SA575DTBR2G ON Semiconductor, SA575DTBR2G Datasheet

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SA575DTBR2G

Manufacturer Part Number
SA575DTBR2G
Description
IC COMPANDOR 2CHAN GAIN 20-TSSOP
Manufacturer
ON Semiconductor
Type
Compandorr
Datasheet

Specifications of SA575DTBR2G

Applications
Cellular Radio, Mixers
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SA575DTBR2G
SA575DTBR2GOSTR

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SA575
Low Voltage Compandor
voltage applications. The SA575’s channel 1 is an expandor, while
channel 2 can be configured either for expandor, compressor, or
automatic level controller (ALC) application.
Features
Applications
*For additional information on our Pb−Free strategy and soldering details, please
© Semiconductor Components Industries, LLC, 2006
September, 2006 − Rev. 3
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
The SA575 is a precision dual gain control circuit designed for low
Uncommitted Op Amps
Operating Voltage Range from 3.0 V to 7.0 V
Reference Voltage of 100 mV
One Dedicated Summing Op Amp Per Channel and Two Extra
600 W Drive Capability
Single or Split Supply Operation
Wide Input/Output Swing Capability
Pb−Free Packages are Available*
Portable Communications
Cellular Radio
Cordless Telephone
Consumer Audio
Portable Broadcast Mixers
Wireless Microphones
Modems
Electric Organs
Hearing Aids
RMS
= 0 dB
1
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
See general marking information in the device marking
section on page 13 of this data sheet.
20
20
GAIN CELL IN1
DEVICE MARKING INFORMATION
20
*Available in large SOL package only.
SUM OUT 1
1
COMP. IN1
RECT. IN1
C
ORDERING INFORMATION
V
RECT1
+V
OUT1
-V
V
REF
GND
IN1
IN1
PIN CONNECTIONS
D* and DTB Packages
http://onsemi.com
1
1
10
1
2
3
4
5
6
7
8
9
Publication Order Number:
20 V
19 +V
18 -V
17 V
16 RECT.IN2
15 C
14 SUM OUT2
13 COMP.IN2
12 SUM NODE 2
11 GAIN CELL IN2
SOIC−20 WB
DTB SUFFIX
CASE 751D
CASE 948E
TSSOP−20
CASE 738
D SUFFIX
N SUFFIX
CC
OUT2
RECT2
PDIP−20
IN2
IN2
SA575/D

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SA575DTBR2G Summary of contents

Page 1

... Modems • Electric Organs • Hearing Aids *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2006 September, 2006 − Rev http://onsemi.com SOIC−20 WB ...

Page 2

OUT + 10mF + C RECT 2.2mF GND 10mF V REF + 10mF GND GND PIN FUNCTION DESCRIPTION Pin Symbol 1 +V IN1 2 −V IN1 3 V OUT 4 RECT. IN1 ...

Page 3

MAXIMUM RATINGS Rating Single Supply Voltage Voltage Applied to Any Other Pin Operating Ambient Temperature Range Operating Junction Temperature Storage Temperature Range Thermal Impedance Maximum Power Dissipation Maximum ratings are those values beyond which device damage can occur. Maximum ratings ...

Page 4

Functional Description This section describes the basic subsystems and applications of the SA575 Compandor. More theory of operation on compandors can be found in AND8159 and AND8160. The typical applications of the SA575 low voltage compandor in an Expandor (1:2), ...

Page 5

Expandor The typical expandor configuration is shown in Figure 2. The variable gain cell and the rectifier cell are in the signal input path. The V is always 1/2 V REF maximum headroom without clipping. The 0 dB ref is ...

Page 6

Compressor The typical compressor configuration is shown in Figure 3. In this mode, the rectifier cell and variable gain cell are in the feedback path. R and R 6 feedback to the summing amplifier. The input is AC coupled through ...

Page 7

Automatic Level Control The typical Automatic Level configuration is shown in Figure 4. It can be seen that it is quite similar to the compressor schematic except that the input to the rectifier cell is from the input path and ...

Page 8

EXP 1 4 OUT 10mF 5 C 2.2mF EXP IN 10mF 8 V REF 10mF 10 Figure 5. ...

Page 9

0.2 0.1 0 −0.1 −0 −0.3 −0 −0.5 −0.6 −0.7 −0.8 −0.9 −1.0 −50 −25 0 TEMPERATURE (°C) Figure 6. ...

Page 10

TYPICAL PERFORMANCE CHARACTERISTICS −2 −4 −6 −8 −10 −12 −14 −16 −18 −20 −22 10 100 Figure 8. Compressor Output Frequency Response SA575 10dB IN 0dB IN -40dB IN 1000 10000 FREQUENCY (Hz) http://onsemi.com 10 ...

Page 11

TYPICAL PERFORMANCE CHARACTERISTICS −2 −4 −6 −8 −10 −12 −14 −16 −18 −20 −22 10 100 Figure 9. Expandor Output Frequency Response SA575 2.5dB IN 0dB IN -10dB IN 1000 10000 FREQUENCY (Hz) http://onsemi.com 11 ...

Page 12

COMPRESSOR IN +10dB 100mV 0dB −10dB −20dB −30dB −40dB −50dB COMPRESSION Figure 10. The Companding Function SA575 +5dB 0dB −5dB −10dB −15dB −20dB −25dB EXPANSION http://onsemi.com 12 EXPANDOR OUT +10dB 100mV 0dB −10dB −20dB −30dB −40dB −50dB ...

Page 13

ORDERING INFORMATION Device SA575D SA575DR2 SA575DR2G SA575DTB SA575DTBR2 SA575N †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. *This package is inherently Pb−Free. SOIC−20 WB ...

Page 14

20X 0. 18X A1 T SA575 PACKAGE DIMENSIONS SO−20 WB CASE 751D−05 ISSUE G q NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET ...

Page 15

K 20X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT 1 0.15 (0.006 −V− 0.100 (0.004) −T− SEATING PLANE SA575 PACKAGE DIMENSIONS TSSOP−20 DTB SUFFIX CASE ...

Page 16

... SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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