SA572D データシートの表示（PDF） - Philips Electronics
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SA572D Datasheet PDF : 8 Pages
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Philips Semiconductors RF Communications Products
Programmable analog compandor
Product specification
NE/SA572
BLOCK DIAGRAM
R1
(7,9)
6.8k
(6,10)
∆G
500
Ω
GAIN CELL
(3,13)
270
Ω
–
+
RECTIFIER
(16)
P.S.
(5,11)
–
+
10k
BUFFER 10k
(1,15)
(8)
(4,12)
(2,14)
DC ELECTRICAL CHARACTERISTICS
Standard test conditions (unless otherwise noted) VCC=15V, TA=25°C; Expandor mode (see Test Circuit). Input signals at unity gain level (0dB)
= 100mVRMS at 1kHz; V1 = V2; R2 = 3.3kΩ; R3 = 17.3kΩ.
SYMBOL
PARAMETER
TEST CONDITIONS
NE572
SA572
UNIT
Min Typ Max Min Typ Max
VCC
ICC
VR
THD
Supply voltage
Supply current
Internal voltage reference
Total harmonic distortion
(untrimmed)
No signal
1kHz CA=1.0µF
6
22
6
22
VDC
6
6.3
mA
2.3 2.5 2.7 2.3 2.5 2.7
VDC
0.2 1.0
0.2 1.0
%
THD
Total harmonic distortion
(trimmed)
1kHz CR=10µF
0.05
0.05
%
THD
Total harmonic distortion
(trimmed)
100Hz
0.25
0.25
%
No signal output noise
Input to V1 and V2 grounded
(20–20kHz)
6
25
6
25
µV
DC level shift (untrimmed)
Unity gain level
Input change from no signal to
100mVRMS
±20 ±50
±20 ±50
mV
–1
0
+1 –1.5 0 +1.5
dB
Large–signal distortion
Tracking error (measured
V1=V2=400mV
0.7 3.0
0.7
3
%
relative to value at unity
Rectifier input
gain)=
V2=+6dB V1=0dB
±0.2
±0.2
[VO–VO (unity gain)]dB
V2=–30dB V1=0dB
±0.5 –1.5
±0.5 –2.5
dB
–V2dB
+0.8
+1.6
Channel crosstalk
200mVRMS into channel A, measured
output on channel B
60
60
dB
PSRR
Power supply rejection ra-
tio
120Hz
70
70
dB
October 7, 1987
3
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