SA9801 PDF даташит
Спецификация SA9801 изготовлена «Silan Microelectronics» и имеет функцию, называемую «SINGLE STANDARD VIF-PLL DEMODULATOR AND FM-PLL DETECTOR». |
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Детали детали
Номер произв | SA9801 |
Описание | SINGLE STANDARD VIF-PLL DEMODULATOR AND FM-PLL DETECTOR |
Производители | Silan Microelectronics |
логотип |
7 Pages
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SA9801
SINGLE STANDARD VIF-PLL DEMODULATOR AND FM-PLL DETECTOR
DESCRIPTION
The SA9801 is a monolithic integrated circuit for vision and sound IF
signal processing in TV and VTR sets and multimedia front-ends.
FEATURES
∗ Suitable for negative vision modulation
∗ Applicable for IF frequencies of 38.9, 45.75 and 58.75 MHz
∗ Gain controlled wide-band Vision Intermediate Frequency (VIF)
amplifier (AC-coupled)
∗ True synchronous demodulation with active carrier
regeneration (ultra-linear demodulation, good intermodulation
figures, reduced harmonics and excellent pulse response)
∗ Peak sync pulse AGC
∗ Video amplifier to match sound trap and sound filter
∗ AGC output voltage for tuner with fixed resistor for takeover
point setting
APPLICATIONS
∗ AFC detector without extra reference circuit
∗ TV, VTR, PC and stb applications.
∗ Alignment-free FM-PLL detector with high linearity
∗ Stabilizer circuit for ripple rejection and to achieve constant
output signals
∗ 5 to 9 V positive supply voltage range
∗ Low power consumption of 300 mW at 5 V supply voltage.
ORDERING INFORMATION
Part No.
SA9801
Package
SOP-20-375-1.27
Marking
SA9801
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.0 2009.06.05
Page 1 of 7
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SA9801
BLOCK DIAGRAM
20
VCC
6 17 16
TPLL VCO2 VCO1
15
AFC
GND Internal
18 reference
voltage
Travelling
wave
divider
VCO
AFC
detector
AF
AF amplifier DAF
9
10
3-stage
IF-amplifier
VIF1
1
VIF2
2
Frequency
detector and
phase detector
4
ADJ
Tuner AGC
IF AGC
Video
demodulator
Video amplifier
SA9801
AGC detector
Sound
mute
FM-PLL
detector
NC 8
Limiter
amplifier
SI
11
Buffer amplifier and
noise clipper
TOP TAGC
3 12
AGC
MUTE
VSO VI
19 5
13 14
CVBS
7
ABSOLUTE MAXIMUM RATING In accordance with the Absolute Maximum Rating System (IEC
134).
PARAMETER
Supply Voltage
Voltage On
Pins VIF1, VIF2, AFC And
AGC Pin TAGC
Maximum Short-Circuit Time
Storage Temperature
Ambient Temperature
SYMBOL
VCC
Vn
tsc(max)
Tstg
Tamb
CONDITIONS
ICC= 70 mA; Tamb =70 °C;
maximum chip temperature
125 °C for SA9801
128 °C for SA9801T
to ground or VCC
MIN.
0
0
0
−
−
−25
−20
MAX. UNIT
9.9
9.9
VCC
13.2
10
+150
+70
V
V
V
V
s
°C
°C
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.0 2009.06.05
Page 2 of 7
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SA9801
QUICK REFERENCE DATA
PARAMETER
Supply Voltage
Supply Current
Sensitivity Of VIF Input
Signal (RMS Value)
Maximum Input Voltage
(RMS Value)
IF Gain Control
CVBS Output Voltage
(Peak-To-Peak Value)
−3 dB Video Bandwidth
Weighted Signal-To-Noise
Ratio
Intermodulation Attenuation
At F = 0.92 or 1.1 Mhz
Intermodulation Attenuation
At F = 2.76 or 3.3 Mhz
Harmonics Suppression In
Video Signal
Maximum Output AF Signal
Handling Voltage (RMS
Value)
Ambient Temperature
SYMBOL
VCC
ICC
Vi(sens)(VIF)(rms)
Vi(max)(rms)
GIF
Vo(CVBS)(p-p)
Bv(−3dB)
S/NW
αIM(0.92/1.1)
αIM(2.76/3.3)
αH(sup)
Vo(AF)(max)(rms)
Tamb
CONDITIONS
VCC = 9 V
−1 dB video at output; fPC
= 38.9 or 45.75 MHz
+1 dB video at output; fPC
= 38.9 or 45.75 MHz
fPC = 38.9 or 45.75 MHz
VCC = 5 V
CL < 20 pF; RL >1kΩ
VCC = 5 V
for BLUE
for BLUE
THD < 1.5%
MIN.
4.5
52
−
70
64
1.7
6
56
56
56
35
0.8
−20
TYP.
5.0
61
50
150
70
2.0
8
60
62
62
40
−
−
MAX.
9.9
70
UNIT
V
mA
90 µV
− mV
dB
2.3 V
− MHz
− dB
− dB
− dB
− dB
−V
+70 °C
PIN CONFIGURATION
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.0 2009.06.05
Page 3 of 7
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