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PDF SM5301AS Data sheet ( Hoja de datos )
| Número de pieza | SM5301AS | |
| Descripción | 3-channel Video Buffer | |
| Fabricantes | Nippon Precision Circuits | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM5301AS (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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SM5301AS
3-channel Video Buffer with Built-in Wideband Filters
OVERVIEW
The SM5301AS is a video buffer with built-in video signal bandwidth lowpass filter. The filter employs a 5-
order Butterworth lowpass filter configuration. The filter characteristics have been optimized for minimal over-
shoot and flat group delay, it has a variable cutoff frequency and guaranteed driver-stage channel gain differ-
ence and phase difference values.
FEATURES
I Supply voltage: 5V ± 10%
I VESA-standard ATSC digital TV RGB/YUV
video filters
I 2-system input/1-system output switching analog
multiplexer function
I DC voltage level restore sync clamp function
I Output buffer gain switching function: 0, 6dB
(input-to-output AC signal gain)
I Channel-to-channel gain difference: 0.5dB (± 5%
supply voltage variation)
I Channel-to-channel phase difference: 3.5 degree
I Output signal harmonic distortion (all channels):
1.5%
I Cutoff frequency: 5.8 to 37MHz variable
I Package: 28-pin HSOP (Pb free)
APPLICATIONS
I Set-top boxes
I Digital television
I DVD players
I Projector
PINOUT
(Top view)
GINA/UINA 1
GSG1 2
GINB/UINB 3
NC 4
BINA/VINA 5
GSB1 6
BINB/VINB 7
GND
NC 8
DISABLE 9
GND3 10
BOUT/VOUT 11
VCC3 12
GND2 13
GOUT/UOUT 14
28 NC
27 RINB/YINB
26 GSR1
25 RINA/YINA
24 VCC4
23 SYNCIN
22 MUXSEL
GND
21 VFC
20 RFC
19 GND4
18 VCC1
17 ROUT/YOUT
16 GND1
15 VCC2
ORDERING INFORMATION
Device
SM5301AS
Package
28-pin HSOP
PACKAGE DIMENSIONS
(Unit: mm)
0.15
+
–
0.1
0.05
1.3TYP
18.6 ± 0.3
0 to 10
0.8 5.15
0.10
0.35 ± 0.05
0.12 M
SEIKO NPC CORPORATION —1
1 page  
SM5301AS
Electrical Characteristics
VCC = 4.5 to 5.5V, Ta = – 25 to 85°C unless otherwise noted.
Parameter
Supply current 1
Supply current 2
Supply current 3
Output gain error 1
Output gain error 2
Output voltage
DISABLE-mode input impedance
(pull-down)
Clamp response time
Maximum input amplitude
Maximum overshoot
Maximum load capacitance
Output drive load
Channel-to-channel gain
difference
Channel-to-channel phase
difference
Output harmonic distortion
Power supply rejection ratio
Output short-circuit current
Logic HIGH-level input voltage 1
Logic LOW-level input voltage 1
Logic HIGH-level input voltage 2
Logic LOW-level input voltage 2
Logic pull-up resistance
Logic pull-down resistance
Symbol
ICC1
ICC2
ICC3
∆AV1
∆AV2
Vout2
RIN1
Tclamp
VI
VOS
CL
RL
dG
dφ
THD
PSRR
ISC
VIH1
VIL1
VIH2
VIL2
RIN2
RIN3
Condition
VCC = 5.5V, RFC = 820Ω to GND,
VFC = 0.2V (fc = 5MHz),
DISABLE = "L"
VCC = 5.5V, RFC = 820Ω to GND,
VFC = 1.6V (fc = 40MHz),
DISABLE = "L"
VCC = 5.5V, RFC = 820Ω to GND,
VFC = 0.2V (fc = 40MHz),
DISABLE = "H"
Error entered around table 1 values,
Ta = 0 to 70°C, VCC = 4.75 to 5.25V
Error entered around table 1 values,
Ta = – 25 to 85°C
RL = 75Ω to GND, 6dB gain setting
RINA/YINA, RINB/YINB, GINA/UINA,
GINB/UINB, BINA/VINA, BINB/VINB
Time for 90% output signal change
for 10mV input signal, CIN = 0.1µF
AC coupling, 6dB gain setting
2Vp-p output pulse
BOUT/VOUT, GOUT/UOUT, ROUT/YOUT
one load unit = 150Ω
Between R/G/B, fc/2 [Hz]
min
70
90
1
– 0.5
–1
2.4
–
–
–
–
–
–
–
Between R/G/B, fc/2 [Hz]
Vout = 2Vp-p, f = 1MHz
VCC = 0.5Vp-p, f = 100kHz
DISABLE, MUXSEL, SYNCIN
DISABLE, MUXSEL, SYNCIN
GSB1, GSG1, GSR1
GSB1, GSG1, GSR1
GSB1, GSG1, GSR1
DISABLE, MUXSEL, SYNCIN
–
–
–
–
2.5
–
VCC − 0.5
–
–
–
Rating
typ
100
120
2.5
–
–
–
50
8
–
10
–
–
–
3.5
1.5
35
–
–
–
–
–
40
50
max
Unit
Test
level
130 mA I
160 mA I
5 mA I
+ 0.5 dB
I
+ 1 dB I
– Vp-p I
– kΩ I
– ms II
1.4 Vp-p I
– % II
15 pF II
2 load I
0.5 dB I
–
degree
II
– % II
– dB II
100 mA II
– VI
1.0 V I
– VI
0.5 V I
– kΩ I
– kΩ I
SEIKO NPC CORPORATION —5
5 Page 
SM5301AS
2-load Output Connection
ROUT/YOUT output 2-load connection (similarly for GOUT/UOUT , BOUT/VOUT outputs)
ROUT/YOUT
220µF
+
75Ω
75Ω
R/Y1
R/Y2
Digital TV Receiver and HDTV Decoder Box
Graphic
Processor
MPEG2
Transport/Decoder
HDTV
Decoder/Display
Processor
D to A
Convertor
CAMERA
Video Decoder
and
Display Processor
DVD-ROM MEMORY
D to A
Convertor
Graphic
Processor
SM5301
DIGITAL TV
SM5301
RGB
MONITOR
SEIKO NPC CORPORATION —11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SM5301AS.PDF ] | |
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