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參數(shù)資料
| 型號(hào)： | SA571 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Compandor(壓縮擴(kuò)展器) |
| 中文描述： | Compandor（壓縮擴(kuò)展器） |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大小： | 143K |
| 代理商： | SA571 |
Philips Semiconductors
Product specification
SA571
Compandor
2
1997 Aug 14
853-0812 18285
DESCRIPTION
The SA571 is a versatile low cost dual gain control circuit in which
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.
The SA571 is well suited for use in cellular radio and radio
communications systems, modems, telephone, and satellite
broadcast/receive audio systems.
FEATURES
Complete compressor and expandor in one IChip
Temperature compensated
Greater than 110dB dynamic range
Operates down to 6VDC
System levels adjustable with external components
Distortion may be trimmed out
Dynamic noise reduction systems
Voltage-controlled amplifier
PIN CONFIGURATION
RECT CAP 1
RECT IN 1
AG CELL IN 1
GND
RECT CAP 2
AG CELL IN 2
RECT IN 2
V
CC
D, and N Packages
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
INV. IN 1
RES. R
3
1
OUTPUT 1
THD TRIM 1
INV. IN 2
RES. R
3
2
OUTPUT 2
THD TRIM 2
TOP VIEW
NOTE:
1. SOL - Released in Large SO Package Only.
SR00675
Figure 1. Pin Configuration
APPLICATIONS
Cellular radio
High level limiter
Low level expandor—noise gate
Dynamic filters
CD Player
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
-40 to +85
°
C
-40 to +85
°
C
ORDER CODE
SA571D
SA571N
DWG #
SOT162-1
SOT38-4
16-Pin Plastic Small Outline Large (SOL)
16-Pin Plastic Dual In-Line Package (DIP)
BLOCK DIAGRAM
VAGAIN
G IN
RECT IN
V
REF
1.8V
THD TRIM
R2 20k
R1 10k
RECT CAP
R3
R3 20k
R4 30k
INVERTER IN
OUTPUT
+
–
RECTIFIER
SR00676
Figure 2. Block Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SA571D | Ceramic Multilayer Capacitor; Capacitance:3.9pF; Capacitance Tolerance:+/- 0.5 pF; Working Voltage, DC:50V; Dielectric Characteristic:C0G/NP0; Package/Case:0603; Series:VJ; Features:Multilayer Ceramic Chip Capacitor |
| SA571N | Compandor |
| SA57254-XX | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| SA57254-28GW | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| SA57254-30GW | Ceramic Multilayer Capacitor; Capacitance:47pF; Capacitance Tolerance:+/- 5 %; Working Voltage, DC:100V; Dielectric Characteristic:C0G/NP0; Package/Case:0603; Series:VJ; Leaded Process Compatible:Yes; Mounting Type:Surface Mount |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA5711 | 制造商:AUK 制造商全稱:AUK corp 功能描述:LED Lamp |
| SA5711B | 制造商:AUK 制造商全稱:AUK corp 功能描述:LED Lamp |
| SA571D | 功能描述:音頻放大器 Dual Gain Compandor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| SA571DG | 功能描述:音頻放大器 Dual Gain Compandor Industrial Temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| SA571DG | 制造商:ON Semiconductor 功能描述:Standard Recovery Rectifier |
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