參數(shù)資料
型號: TEA5757
廠商: NXP Semiconductors N.V.
英文描述: Self Tuned Radio STR
中文描述: 自調(diào)諧收音機可疑
文件頁數(shù): 27/32頁
文件大?。?/td> 172K
代理商: TEA5757
1
2
P
P
S
T
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T
h
100
μ
F
220
nF
4.7 nF
10
pF
22 pF
100
nF
VSTAB(A)
VSTAB(B)
VCC1
GND
P1
P0
TUNE
10
18 k
47 k
47 k
75 kHz
25
(13)
(14)
(14)
23
1
26
31
30
2
VSTAB(A)
VSTAB(A)
VSTAB(B)
VCC2
L1
18 pF
18 pF
470 pF
BB112
TUNE
TUNE
470 nF
10 nF
10
μ
F
4.7
μ
F
L4
L2
6
40
41
36
44
8
22
32
20
19
13
15
14
9
12
24
16
18
17
33
35
37
39
5
3
43
TUNE
BB804
BB804
29
38
34
27
28
42
7
21
10
11
4
VSTAB(B)
L5
68 k
2.2 k
10 k
50 k
470 nF
470 nF
100 nF
(12)
100 nF
12 nF
12 nF
VCC1
MO/ST
left output
right output
K3
100 nF
2.2
μ
F
DATA
BUS-CLOCK
WRITE-ENABLE
VSTAB(B)
K2
L3
470 nF
330 pF
220 nF
18 pF
BB112
22 nF
TEA5757;
TEA5759
MHA113
(4)
K1
(3)
(5)
(7)
(11)
(10)
(8)
L6
(6)
L7
(2)
(9)
10
pF
18 k
TUNE
L8
(1)
(12)
Fig.8 Application diagram.
(1) L8 = MC117 E523FN-2000242, 38 pF
±
3%,
TOKO.
(2) L7 = MC117 E523FN-2000242, 38 pF
±
3%,
TOKO.
(3) K1 = SFE10.7MS3, MURATA.
(4) K2 = SFE10.7MS3, MURATA.
(5) K3 = CDA10.7-MG40-A, MURATA.
(6) L6 = 60 nH.
(7) L5 = 7P A7MCS-11845Y, C = 180 pF, Q = 90, TOKO.
(8) L1 = 250
μ
H ferroceptor.
(9) L2 = 7P 7DRS-11459N, 110
μ
H at 796 kHz, Q = 80, TOKO.
(10) L3 = 7P A7MCS-11844N, C = 180 pF, Q = 90, TOKO.
(11) L4 = 7P A7MCS-11845Y, C = 180 pF, Q = 90, TOKO.
(12) De-emphasis time constant is 50
μ
s: C
de-emp
= 12 nF.
De-emphasis time constant is 75
μ
s: C
de-emp
= 18 nF.
(13) Standard applications:
±
30 ppm at 25
°
C.
Short wave applications:
±
20 ppm at 25
°
C.
(14) Alternatively BB512, Siemens or KV1561A, TOKO.
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