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SA575D 数据表(PDF) 3 Page - NXP Semiconductors

部件名 SA575D
功能描述  Low voltage compandor
PDF  14 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

SA575D 数据表(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SA575
Low voltage compandor
1997 Nov 07
3
BLOCK DIAGRAM and TEST CIRCUIT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Σ
∆G
∆G
VREF
Σ
+
–
+
–
OP AMP
OP AMP
VCC
575
4.7
µF
10
µF
0.1
µF
VCC +5V
10
µF
2.2
µF
10
µF
CRECT
1
µF
VIN
VREF
VOUT
CRECT
2.2
µF
10
µF
VIN
+
+
+
+
+
+
+
+
+
VOUT
C3
GND
C6
GND
GND
GND
3.8k
3.8k
10k
10k
10k
10k
GND
R8
30k
R7
30k
C8
GND
C11
C10
R13
10k
C14
C15
VREF
10
µF
SR00704
Figure 2. Block Diagram and Test Circuit
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
3
5
7
V
ICC
Supply current
No signal
3
4.2
5.5
mA
VREF
Reference voltage2
VCC = 5V
2.4
2.5
2.6
V
RL
Summing amp output load
10
k
Ω
THD
Total harmonic distortion
1kHz, 0dB BW = 3.5kHz
0.12
1.5
%
ENO
Output voltage noise
BW = 20kHz, RS = 0Ω
6
30
µV
0dB
Unity gain level
1kHz
-1.5
1.5
dB
VOS
Output voltage offset
No signal
-150
150
mV
Output DC shift
No signal to 0dB
-100
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



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