (11) AM RF IN
11 (12) NC
13 (14)
GND
(FE GND)
1.25 1.25 1.25 1.25
0
0
0
0
0
0
0
0
AM RF input pin
VCC
AM
FM/AM
14 (15)
FE OUT
FM
IF output pin of FM and AM.
Connect IF filter.
0.36 0.2 0.36 0.2
220
14
VCC
15 (16)
BAND
SELECT
1.30
0
1.30
FM and AM bands selection
switch pin. During GND it
becomes AM and during
open it becomes FM.
0
15
GND
16 (17) AM IF IN
0
0
0
0
17 (18) FM IF IN
0.34
0
0.88
0
0
0
0
0
18 (19) NC
16
2k
Input pin of AM IF.
Input pin of FM IF.
—4—
CXA1619BM/BS
No.
Symbol
Voltage (V)
VCC=3 V VCC=6 V
FM AM FM AM
Equivalent circuit
Description
19
×3
1.25V
19 (20) METER
Meter drive circuit
(For tuning indicator)
1.6 1.6 4.5 4.5
N
GND
20 (21) GND
0
0
0
0
21 (22) AFC/AGC
1.25 1.49 1.25 1.49
22 (23) AFC/AGC
1.25 1.25 1.25 1.25
22
33k 39k
21
23
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.
GND
23 (24) DET OUT
1.25 1.0 1.25 1.0
Detection output pin
11k
24
24 (25) AF IN
0
0
0
×4
0
×4
Power amplifier input pin
82k
GND
VCC
25 (26)
RIPPLE
FILTER
17k
2.71 2.71 5.4 5.4
25
73k
Ripple filter
90k
26 (27) VCC
28
GND
(29, 30)
3.0 3.0 6.0 6.0
0
0
0
Power supply pin
0
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.
—5—
GV3
VD3
IB2
THD2
GV4
THD3
AM IF voltage gain
AM detection output level
AM meter current
AM detection output
distortion factor
Audio voltage gain
Audio distortion factor
10
11
12
13
14
IB1
FM meter current
7
9
THD1
FM detection output
distortion factor
6
GV2
VD2
FM IF knee level
5
AM front end voltage gain
VD1
FM detection output level
4
8
ID1
ID2
GV1
Symbol
AM circuit current
FM circuit current
FM front end voltage gain
Item
1
2
3
No.
Electrical Characteristics
—6—
A
A
A
B
B
A — A
A — A
A — A
A
A
A
A
A
A
B
B
B
B
A
A
A
A
A
A
A
A
A
6
A
A
A
A — — — — B
A — — — — B
A
A
A
A
A
A — — A
A — — A
A — — A
A — — A
1
A
A
A
SW conditions
2 3 4 5
B A A A
B A A B
B A A B
VE
VE
VD
IM
VD
VD
VB
IM
VD
VD
VD
Test
Point
IA
IA
VA
27
—
Distortion factor for output of 50 mW
VIN4=–20 dBm, 1 kHz
—
1.3
39
14
15
1.8
—
—
39
—
—
32
Min.
VIN4=–30 dBm, 1 kHz
VIN2=95 dBµV, 1660 kHz
(1 kHz, 30 % MOD)
VIN3=85 dBµV, 455 kHz
VIN3 when 455 kHz (1 kHz, 30 % MOD)
output is –34 dBm
VIN3=85 dBµV, 455 kHz
(1 kHz, 30 % MOD)
VIN2=60 dBµV, 1660 kHz
VIN3=60 dBµV, 10.7 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)
No signal, AM
No signal, FM
VIN1=40 dBµV, 100 MHz
Conditions
0.9
31.5
0.6
3.0
77.5
20
22
3.5
0.3
24
77.5
4.8
7.6
39
Typ.
mA
mA
dB
Unit
dBµV
dB
mA
%
dBµV
%
dB
%
mA
0 dBµV=1 µV
2.5
36
2.0
7.0
155 mVrms
27
29
7.0
2.0
32
155 mVrms
10.0
14.0
46
Max.
