參數(shù)資料
型號: SA578
廠商: NXP Semiconductors N.V.
英文描述: Unity gain level programmable low power compandor
中文描述: 單位增益級可編程低功耗compandor
文件頁數(shù): 3/7頁
文件大?。?/td> 63K
代理商: SA578
Philips Semiconductors
Product specification
SA578
Unity gain level programmable low power compandor
1997 Nov 07
3
BLOCK DIAGRAM and TEST AND APPLICATION CIRCUIT
1
2
3
4
5
6
7
10
11
12
16
15
14
13
V
REF
V
CC
GND
COMP
IN
BANDGAP
I
REF
Σ
Σ
G
G
EXPANDOR
COMPRESSOR
GAINCELL
GAINCELL
RECTIFIER
V
CC
GND
COMP
CAP2
COMP
CAP1
GCELL
IN
COMP
OUT
RECT
IN
V
REF
EXP
OUT
EXP
CAP
+
RECT
IN
EXP
IN
RECTIFIER
C3
C1
R1*
C2
R2*
C4
10
μ
F
2.2
μ
F
10
μ
F
10
μ
F
C8
2.2
μ
F
C7
C6
2.2
μ
F
R3*
C5
10
μ
F
+
+
+
+
+
+
+
10
μ
F
C9
10
μ
F
+
8
9
+
C10
10
μ
F
R4
10k
SUM
IN
PWRDN/
MUTE
MUTE
*R1, R2 and R3 are 1% resistors.
30k
30k
10k
10k
10k
10k
10k
5k
10k
8.6k
SR00720
Figure 2. Block Diagram and Test and Application Circuit
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