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NE571 PDF даташит

Спецификация NE571 изготовлена ​​​​«Philipss» и имеет функцию, называемую «Compandor».

Детали детали

Номер произв NE571
Описание Compandor
Производители Philipss
логотип Philipss логотип 

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NE571 Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
SA571
Compandor
Product specification
IC17 Data Handbook
Philips
Semiconductors
1997 Aug 14









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NE571 Даташит, Описание, Даташиты
Philips Semiconductors
Compandor
Product specification
SA571
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
ORDERING INFORMATION
DESCRIPTION
16-Pin Plastic Small Outline Large (SOL)
16-Pin Plastic Dual In-Line Package (DIP)
PIN CONFIGURATION
D, and N Packages1
RECT CAP 1 1
RECT IN 1 2
AG CELL IN 1 3
GND 4
INV. IN 1 5
RES. R3 1 6
OUTPUT 1 7
THD TRIM 1 8
16 RECT CAP 2
15 RECT IN 2
14 AG CELL IN 2
13 VCC
12 INV. IN 2
11 RES. R3 2
10 OUTPUT 2
9 THD TRIM 2
TOP VIEW
NOTE:
1. SOL - Released in Large SO Package Only.
Figure 1. Pin Configuration
SR00675
APPLICATIONS
Cellular radio
High level limiter
Low level expandor—noise gate
Dynamic filters
CD Player
TEMPERATURE RANGE
-40 to +85°C
-40 to +85°C
ORDER CODE
SA571D
SA571N
DWG #
SOT162-1
SOT38-4
BLOCK DIAGRAM
G IN
RECT IN
THD TRIM
R2 20k
VARIABLE
GAIN
R1 10k
RECTIFIER
R3 INVERTER IN
R3 20k
VREF
R4 30k 1.8V
+
RECT CAP
Figure 2. Block Diagram
OUTPUT
SR00676
1997 Aug 14
2 853-0812 18285









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NE571 Даташит, Описание, Даташиты
Philips Semiconductors
Compandor
Product specification
SA571
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
VCC
Maximum operating voltage
571
TA
Operating ambient temperature range
SA
PD Power dissipation
RATING
18
-40 to +85
400
UNITS
VDC
°C
mW
AC ELECTRICAL CHARACTERISTICS
VCC = +6V, TA = 25°C; unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
VCC
ICC
IOUT
SR
Supply voltage
Supply current
Output current capability
Output slew rate
No signal
6
±20
Gain cell distortion2
Untrimmed
Trimmed
Resistor tolerance
Internal reference voltage
Output DC shift3
Expandor output noise
Untrimmed
No signal, 15Hz-20kHz1
1.65
Unity gain level6
Gain change2, 4
Reference drift4
Resistor drift4
1kHz
-1.5
Tracking error (measured relative to
value at unity gain) equals [VO - VO
(unity gain)] dB - V2dBm
Channel separation
Rectifier input,
V2 = +6dBm, V1 = 0dB
V2 = -30dBm, V1 = 0dB
NOTES:
1. Input to V1 and V2 grounded.
2. Measured at 0dBm, 1kHz.
3. Expandor AC input change from no signal to 0dBm.
4. Relative to value at TA = 25°C.
5. Electrical characteristics for the SA571 only are specified over -40 to +85°C temperature range.
6. 0dBm = 775mVRMS.
LIMITS
SA5715
TYP
3.2
±.5
0.5
0.1
±5
1.8
±30
20
0
±0.1
+2, -25
+8, -0
+0.2
+0.2
60
MAX
18
4.8
2.0
±15
1.95
±150
60
+1.5
+20, -50
-1, +1.5
UNITS
V
mA
mA
V/µs
%
%
V
mV
µV
dBm
dB
mV
%
dB
dB
1997 Aug 14
3










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