CXA1191-D28-T UTC [Unisonic Technologies], CXA1191-D28-T Datasheet

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CXA1191-D28-T

Manufacturer Part Number
CXA1191-D28-T
Description
FM/AM Radio
Manufacturer
UTC [Unisonic Technologies]
Datasheet
CXA1191
FM/AM Radio
radio-cassette tape recorders and headphone tape recorders.
*Small number of peripheral components
*Low current consumption (Vcc=3V)
*Built-in FM/AM select switch
*Large current of AF amplifier
FM section
AM section
AF section
Structure
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., LTD
–FM: l
–AM: l
The UTC CXA1191 is a one-chip FM/AM radio IC designed for
RF amplifier, Mixer and OSC
(incorporating AFC variable capacitor)
IF amplifier
Quadrature detection
Tuning LED driver
RF amplifier, Mixer and OSC (with RF AGC)
IF amplifier (with IF AGC)
Detector
Tuning LED driver
Electronic volume control
FM muting
Bipolar silicon monolithic IC
CXA1191-S28-R
CXA1191-D28-T
CXA1191-S28-T
ORDERING INFORMATION
DESCRIPTION
FEATURES
FUNCTIONS
D
D
=5.3mA (Typ.)
=3.4mA (Typ.)
Normal
UNISONIC TECHNOLOGIES CO., LTD
CXA1191L-D28-T
CXA1191L-S28-R
Lead Free Plating
CXA1191L-S28-T
Ordering Number
CXA1191G-D28-T
CXA1191G-S28-R
CXA1191G-S28-T
Halogen Free
LINEAR INTEGRATED CIRCUIT
Lead-free:
Halogen-free:CXA1191G
Package
SOP-28
SOP-28
DIP-28
CXA1191L
Tape Reel
Packing
Tube
Tube
QW- R110-014.B
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CXA1191-D28-T Summary of contents

Page 1

... IF amplifier (with IF AGC) Detector Tuning LED driver AF section Electronic volume control FM muting Structure Bipolar silicon monolithic IC ORDERING INFORMATION Ordering Number Normal Lead Free Plating CXA1191-D28-T CXA1191L-D28-T CXA1191-S28-R CXA1191L-S28-R CXA1191-S28-T CXA1191L-S28-T www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., LTD LINEAR INTEGRATED CIRCUIT Lead-free: Halogen-free:CXA1191G Package ...

Page 2

... CXA1191 PIN CONFIGURATIONS PIN DESCRIPTION 1 Phase-shift circuit, Connect 2 ceramic discriminator. 3 Negative feedback pin 27 Power amplifier output pin Connect variable resistor for 4 electronic volume control local oscillation circuit 6 AFC variable capacitor pin 8 Regulator pin 1.25V (Typ local oscillation circuit 9 Connect FM RF tuning coil. ...

Page 3

... CXA1191 PIN CONFIGURATIONS(Cont.) PIN DESCRIPTION IF output pin of FM and AM, 14 Connect IF filter FM and AM bands selection switch pin. 15 During GND it becomes AM and during open it becomes FM. 16 Input pin Input pin Meter drive circuit 19 (For tuning indicator) 20 AFC pin of W band. ...

Page 4

... CXA1191 PIN CONFIGURATIONS(Cont.) PIN DESCRIPTION 6 Power supply pin 28 Power GND Note: The pin voltage of pin 6 during AM the same pin voltage of pin22 (23) during J BAND and is the same pin voltage of pin 21 (22) during W BAND. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT VOLTAGE(V) ...

Page 5

... CXA1191 BLOCK DIAGRAM AF RIPPLE GND Vcc OUT FILTER POWER AMP MUTE NF VOL DISCRI UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT AF DET AFC AFC IF IN OUT AQC AQC END DET AGC TUNING METER DISCRIMINATOR ...

Page 6

... CXA1191 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Junction Temperature Operating Temperature Storage Temperature Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ...

Page 7

... CXA1191 APPLICATION CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...

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