Advanced Analog Circuits
Data Sheet
AZ4558
Features
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Internal frequency compensation
Large DC voltage gain with 100 dB typical
High input resistance with 5M鈩?typical
Low input noise voltage with 10nV/
HZ
Maximum power supply voltages:
鹵
18V
Compatible with NJM 4558
DUAL OPERATIONAL AMPLIFIERS
General Description
The AZ4558 consists of two high performance opera-
tional amplifiers. The IC features high gain, high input
resistance, excellent channel separation, wide range of
operating voltage and internal frequency compensa-
tion. It is specifically suitable for applications in differ-
ential-in, differential-out as well as in potential-metric
amplifiers and where gain and phase matched channels
are mandatory. The AZ4558 contains
鹵
18Vmaximum
power supply voltage.
The AZ4558 is available in DIP-8 or SOIC-8 package.
Applications
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Audio AC-3 decoded system
Audio amplifier
Pin Configuration
SOIC-8/DIP-8
OUTPUT 1
INPUT 1-
INPUT 1+
1
2
3
4
8
7
6
5
V
CC
OUTPUT 2
INPUT 2-
INPUT 2+
SOIC-8
DIP-8
V
EE
Top View
Figure 1. Package Types of AZ4558
Figure 2. Pin Configuration of AZ4558
Functional Block Diagram
3.1 K
鈩?/div>
V
CC
- Input
150 鈩?/div>
+ Input
25 鈩?/div>
Output
25 鈩?/div>
10pF
7.1 K
鈩?/div>
87pF
7.1
K
鈩?/div>
480
鈩?/div>
4.2 K
鈩?/div>
36 K
鈩?/div>
V
EE
Figure 3. Representative Schematic Diagram of AZ4558 (Each amplifier)
Issue Date: Nov. 2002
1
Rev.1.0
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