(See the Electrical Characteristics Test Circuit, Ta=25 °C, VCC=6 V)
CXA1619BM/BS
—7—
VIN3
VB
VA
VIN1
VIN2
2k
330
24p
S2
30p
CF1
B
A
0.01µ
100
S3
B
A
IFT
2k
0.01µ
10µ
REG
Electrical Characteristics Test Circuit
13
12
B
S5
B S4
A
A
16
0.01µ
15
FM/AM
BAND AM
SELECT IF IN
17
AM
RF IN
10
FM
RF
9
18
IM
19
0.01µ
20
IF
NC METER GND
NC
11
0.01µ
FM
IF IN
FM/AM FE
FM
FE OUT GND RF IN
14
10p
1000p
150µH 43p
BPF
150
21
22
AFC
AGC
4.7µ
AFC
AGC
1µ
FM
OSC
7
B
5
24p
S6
4
S1
3
1µ
26
0.047µ 100µ
5k
25
2
CF3
150
1
470µ
28
GND
CF1
CF3
IFT
OSC
8
33k
33k
24k
24k
GND
VCC
VE
: AM 455kHz C.F.
: FM DISCRIMINATOR
: AM 455kHz IFT
: AM OSC
0.047µ
27
AF
OUT
FM GND
DISCRI
1µ
50k
Ripple
FILTER VCC
NF
B A
VOL
VIN4
A
24
AF
IN
AM
OSC
0.012µ
VD
1µ
23
DET
OUT
AFC
6
8p
30p
CXA1619BM
Reg
OUT
8
30p
100k OSC
AFC
CXA1619BM/BS
—8—
AM
FM
S1
ANT
C10
0.01µ
R4
2.2k
C11
100p
BPF
Application Circuit 1
CF1
15
R5
330
16
FM/AM
BAND AM
SELECT IF IN
17
AM
RF IN
10
FM
RF
9
18
19
C12
10µ
50V
20
IF
NC METER GND
CF2
FM
IF IN
NC
11
L2
C1
2p
L3
FM
OSC
7
C7
1p
21
22
6
R6
1k
DET
OUT
D1
24
AF
IN
VOL
4
NF
3
C15
0.47µ
50V
25
C17
10µ
50V
C19
0.1µ
26
Ripple
FILTER VCC
L4
AM
OSC
5
C16
0.022µ
R7
23
C3
22p
R1
100k
AFC
C14
4.7µ
50V
AFC
AGC
C13
10µ
50V
AFC
AGC
CXA1619BM
Reg
OUT
8
C2
18p
2
CF3
1
R3
C18
470µ
6.3V
27
28
150
C21
220µ
10V
GND
C20
0.1µ
AF
OUT
FM GND
DISCRI
C8
4.7µ
50
C4
6p
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.
T1
C6
0.01µ
13
12
FM/AM FE
FM
FE OUT GND RF IN
14
C5
10µ
L1
R2
10k
S2
EPJ
RV1
50k
BATT
CXA1619BM/BS
—9—
AM
FM
S1
ANT
C10
0.01µ
R4
2.2k
C11
100p
BPF
Application Circuit 2
CF1
16
R5
330
17
FM/AM
BAND AM
SELECT IF IN
18
AM
RF IN
11
FM
RF
10
19
20
C12
10µ
50V
21
IF
NC METER GND
CF2
FM
IF IN
NC
12
L2
C1
2p
L3
8
FM
OSC
22
23
R6
1k
6
D1
25
AF
IN
5
VOL
4
NF
C15
0.47µ
50V
26
C17
10µ
50V
C19
0.1µ
27
Ripple
FILTER VCC
L4
AM
OSC
C16
0.022µ
R7
24
C14
4.7µ
50V
AFC
AGC
C13
10µ
50V
AFC
AGC
AFC
7
C3
22p
R1
100k
DET
OUT
C7
1p
CXA1619BS
Reg
OUT
9
C2
18p
3
CF3
2
R3
C18
470µ
6.3V
28
29
30
GND
GND
1
150
C21
220µ
10V
GND
C20
0.1µ
AF
OUT
FM GND
DISCRI
C8
4.7µ
50
C4
6p
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.
