CXA1691AS SONY [Sony Corporation], CXA1691AS Datasheet

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CXA1691AS

Manufacturer Part Number
CXA1691AS
Description
FM/AM Radio
Manufacturer
SONY [Sony Corporation]
Datasheet
1.CXA1691AS.pdf (11 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Allchip Electronic(HK) Limited Allchip Electronic(HK) Limited
Part Number:
CXA1691AS
Manufacturer:
SONY
Quantity:
3 838
For the availability of this product, please contact the sales office.
Description
designed for radio-cassette tape recorders.
Features
• Small number of peripheral components.
• Low current consumption (V
• Built-in FM/AM select switch.
• Large output of AF amplifier.
Function
FM section
• RF amplifier, Mixer and OSC
• 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
• FM muting
Structure
CXA1691AM/AS is a one-chip FM/AM radio IC
(incorporating AFC variable capacitor).
Bipolar monolithic IC
FM/AM Radio
For FM : I
For AM : I
V
when load impedance 8 Ω
CC
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.
=6 V, EIAJ output=450 mW (Typ.)
D
D
=5.8 mA (Typ.)
=4.7 mA (Typ.)
CC
=3 V)
CXA1691AM/AS
—1—
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation
Recommended Operating Conditions
Supply voltage
28 pin SOP (Plastic)
CXA1691AM
Topr
Tstg
V
V
V
P
P
30 pin SDIP (Plastic)
CC
CC
CC
D
D
CXA1691AS
–50 to +125
–10 to +60
2 to 7.5
2 to 8.5
1000
(CXA1691AM)
(CXA1691AM)
(CXA1691AS)
(CXA1691AS)
700
14
E98425-TE
mW
mW
°C
°C
V
V
V

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CXA1691AS Summary of contents

Page 1

... Storage temperature • Allowable power dissipation Recommended Operating Conditions Supply voltage —1— CXA1691AM CXA1691AS 30 pin SDIP (Plastic Topr –10 to +60 Tstg –50 to +125 7 8 °C °C 700 mW (CXA1691AM) 1000 mW (CXA1691AS) V (CXA1691AM) V (CXA1691AS) E98425-TE ...

Page 2

... Block Diagram CXA1691AM AF GND OUT POWER AMP MUTE FM NF DISCRI CXA1691AS AF GND GND OUT POWER AMP MUTE FM NC DISCRI Ripple AF DET AFC AFC IF FILTER IN OUT AGC AGC GND DET AGC ...

Page 3

... NF 1.5 1.5 3.0 3.0 27 (28) AF OUT 1.5 1.5 3.0 3.0 4 (5) VOL CONT 1.25 1.25 1.25 1.25 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 7 (8) FM OSC 1.25 1.25 1.25 1.25 (The pin numbers in the parenthesis are for CXA1691AS Equivalent circuit 1. 20k 80k 5 3.6k 1. —3— Description 2 Phase-shift circuit Connect ceramic discriminator ...

Page 4

Voltage (V) No. Symbol (10 1.25 1.25 1.25 1.25 12 (13 0 (11 1.25 1.25 1.25 1.25 11 (12) NC ...

Page 5

Voltage (V) No. Symbol (20) METER 1.6 1.6 4.5 4.5 20 (21) GND 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 23 (24) ...

Page 6

CXA1691AM/AS ...

Page 7

CXA1691AM/AS ...

Page 8

CXA1691AM/AS ...

Page 9

CXA1691AM/AS ...

Page 10

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. AM IFT Core diameter ø 0.07 mm UEW S 4 ...

Page 11

... Package Outline Unit : mm CXA1691AM 28 1 SONY CODE EIAJ CODE JEDEC CODE CXA1691AS 30 1 SONY CODE EIAJ CODE JEDEC CODE NOTE : PALLADIUM PLATING This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). 28PIN SOP (PLASTIC) + 0.4 18.8 – 0 0.1 1.27 0.45 ± 0.1 0.2 – 0.05 M 0.24 PACKAGE STRUCTURE ...

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