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STV0042A 数据表(PDF) 9 Page - STMicroelectronics

部件名 STV0042A
功能描述  SATELLITE SOUND AND VIDEO PROCESSORS
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV0042A 数据表(HTML) 9 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
VDD
Supply Voltage
15
7.0
V
V
Ptot
Total Power Dissipation
900
mW
Toper
Operating Ambient Temperature
0, + 70
oC
Tstg
Storage Temperature
-55, + 150
oC
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth(j-a)
Thermal Resistance Junction-ambient
60
oC/W
DC AND AC ELECTRICAL CHARACTERISTICS
(VCC = 12V, VDD =5V, Tamb =25
oC unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VCC
VDD
Sypply Voltage
11.4
4.75
12
5.0
12.6
5.25
V
V
IQCC
IQDD
Supply Current
All audio and all video outputs
activated
55
8
70
15
mA
mA
IQLPCC
IQLPDD
Supply Current at Low Power Mode
All audio and all video outputs
are in high impedance mode
27
6
35
9
mA
mA
AUDIO DEMODULATOR
FMIN
FM Subcarrier Input Level
(Pin FMIN for AGC action)
VCO locked on carrier at 6MHz
560k
Ω load on AMPLOCK Pins
180k
Ω load on DET Pins
5
500
mVPP
DETH
Detector 1 and 2 (AMPLOCK Pins)
(Threshold for activating Level Detector 2)
8mVPP
≤ FMIN ≤ 500mVPP
Carrier without modulation
2.90
3.10
3.30
V
VCOMI
VCO Mini Frequency
VCC : 11.4 to 12.6V,
Tamb : 0 to 70
oC
5
MHz
VCOMA
VCO Maxi Frequency
10
MHz
AP50
1kHz Audio Level at PLL output
(DET Pins)
0.5VPP 50kHz dev. FM input,
Coarse deviation set to 50kHz
(Reg. 05 = 36HEX)
0.6
1
1.35
VPP
APA50
1kHz Audio Level at PLL output
(DET Pins)
0.5VPP 50kHz dev. FM input,
Coarse and fine settings used
0.92
1
1.08
VPP
FMBW
FM Demodulator Bandwidth
Gain at 12kHz versus 1kHz
180k
Ω, 82kΩ 22pF on DET Pins
0
0.3
1
dB
DPCO
Digital Phase Comparator Output Current
(CPUMP Pins)
Average sink and source
current to external capacitor
60
µA
AUTOMATIC NOISE REDUCTION SYSTEM
LRS
Output Level (Pin SUMOUT)
1VPP on left and right channel
0.9
1
1.1
VPP
LDOR
Level Detector Output Resistance
(Pins PK OUT)
4.0
5.4
6.8
k
Ω
NDFT
Level Detector Fall Time Constant
(Pins PK OUT)
External 22nF to GND and
1.2M
Ω to VREF
26.4
ms
NDLL
Bias Level (Pins PK OUT)
No audio in
2.40
V
LLCF
Noise Reduction Cut-off Frequency at
Low Level Audio
100mVPP on DET Pins, External
capacitor 330pF (FC Pins)
0.85
kHz
HLCF
Noise Reduction Cut-off Frequency at
High Level Audio
1VPP on DET Pins, External
capacitor 330pF (FC Pins)
7
kHz
STV0042A
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