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參數(shù)資料
| 型號(hào)： | SA578D |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Unity gain level programmable low power compandor |
| 中文描述： | COMPANDER, PDSO16 |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大?。?/td> | 63K |
| 代理商： | SA578D |
Philips Semiconductors
Product specification
SA578
Unity gain level programmable low power compandor
1997 Nov 07
5
TYPICAL PERFORMANCE CHARACTERISTICS
V
CC
= 3.6V, T
A
= 25
°
C, R1=R3=7.15k
, R2=100k
, 0dB level = 100mV, Freq. = 1kHz
SUPPLY CURRENT vs SUPPLY VOLTAGE
1.8
1.6
1.4
1.2
1
0.8
0.6
1
2
3
4
5
6
7
8
SUPPLY VOLTAGE (V)
S
1.6
1.5
1.4
1.3
1.2
1.1
1
-40
-20
0
AMBIENT TEMPERATURE (
°
C)
UNITY GAIN ERROR vs TEMPERATURE
20
40
60
80
100
S
SUPPLY CURRENT vs TEMPERATURE
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
2
3
4
5
6
7
U
UNITY GAIN ERROR vs SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
COMPRESSOR
EXPANDOR
NOTE: UNITY GAIN ERROR MAY BE
SET TO 0 AT ANY V
BY
ADJUSTING THE VALUE OF R1, R3
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-40
-20
0
20
40
60
80
100
U
TEMPERATURE (
°
C)
THD vs TEMPERATURE
COMPRESSOR
EXPANDOR
1
0.5
0
-0.5
-1
2
3
4
5
6
O
TRACKING ERROR vs INPUT LEVEL
INPUT LEVEL (dB)
COMPRESSOR
EXPANDOR
NOTE: RELATIVE
TO UNITY GAIN
0.5
0.4
0.3
0.2
0.1
-40
-20
0
20
40
60
80
100
T
TEMPERATURE (
°
C)
COMPRESSOR
EXPANDOR
SR00715
Figure 3. Typical Performance Characteristics
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