Fairchild's Switch Matrix and Video Filter Driver0 pages
Fairchild’s Switch Matrix and
Video Filter Driver Products
Typical Video Signal Path Block Diagram
HDMI
Switch
Up to 12
Inputs from
Camera or
CCD Imaging
12
Video
Switch
Matrix
Anti-Aliasing
Video Filter
9
ADC
Or High
Performance
Amplifier
HDMI
Rx
Video
Decoder
HDMI
Tx
DSP
Controller
Chip
Video
Encoder
USB
Rx
Information covered in this linecard
Refer to www.fairchildsemi.com for information
regarding other products
USB
Tx
LVDS
Rx
Or High
Performance
MUX
HDMI
Switch
Analog
Switch
Or Video
Switch
Matrix
DAC
USB
Switch
Reconstruction
Video
Filter-Driver
Or High
Performance
Amplifier
To
Display’s
LVDS
Tx
Or High
Performance
MUX
Video Switch Matrix Block Diagram
Video Switch Matrices
Fairchild’s Video Switch Matrices have several integrated
building blocks including:
IN1
Clamp/Bias
•tMultiple inputs that can be switched to any or all outputs
IN2
Clamp/Bias
INn
Clamp/Bias
•tTransparent clamp that automatically clamps or sets
t a bias voltage level according to table listed in the
t Video Switch Matrix block diagram
•tVideo drivers with selectable gains that also offer
t high ESD protection
.
.
.
Clamp/Bias
Y, CV = 0.250V G = 0.250V
Pb, C = 1.25V B = 0.250V
Pr = 1.25V
R = 0.250V
Driver/
ESD
Driver/
ESD
Driver/
ESD
Out1
Out2
Outn
Features and Benefits
• Analog crosspoint matricest
• Supports SD, ED, and HD video
• Input clamp/bias circuitryt
• AC or DC-coupled inputs and outputs
• Dual load (75V) output driverst
• One-to-one or one-to-many input to output switching
• Programmable gaintt
• Power saving disable features
• 3.3V or 5V single supply operationt
• I2C™ compatible digital Interface, standard mode
Video Switch Matricestttttt
Part
Number
Number
of Inputs
Number
of Outputs
Control
Interface
Input
Clamp
Standards
Supported
Supply
Voltage
Coupling
In/Out
Output Driver
Gain (dB)
FMS6501
12
9
I2C
2 addresses
Bias/
Clamp
NTSC, 480i, 480p,
720p, 1080i, 1080p
3.3 to 5
AC, DC/AC, DC
6, 7, 8, 9
FMS6502
8
6
I2C
4 addresses
Bias/
Clamp
NTSC, 480i, 480p,
720p, 1080i, 1080p
3.3 to 5
AC, DC/AC, DC
0, 6
"