參數(shù)資料
型號(hào): TDA7460ND
廠商: STMICROELECTRONICS
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO20
封裝: ROHS COMPLIANT, SOP-20
文件頁(yè)數(shù): 19/49頁(yè)
文件大?。?/td> 473K
代理商: TDA7460ND
Stereo decoder part
TDA7460ND
5.4
Multipath detector
Internal 19 kHz bandpass filter
Programmable bandpass and rectifier gain
Two pin solution fully independent usable for external programming
Selectable internal influence on stereo blend
Figure 20.
Block diagram of the stereo decoder
Table 10.
Multipath detector electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
fCMP
Center frequency of
multipath-bandpass
stereo decoder locked on pilot tone
19
KHz
GBPMP
Bandpass gain
bits D2, D1 configuration byte = 00
6
dB
bits D2, D1 configuration byte = 01
16
dB
bits D2, D1 configuration byte = 10
12
dB
bits D2, D1 configuration byte = 11
18
dB
GRECTMP Rectifier gain
bits D7, D6 configuration byte = 00
7.6
dB
bits D7, D6 configuration byte = 01
4.6
dB
bits D7, D6 configuration byte = 10
0
dB
ICHMP
Rectifier charge current
1
μA
IDISMP
Rectifier discharge
current
1.5
mA
INGAIN
3.5 ... 11dB
STEP 2.5dB
INFILTER
LP 80KHz
4.th ORDER
DEMODULATOR
- PLOT CANC
- ROLL-OFF COMP.
- LP 25KHz
PLL +
PILOT-DET.
F19
NOISE BLANKER
F38
STEREO
HOLDN
SB CONTROL
DEEMPHASIS
+ HIGHCUT
t=50 or 75
μs
REF 5V
VSBL
MPINFL
LEVEL INTERN
HC
CONTROL
VHCCH
VHCCL
-
MULTIPATH
DETECTOR
D
A
MPOUT
LEVEL INPUT
LP 2.2KHZ
1.th ORDER
MPIN
LEVEL
FM_L
FM_R
MPX
100K
D97AU762
GAIN 0..10dB
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