ca3089 Intersil Corporation, ca3089 Datasheet

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ca3089

Manufacturer Part Number
ca3089
Description
Fm If System
Manufacturer
Intersil Corporation
Datasheet

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FM IF System
Description
Intersil CA3089 is a monolithic integrated circuit that pro-
vides all the functions of a comprehensive FM-IF system.
The block diagram shows the CA3089 features, which
include a three-stage FM-IF amplifier/limiter configuration
with level detectors for each stage, a doubly-balanced
quadrature FM detector and an audio amplifier that features
the optional use of a muting (squelch) circuit.
The advanced circuit design of the IF system includes desir-
able deluxe features such as delayed AGC for the RF tuner,
and AFC drive circuit, and an output signal to drive a tuning
meter and/or provide stereo switching logic. In addition, inter-
nal power supply regulators maintain a nearly constant cur-
rent drain over the voltage supply range of +8.5V to +16V.
The CA3089 is ideal for high-fidelity operation. Distortion in a
CA3089 FM-IF System is primarily a function of the phase
linearity characteristic of the outboard detector coil.
Part Number Information
Pinouts
CA3089E
CA3089M1
(3089M)
NUMBER
PART
MUTE CONTROL
INPUT BYPASS
DC FB BYPASS
FRAME GND
AUDIO OUT
AFC OUT
IF OUT
IF IN
TEMP. RANGE
-40 to 85
-40 to 85
1
2
3
4
5
6
7
8
(
o
C)
®
TOP VIEW
CA3089
1
(PDIP)
16 Ld PDIP
20 Ld SOIC
Data Sheet
PACKAGE
16
15
14
13
12
11
10
9
NC
DELAYED AGC
SUBSTRATE (GND)
TUNING METER OUT
MUTE LOGIC
V+
REF BIAS
QUADRATURE INPUT
PKG. NO.
M20.3
E16.3
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• For FM IF Amplifier Applications in High-Fidelity,
.
• Includes: IF Amplifier, Quadrature Detector, AF
• Exceptional Limiting Sensitivity
• Low Distortion:
• Single-Coil Tuning Capability
• High Recovered Audio . . . . . . . . . . . . . . . . . . 400mV (Typ)
• Provides Specific Signal for Control of Interchannel Muting
• Provides Specific Signal for Direct Drive of a Tuning Meter
• Provides Delayed AGC Voltage for RF Amplifier
• Provides a Specific Circuit for Flexible AFC
• Internal Supply-Voltage Regulators
MUTE CONTROL
Automotive, and Communications Receivers
Preamplifier, and Specific Circuits for AGC, AFC, Muting
(Squelch), and Tuning Meter
at -3dB Point. . . . . . . . . . . . . . . . . . . . . . . . . . . 12 V (Typ)
(with Double-Tuned Coil) . . . . . . . . . . . . . . . . . 0.1% (Typ)
(Squelch)
INPUT BYPASS
DC FB BYPASS
FRAME GND
AUDIO OUT
All other trademarks mentioned are the property of their respective owners.
AFC OUT
October 2002
IF OUT
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
GND
IF IN
GND
10
1
2
3
4
5
6
7
8
9
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
TOP VIEW
CA3089
(SOIC)
20
19
18
17
16
15
14
13
12
11
GND
DELAYED AGC
GND
SUBSTRATE (GND)
TUNING METER OUT
MUTE LOGIC
V+
REF BIAS
QUADRATURE INPUT
NC
CA3089
FN0561.4

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ca3089 Summary of contents

Page 1

... The CA3089 is ideal for high-fidelity operation. Distortion in a CA3089 FM-IF System is primarily a function of the phase linearity characteristic of the outboard detector coil. Part Number Information PART TEMP ...

Page 2

... CHANGE IN FREQUENCY (kHz) FIGURE 1. AFC CHARACTERISTICS (CURRENT AT TERMINAL 7) vs CHANGE IN FREQUENCY. (SEE TEST CIRCUIT FIGURE 3) 2 CA3089 Thermal Information Thermal Resistance (Typical, Note 1) PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOIC Package Maximum Junction Temperature (Plastic Package 150 Maximum Storage Temperature Range . . . . . . . . . -65 Maximum Lead Temperature (Soldering 10s 300 ...

Page 3

... INPUT TUNER (NOTE 12) NOTES: 11. All resistance values are in ohms. 12. Waller 4SN3FIC or equivalent. 13. Murata SFG 10.7mA or equivalent. 14. L tunes with 100pF (C) at 10.7MHz Q (G.I. EX22741 or equivalent). FIGURE 5. TYPICAL FM TUNER USING THE CA3089E WITH A SINGLE TUNED DETECTOR COIL 3 CA3089 5K SIGNAL AFC OUTPUT 7 INPUT VOLTAGE 2 ...

Page 4

... Test Applications (Continued) FIGURE 6A. BOTTOM VIEW OF PRINTED CIRCUIT BOARD FIGURE 6. ACTUAL SIZE PHOTOGRAPHS OF THE CA3089E AND OUTBOARD COMPONENTS MOUNTED ON A PRINTED-CIRCUIT BOARD Block Diagram TO INTERNAL REGULATORS IF IF AMPLIFIER INPUT AMPL. 3 0.02 0. LEVEL DETECTOR DELAYED AGC FOR RF AMPL 15 10K ...

Page 5

... R 3 0.2 360 30K 500 400 AGC FOR 15 RF AMPL. NOTE: Pin numbers refer to 16 lead PDIP. 5 CA3089 16A ...

Page 6

... 480 480 10K MUTE DRIVE 6 CA3089 REF BIAS OUT R 37 166 390 10K 2. ...

Page 7

... B1 maximum dimensions do not include dambar protrusions. Dambar protrusions shall not exceed 0.010 inch (0.25mm the maximum number of terminal positions. 10. Corner leads (1, N, N/2 and N for E8.3, E16.3, E18.3, E28.3, E42.6 will have a B1 dimension of 0.030 - 0.045 inch (0.76 - 1.14mm). 7 CA3089 E16.3 16 LEAD DUAL-IN-LINE PLASTIC PACKAGE SYMBOL E A2 ...

Page 8

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 8 CA3089 M20.3 (JEDEC MS-013-AC ISSUE C) 20 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE ...

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