參數(shù)資料
型號: TEA5759H
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: Self Tuned Radio STR
中文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT307-2, QFP-44
文件頁數(shù): 8/40頁
文件大?。?/td> 209K
代理商: TEA5759H
2000 Feb 02
8
Philips Semiconductors
Product specification
Self Tuned Radio (STR)
TEA5757HL; TEA5759HL
To ensure that the search function operates correctly under all conditions the following search sequence must be applied:
Store the current frequency in the memory
Issue the search command
Wait for data valid and read the new frequency
If the new frequency is the same as the stored frequency, issue a preset step (e.g. 50 kHz) and start the search
sequence again.
T
UNING CURRENTS FOR DIFFERENT CONDITIONS
Table 1
Tuning currents
BAND
SELECT
W
1
(kHz)
W
2
(kHz)
R
(kHz)
I
A
(
μ
A)
I
B
(
μ
A)
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
FM
MW
LW
SW
25
3
1
1
200
64
64
64
12.5
1
1
1
2
2
2
2.5
2.5
2.5
0.5
3
3
3
54
54
54
12
80
80
80
16
100
100
100
20
0.4
0.7
handbook, full pagewidth
MHB641
IB
IA
fc
f
R
IA
IB
R
W1
W2
R
R
Fig.3 Tuning currents.
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