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CA3089M1 bảng dữ liệu(PDF) 1 Page - Intersil Corporation

tên linh kiện CA3089M1
Giải thích chi tiết về linh kiện  OBSOLETE PRODUCT NO RECOMMENDED REPLACEMENT
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nhà sản xuất  INTERSIL [Intersil Corporation]
Trang chủ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA3089M1 bảng dữ liệu(HTML) 1 Page - Intersil Corporation

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1
®
FN0561.4
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
CA3089
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.
Features
.
• For FM IF Amplifier Applications in High-Fidelity,
Automotive, and Communications Receivers
• Includes: IF Amplifier, Quadrature Detector, AF
Preamplifier, and Specific Circuits for AGC, AFC, Muting
(Squelch), and Tuning Meter
• Exceptional Limiting Sensitivity
at -3dB Point. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
µV (Typ)
• Low Distortion:
(with Double-Tuned Coil) . . . . . . . . . . . . . . . . . 0.1% (Typ)
• Single-Coil Tuning Capability
• High Recovered Audio . . . . . . . . . . . . . . . . . . 400mV (Typ)
• Provides Specific Signal for Control of Interchannel Muting
(Squelch)
• 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
Pinouts
Part Number Information
PART
NUMBER
TEMP. RANGE
(oC)
PACKAGE
PKG. NO.
CA3089E
-40 to 85
16 Ld PDIP
E16.3
CA3089M1
(3089M)
-40 to 85
20 Ld SOIC
M20.3
CA3089
(PDIP)
TOP VIEW
CA3089
(SOIC)
TOP VIEW
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
IF IN
INPUT BYPASS
DC FB BYPASS
FRAME GND
MUTE CONTROL
AUDIO OUT
IF OUT
AFC OUT
NC
SUBSTRATE (GND)
TUNING METER OUT
MUTE LOGIC
V+
REF BIAS
QUADRATURE INPUT
DELAYED AGC
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
GND
IF IN
INPUT BYPASS
DC FB BYPASS
FRAME GND
MUTE CONTROL
AFC OUT
AUDIO OUT
IF OUT
GND
GND
GND
SUBSTRATE (GND)
TUNING METER OUT
DELAYED AGC
MUTE LOGIC
V+
REF BIAS
QUADRATURE INPUT
NC
Data Sheet
October 2002
OBSO
LETE
PROD
UCT
NO RE
COMM
ENDE
D REP
LACE
MENT


Số phần tương tự - CA3089M1

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