參數(shù)資料
型號(hào): TDA7540NTR
廠商: STMICROELECTRONICS
元件分類: 調(diào)諧器
英文描述: 2-BAND, AUDIO TUNER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-80
文件頁(yè)數(shù): 46/76頁(yè)
文件大小: 1225K
代理商: TDA7540NTR
Software specification
TDA7540N
Table 22.
Addr 10 quality detection multipath
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Multipath control “ON”
1
Multipath control “OFF”
0
MP bandpass frequency 19KHz if MPION=1, NBSMP=1,
MPPC=1, than has to be 0
1
MP bandpass frequency 31KHz
0
MP gain 12dB
1
MP gain 23dB
0
MP threshold 0.50V
0
1
MP threshold 0.75V
1
0
MP threshold 1.00V
1
MP threshold 1.25V
0
Application mode 1
0
1
Application mode 2
0
Multipath eliminates ac
1
Multipath eliminates ac and ac+
Table 23.
Addr 11 quality deviation detection
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
charge current 39A, discharge current 1A
0
1
charge current 38A, discharge current 2A
0
1
0
charge current 37A, discharge current 3A
0
1
charge current 36A, discharge current 4A
--
-
1
charge current 32A, discharge current 8A
0
DEV threshold for ISS narrow/wide 30kHz
0
1
DEV threshold for ISS narrow/wide 45kHz
1
0
DEV threshold for ISS narrow/wide 60kHz
1
DEV threshold for ISS narrow/wide 75kHz
0
DEV threshold for ISS filter “OFF” ratio 1.5
0
1
DEV threshold for ISS filter “OFF” ratio 1.4
1
0
DEV threshold for ISS filter “OFF” ratio 1.3
1
DEV threshold for ISS filter “OFF” ratio 1
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