T1
C6
0.01µ
13
14
FM/AM FE
FM
FE OUT GND RF IN
15
C5
10µ
L1
R2
10k
S2
EPJ
RV1
50k
BATT
CXA1619BM/BS
CXA1619BM/BS
Coil data
AM OSC
Core diameter ø 0.06 mm 2UEW
S
3
4
2
5
f (kHz)
1
6
796
L (µH)
1 to 3
270
QO
1 to 3
125
Number of widings (t)
1 to 3
4 to 6
107
29
Equivalent to L-5K7-H5 R12-1684X. Mitsumi Electric Co., Ltd.
or 7TRS-8441X TOKO Co., Ltd.
AM IFT
3
Core diameter ø 0.07 mm UEW
S
4
2
5
1
6
CO (pF)
1 to 3
180
QO
1 to 3
90
Number of widings (t)
1 to 2
2 to 3
4 to 6
111
35
7
Equivalent to 21K7-H5 R12-8558A. Mitsumi Electric Co., Ltd.
or 7MC-7789N TOKO Co., Ltd.
FM RF
φ 4mm
φ 0.6mm 4.5t
FM OSC
φ 4mm
φ 0.6mm 3.5t
AM bar antenna
f (kHz)
796
Primary
L (µH)
650
Primary
91 t
Secondary
20 t
Secondary
BPF
CF1
CF2
CF3
PFWE8
(88 to 108 MHz)
Soshin Electric Co., Ltd.
SFU-455B
SFE10.7MA5
CDA10.7MC1
Murata Mfg. Co., Ltd. Or BFCFL-455 TOKO Co., Ltd.
Murata Mfg. Co., Ltd.
Murata Mfg. Co., Ltd.
—10—
CXA1619BM/BS
Package Outline
Unit : mm
CXA1619BM
28PIN SOP (PLASTIC)
+ 0.4
18.8 – 0.1
+ 0.4
2.3 – 0.15
28
15
14
1
+ 0.1
0.2 – 0.05
1.27
0.45 ± 0.1
0.24
0.5 ± 0.2
9.3
10.3 ± 0.4
+ 0.3
7.6 – 0.1
0.15
+ 0.2
0.1 – 0.05
M
PACKAGE STRUCTURE
SONY CODE
SOP-28P-L04
EIAJ CODE
SOP028-P-0375
JEDEC CODE
PACKAGE MATERIAL
EPOXY RESIN
LEAD TREATMENT
SOLDER PLATING
LEAD MATERIAL
42/COPPER ALLOY
PACKAGE MASS
0.7g
30PIN SDIP (PLASTIC)
+ 0.1
05
0.25 – 0.
CXA1619BS
+ 0.4
26.9 – 0.1
30
+ 0.3
8.5 – 0.1
10.16
16
0° to 15°
15
1
+ 0.4
3.7 – 0.1
0.5 MIN
1.778
0.5 ± 0.1
3.0 MIN
Two kinds of package surface:
1.All mat surface type.
2.All mirror surface type.
0.9 ± 0.15
PACKAGE STRUCTURE
MOLDING COMPOUND
EPOXY RESIN
SONY CODE
SDIP-30P-01
LEAD TREATMENT
SOLDER/PALLADIUM
PLATING
EIAJ CODE
SDIP030-P-0400
LEAD MATERIAL
COPPER ALLOY
PACKAGE MASS
1.8g
JEDEC CODE
NOTE : PALLADIUM PLATING
This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame).
—11—