參數(shù)資料
型號(hào): SA577
廠商: NXP Semiconductors N.V.
英文描述: Ceramic Multilayer Capacitor; Capacitance:6.8pF; Capacitance Tolerance:+/- 0.5 pF; Working Voltage, DC:50V; Dielectric Characteristic:C0G/NP0; Package/Case:0603; Series:VJ; Features:Multilayer Ceramic Chip Capacitor
中文描述: 單位增益級(jí)可編程電源compandor
文件頁(yè)數(shù): 4/7頁(yè)
文件大小: 61K
代理商: SA577
Philips Semiconductors
Product specification
SA577
Unity gain level programmable low power compandor
1997 Nov 07
4
BLOCK DIAGRAM and TEST AND APPLICATION CIRCUIT
1
2
3
4
5
6
7
8
9
10
14
13
12
11
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
+
+
*R1, R2 and R3 are 1% resistors.
30k
30k
10k
10k
10k
10k
10k
5k
10k
8.6k
SR00717
Figure 2. Block Diagram and Test and Application Circuit
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