參數(shù)資料
型號(hào): tda 6612-2
廠商: SIEMENS AG
英文描述: TV-Stereo-Sound(TV 立體聲)
中文描述: 電視,立體音響(電視立體聲)
文件頁(yè)數(shù): 36/47頁(yè)
文件大?。?/td> 1967K
代理商: TDA 6612-2
Semiconductor Group
36
TDA 6612-2
Characteristics
(cont’d)
Parameter
Symbol
Limit Values
Unit
Test Condition
Test
Circuit
min.
typ.
max.
Switching
threshold
f
REF
-input
Switching
threshold
f
REF
-input
Amplitude
crystal oscillator
V
H in L
V
H in L
0
3.5
1.5
V
21
V
V
2
2
V
24
0.3
Vpp
f
0
= 4.00000 MHz
Serial resonance
4
Ext. 1- or 4 MHz-
clock signal
V
24
2
Vpp
3
Crystal current
I
C
t
MPX
t
MPX
t
MPX
0.29
0.35
0.42
mArms
R
C
= 40
s
s
s
09,88, MPX = 8 s
Multiplexer clock
Multiplexer clock
Multiplexer clock
2.17
4.34
8.68
09,08, MPX = 2 s
09,48, MPX = 4 s
Design-Related Data
Filter output
resistance
R
25,26
110
k
f
REF
-input
resistance
R
24
800
Input impedance
crystal oscillator
Z
24
– 600
– 500
– 400
Crystal serial
resistance
Crystal serial
resistance
R
C1
R
C3
300
100
P
tot
= 1
μ
W,
fundamental
P
tot
= 1
μ
W
3rd harmonic
P
tot
= 1
μ
W
f
< 15 MHz
Spurious wave
spacing
(fundamental wave to
harmonic and
nonharmonic signals)
20
dB
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