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TDA7546 Datasheet(PDF) 16 Page - STMicroelectronics

Part # TDA7546
Description  Multichip module for TMC tuner applications
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7546 Datasheet(HTML) 16 Page - STMicroelectronics

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Electrical specification
TDA7546
16/68
3.3.1
Additional parameters
ISS Filter Time Constant
I15
Charge current low mid
TISS, ISSCTL = 1
-74
μA
Charge current high mid
TISS, ISSCTL = 1
-80
-60
-40
μA
Charge current low narrow
TISS, ISSCTL = 1
-124
μA
Charge current high narrow
TISS, ISSCTL = 1
-140
-110
-80
μA
Discharge current low
TISS, ISSCTL = 0
0.5
1
2
μA
Discharge current high
TISS, ISSCTL = 0
10
15
20
μA
V15
Low voltage
ISSCTL = 0
0.1
0.2
V
High voltage
ISSCTL = 1
4.6
4.9
V
1.
Guaranteed by design
Table 5.
Tuner (continued)
(Tamb = -40 to +85°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCIF1=8.5V,
fRF = 98.1MHz, dev. = 40KHz, fMOD = 1KHz, fIF1 = 10.7MHz, fIF2 = 450KHz,
fXtal = 10.25MHz, in application circuit, unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Table 6.
Additional parameters
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Output of Tuning Voltages (TV1,TV2)
VOUT
Output voltage
TVO
0.5
VCC3-
0.5
V
ROUT
Output impedance
18
21.5
25
k
Ω
Xtal Reference Oscillator
fLO
Reference frequency
CLoad = 15pF
10.25
MHz
CStep
Min. cap step
XTAL
0.75
pF
Cmax
Max. cap
XTAL
23.25
pF
Δf/f
Deviation versus VCC2
ΔV
CC2 = 1V
(1)
1.5
ppm/V
Δf/f
Deviation versus temp
-40°C < T < +85°C (1)
0.2
ppm/K
I2C-Bus interface
fSCL
Clock frequency
400
KHz
VIL
Input low voltage
1
V
VIH
Input high voltage
2.5
V
IIN
Input current
-5
5
μA
VO
Output acknowledge voltage
IO = 1.6mA
0.4
V
Loop Filter Input/Output



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