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PDF SM5307A Data sheet ( Hoja de datos )
| Número de pieza | SM5307A | |
| Descripción | 3-channel Video Buffer | |
| Fabricantes | NPC | |
| Logotipo |  |
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SM5307A
3-channel Video Buffer
OVERVIEW
The SM5307A is a 3-channel video buffer for the HD output equipment that corresponds to the 480i to 1080p
video signal standards. It can change the 5th-order lowpass filter (LPF) which is mounted on this IC, to four
modes of SD1, SD2, HD and filter-bypass mode, which corresponds to video signal. In addition, improvement
of S/N characteristic with HD band is actualized.
FEATURES
I Supply voltages: 4.75 to 5.25V
I Current consumption
• Normal operation: 65mA (typ, VCC = 5.0V)
• Disable mode: 1.4mA (typ, VCC = 5.0V)
I Output gain: 6.0dB ± 0.5dB
I LPF passband
• SD1 mode
CH1 = 6.75MHz
CH2, CH3 = 3.375MHz
• SD2 mode
CH1 = 13.5MHz
CH2, CH3 = 6.75MHz
• HD mode
CH1 = 30MHz
CH2, CH3 = 15MHz
I Filter-bypass mode corresponding to 1080p:
80MHz (typ)
I Maximum input amplitude: 1.4Vp-p
I S/N ratio: 70dB (typ)
I Input multiplexer: 2-system input, 1-system output
I Input type
• CH1: Synctip clamp
• CH2, CH3: Bias
I Disable mode function (power-down mode)
I Operating ambient temperature range: −40 to 85°C
I Package: 24-pin VSOP (Pb free)
PINOUT
(Top view)
FC1
IN1A
IN1B
VCC
NC
IN2A
IN2B
NC
GND
IN3A
IN3B
DISABLE
1
12
24 FC2
NC
GND
NC
OUT1
VCC
OUT2
GND
OUT3
NC
VCC
13 MUXSEL
PACKAGE DIMENSIONS
(Unit: mm)
7.9 ± 0.2
0.15
+
−
0.1
0.05
APPLICATIONS
I DVD player
I DVD recorder
I Set Top Box
ORDERING INFORMATION
Device
SM5307AV
Package
24-pin VSOP
0.65
0.10
+ 0.1
0.22 − 0.05
0.12 M
0 to 10
SEIKO NPC CORPORATION —1
1 page  
SM5307A
SPECIFICATIONS
Absolute Maximum Ratings
GND = 0V
Parameter
Supply voltage
Input voltage
Storage temperature range
Junction temperature
Power dissipation
Symbol
VCC
VIN
TSTG
TJ
PD
Condition
VCC
MUXSEL, DISABLE, FC1, FC2,
IN1A, IN1B, IN2A, IN2B, IN3A, IN3B
θja = 33°C/W
Recommended Operating Conditions
Parameter
Supply voltage
Operating ambient temperature
range
Symbol
VCC
Ta
Condition
Rating
−0.3 to 6.5
GND – 0.3 to VCC + 0.3
−55 to +125
125
1.0
Rating
4.75 to 5.25
−40 to +85
Unit
V
V
°C
°C
W
Unit
V
°C
Electrical Characteristics
DC Characteristics
VCC = 5.0V, Ta = 25°C, fin = 100 kHz, VIN = 1.0Vp-p, RL = 75Ω, unless otherwise noted.
Parameter
Symbol
Condition
Current consumption 1*1
Current consumption 2*1
HIGH-level Input voltage
LOW-level Input voltage
ICC1 DISABLE = “L”
ICC2 DISABLE = “H” (on disable mode)
VIH MUXSEL, DISABLE, FC1, FC2,
VCC = 4.75 to 5.25V,
VIL Ta = –40 to +85°C
HIGH-level input leakage current
LOW-level input leakage current
ILH
MUXSEL, DISABLE, FC1, FC2
ILL
*1. Total of current consumption of VCC when no input signals.
Rating
min typ max
– 65 100
– 1.4 2.0
2.0 −
–
− − 0.8
− − 1.0
− − 1.0
Unit
mA
mA
V
V
µA
µA
Test
level
I
I
I
I
I
I
SEIKO NPC CORPORATION —5
5 Page 
SM5307A
12
6 Gain
0
−6
−12
−18
−24
−30
−36
−42
−48
Group delay
−54
−60
0
20 40 60
Frequency [MHz]
80
120
110
100
90
80
70
60
50
40
30
20
10
0
100
Figure 7. Gain and Group delay vs. Frequency
characteristics (CH-1, HD mode)
12
6
0
−6
−12
−18
−24
−30
−36
−42
−48
−54
−60
0
Gain
Group delay
40 80 120 160
Frequency [MHz]
120
110
100
90
80
70
60
50
40
30
20
10
0
200
Figure 9. Gain and Group delay vs. Frequency
characteristics
(CH-1,CH-2, CH-3, Filter-bypass mode)
12
6
0
−6
−12
−18
−24
−30
−36
−42
−48
−54
−60
0
Gain
Group delay
20 40 60 80
Frequency [MHz]
120
110
100
90
80
70
60
50
40
30
20
10
0
100
Figure 8. Gain and Group delay vs. Frequency
characteristics (CH-2, CH-3, HD mode)
SEIKO NPC CORPORATION —11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SM5307A.PDF ] | |
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