SA571D ON Semiconductor, SA571D Datasheet

Audio Amplifiers Dual Gain Compandor

SA571D

Manufacturer Part Number
SA571D
Description
Audio Amplifiers Dual Gain Compandor
Manufacturer
ON Semiconductor
Datasheet

Specifications of SA571D

Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Package / Case
SOIC-16 Wide
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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SA571
Compandor
either channel may be used as a dynamic range compressor or
expandor. Each channel has a full−wave rectifier to detect the average
value of the signal, a linerarized temperature−compensated variable
gain cell, and an operational amplifier.
communications systems, modems, telephone, and satellite
broadcast/receive audio systems.
Features
Applications
*For additional information on our Pb−Free strategy and soldering details, please
© Semiconductor Components Industries, LLC, 2006
March, 2006 − Rev. 4
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
The SA571 is a versatile low cost dual gain control circuit in which
The SA571 is well suited for use in cellular radio and radio
Complete Compressor and Expandor in one IChip
Temperature Compensated
Greater than 110 dB Dynamic Range
Operates Down to 6.0 VDC
System Levels Adjustable with External Components
Distortion may be Trimmed Out
Dynamic Noise Reduction Systems
Voltage Controlled Amplifier
Pb−Free Packages are Available*
Cellular Radio
High Level Limiter
Low Level Expandor − Noise Gate
Dynamic Filters
CD Player
1
*SOL − Released in Large SO Package Only.
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
DG CELL IN 1
16
16
RECT CAP 1
SOIC−16 WB
THD TRIM 1
CASE 751G
OUTPUT 1
D SUFFIX
CASE 648
RECT IN 1
N SUFFIX
RES. R
PDIP−16
1
INV. IN 1
ORDERING INFORMATION
GND
1
A
WL
YY
WW
G
3
PIN CONNECTIONS
1
http://onsemi.com
D, and N Packages*
1
2
3
4
5
6
7
8
TOP VIEW
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
16
1
Publication Order Number:
16
1
DIAGRAMS
16
15
14
13
12
10
MARKING
11
AWLYYWWG
9
AWLYYWWG
SA571D
SA571N
RECT CAP 2
RECT IN 2
DG CELL IN 2
V
RES. R
OUTPUT 2
THD TRIM 2
INV. IN 2
CC
3
SA571/D
2

Related parts for SA571D

SA571D Summary of contents

Page 1

... THD TRIM 1 8 TOP VIEW *SOL − Released in Large SO Package Only. ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. 1 Publication Order Number: MARKING DIAGRAMS 16 SA571D AWLYYWWG 1 SA571N AWLYYWWG 16 RECT CAP 2 15 RECT CELL ...

Page 2

20kW 2 RECT IN R 10kW 1 MAXIMUM RATINGS Rating Maximum Operating Voltage Operating Ambient Temperature Range Operating Junction Temperature Power Dissipation Thermal Resistance, Junction−to−Ambient Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ...

Page 3

ELECTRICAL CHARACTERISTICS Characteristic Supply Voltage Supply Current Output Current Capability Output Slew Rate Gain Cell Distortion (Note 2) Resistor Tolerance Internal Reference Voltage Output DC Shift (Note 3) Expandor Output Noise Unity Gain Level (Note 5) Gain Change (Notes 2 ...

Page 4

Circuit Description The SA571 compandor building blocks, as shown in the block diagram, are a full−wave rectifier, a variable gain cell, an operational amplifier and a bias system. The arrangement of these blocks in the IC result in a circuit ...

Page 5

INTRODUCTION Much interest has been expressed in high performance electronic gain control circuits. applications, an integrated circuit transconductance amplifier can be used, but when high−performance is required, one has to resort to complex discrete circuitry with many expensive, well−matched components. ...

Page 6

Figure 6 shows how the circuit is hooked up to realize an expandor. The input signal applied to the inputs of IN both the rectifier and the DG cell. When the input signal drops by 6.0 dB, ...

Page 7

Figure 9 shows the rectifier circuit in more detail. The op amp is a one−stage op amp, biased so that only one output device time. The non−inverting input, (the base which is shown ...

Page 8

Variable Gain Cell Figure diagram of the variable gain cell. This is a linearized two−quadrant transconductance multiplier and the op amp provide a predistorted drive signal for the 2 gain control pair, Q and Q ...

Page 9

... Plastic Small Outline (SO−16 WB) Package SA571DG 16−Pin Plastic Small Outline (SO−16 WB) Package SA571DR2 16−Pin Plastic Small Outline (SO−16 WB) Package SA571DR2G 16−Pin Plastic Small Outline (SO−16 WB) Package SA571N 16−Pin Plastic Dual In−Line Package (PDIP−16) SA571NG 16−Pin Plastic Dual In−Line Package (PDIP−16) † ...

Page 10

16X 0. SEATING e PLANE 14X T −A− −T− 0.25 (0.010) T ...

Page 11

... Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com SA571 N. American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 11 ON Semiconductor Website: http://onsemi ...

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