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TDA7546 Datasheet(PDF) 19 Page - STMicroelectronics

No. de pieza TDA7546
Descripción Electrónicos  Multichip module for TMC tuner applications
PDF  68 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7546 Datasheet(HTML) 19 Page - STMicroelectronics

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TDA7546
Electrical specification
19/68
Analog Inputs (pin 41)
VMPX
Input Range of MPX Signal
0.75
Vrms
Input Impedance of MPX pin
45k
55k
65k
Ohm
VREF1
Internal Reference Voltage
0.5
0.9
V
Internal Reference Impedance
1.3
2
k
Ω
VREF2
Internal Reference Voltage
1.5
2.1
V
Internal Reference Impedance
2.15
2.95
k
Ω
VREF3
Internal Reference Voltage
2.6
3.2
V
Internal Reference Impedance
1.3
2.0
k
Ω
PLL parameters
fvco
VCO Range
150
250
MHz
fvin
VCO Input Range
4
21
MHz
tlock
PLL Lock Time
500
μs
IDF
Input Divide Factor
1
32
ODF
Output Divide Factor
2
32
MF
Integer Multiplication Factor
9
128
FRA
Fractional Multiplication Factor
FRA/214
0-
214
I2C (@ fsys = 8.55/8.664MHz)
fI2C
clock frequency in I2C mode
400
KHz
SPI (@ fsys = 8.55/8.664MHz)
fSPI
clock frequency in SPI mode
1
MHz
tch
clock high time
450
ns
tcl
clock low time
450
ns
tcsu
chip select setup time
500
ns
tcsh
chip select hold
500
ns
todv
output data valid
250
ns
toh
output hold
0
ns
td
deselect time
1000
ns
tsu
data setup time
200
ns
th
data hold time
200
ns
Table 8.
Electrical characteristics (continued)
(Tamb = -40 to +85 °C, VDDA/VDDD = 3.0 to 3.6 V,fosc = 10.25 MHz, unless otherwise specified
VDDD and VDDA must not differ more than 0.15V).
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit



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