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SA575 PDF даташит

Спецификация SA575 изготовлена ​​​​«Philips» и имеет функцию, называемую «Low voltage compandor».

Детали детали

Номер произв SA575
Описание Low voltage compandor
Производители Philips
логотип Philips логотип 

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SA575 Даташит, Описание, Даташиты
RF COMMUNICATIONS PRODUCTS
SA575
Low voltage compandor
Product specification
Replaces data of 1997 June 28
IC17
Philips Semiconductors
1997 Nov 07









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SA575 Даташит, Описание, Даташиты
Philips Semiconductors
Low voltage compandor
Product specification
SA575
DESCRIPTION
The SA575 is a precision dual gain control circuit designed for low
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
Operating voltage range from 3V to 7V
Reference voltage of 100mVRMS = 0dB
One dedicated summing op amp per channel and two extra
uncommitted op amps
600drive capability
Single or split supply operation
Wide input/output swing capability
3000V ESD protection
APPLICATIONS
Portable communications
Cellular radio
Cordless telephone
Consumer audio
ORDERING INFORMATION
DESCRIPTION
20-Pin Plastic Small Outline Large
20-Pin Plastic Shrink Small Outline Package (SSOP)
PIN CONFIGURATION
D1 and DK Packages
+VIN1 1
-VIN1 2
VOUT 3
RECT. IN11 4
CRECT1 5
SUM OUT 1 6
COMP. IN1 7
VREF 8
GAIN CELL IN1 9
GND 10
20 VCC
19 +VIN2
18 -VIN2
17 VOUT2
16 RECT.IN2
15 CRECT2
14 SUM OUT2
13 COMP.IN2
12 SUM NODE 2
11 GAIN CELL IN2
NOTE:
1. Available in large SOL package only.
Figure 1. Pin Configuration
SR00703
Portable broadcast mixers
Wireless microphones
Modems
Electric organs
Hearing aids
TEMPERATURE RANGE
-40 to +85°C
-40 to +85°C
ORDER CODE
SA575D
SA575DK
DWG
SOT163-1
SOT266-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
VCC
VIN
TA
TSTG
θJA
Single supply voltage
Voltage applied to any other pin
Operating ambient temperature range
Storage temperature range
Thermal impedance
SOL
SSOP
RATING
SA575
–0.3 to 8
–0.3 to (VCC+0.3)
-40 to +85
-65 to +150
112
117
UNITS
V
V
°C
°C
°C/W
°C/W
1997 Nov 07
2 853-1665 18666









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SA575 Даташит, Описание, Даташиты
Philips Semiconductors
Low voltage compandor
Product specification
SA575
BLOCK DIAGRAM and TEST CIRCUIT
VCC +5V
0.1µF
VREF
VOUT
C3
+
10µF
+ CRECT
2.2µF
GND
VIN
C6
10µF +
+
10µF
GND
GND
1+
575
20
VCC
2
OP AMP
+ 19
3 18
OP AMP
C15
R13
10k
10µF
+
C14
GND
VIN
VREF
4
3.8k
5
Σ
6
7
10k
17
16
3.8k
C11
+
4.7µF
CRECT
15 +
2.2µF
Σ
14
C10
+
10µF
VOUT
8 VREF
9
10k
G
10
GND
13
10k
12
G 11
10k
Figure 2. Block Diagram and Test Circuit
R8
30k
R7
30k
+
C8
1µF
GND
SR00704
DC ELECTRICAL CHARACTERISTICS
Typical values are at TA = 25°C. Minimum and Maximum values are for the full operating temperature range: -40 to +85°C for SA575, except
SSOP package is tested at +25°C only. VCC = 5V, unless otherwise stated. Both channels are tested in the Expandor mode (see Test Circuit)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
SA575
UNITS
MIN TYP MAX
For compandor, including summing amplifier
VCC Supply voltage1
ICC
VREF
Supply current
Reference voltage2
RL Summing amp output load
THD
Total harmonic distortion
No signal
VCC = 5V
1kHz, 0dB BW = 3.5kHz
3 5 7V
3 4.2 5.5 mA
2.4 2.5 2.6 V
10 k
0.12 1.5 %
ENO Output voltage noise
0dB Unity gain level
BW = 20kHz, RS = 0
1kHz
6 30 µV
-1.5 1.5 dB
VOS Output voltage offset
Output DC shift
No signal
No signal to 0dB
-150
-100
150 mV
100 mV
Gain cell input = 0dB, 1kHz
Rectifier input = 6dB, 1kHz
-1.0
1.0 dB
Tracking error relative to 0dB
Gain cell input = 0dB, 1kHz
Rectifier input = -30dB, 1kHz
-1.0
1.0 dB
1997 Nov 07
3










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