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GS9077-CNE3

P1-P3P4-P6P7-P9P10-P12P13-P14
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GS9077 HD-LINX® III
SD-SDI Cable Driver
GS9077 Data Sheet
44619 - 0 May 2007 1 of 14
Features
• SMPTE 344M and SMPTE 259M compliant
• Dual coaxial cable driving outputs
• Selectable power down mode
•50Ω differential PECL input
• Pb-free and RoHS compliant
• Seamless interface to other HD-LINX® III family
products
• Single 3.3V power supply operation
• Operating temperature range: 0°C to 70°C
Applications
• SMPTE 344M and SMPTE 259M Coaxial Cable
Serial Digital Interfaces.
Description
The GS9077 is a high-speed BiCMOS integrated circuit
designed to drive one or two 75Ω co-axial cables.
The GS9077 may drive data rates up to 540Mb/s and
provides a disable pin that may be used to power down
the output stage.
The GS9077 accepts a LVPECL level differential input
that may be AC coupled. External biasing resistors at
the inputs are not required.
Power consumption is typically 168mW using a 3.3V
power supply. The GS9077 is Pb-free, and the
encapsulation compound does not contain halogenated
flame retardant.
This component and all homogeneous subcomponents
are RoHS compliant.
Functional Block Diagram
SDO
R
SET
SDO
DDI
DDI
BANDGAP REFERENCE AND BIASING CIRCUIT
OUTPUT STAGE &
CONTROL
INPUT
DIFFERENTIAL
PAIR
DISABLE
GS9077 Data Sheet
44619 - 0 May 2007 2 of 14
Contents
Features ........................................................................................................................1
Applications...................................................................................................................1
Description ....................................................................................................................1
1. Pin Out ......................................................................................................................3
1.1 Pin Assignment ...............................................................................................3
1.2 Pin Descriptions ..............................................................................................3
2. Electrical Characteristics...........................................................................................4
2.1 Absolute Maximum Ratings ............................................................................4
2.2 DC Electrical Characteristics ..........................................................................4
2.3 AC Electrical Characteristics ...........................................................................5
2.4 Solder Reflow Profiles .....................................................................................6
3. Input / Output Circuits ...............................................................................................7
4. Detailed Description ..................................................................................................8
4.1 Input Interfacing ..............................................................................................8
4.2 Output Interfacing ...........................................................................................8
4.2.1 Output Amplitude (RSET) ......................................................................9
4.2.2 Output Disable .......................................................................................9
4.3 Output Return Loss Measurement ..................................................................9
5. Application Information............................................................................................10
5.1 PCB Layout ...................................................................................................10
5.2 Typical Application Circuit .............................................................................10
6. Package & Ordering Information.............................................................................11
6.1 Package Dimensions ....................................................................................11
6.2 Recommended PCB Footprint ......................................................................12
6.3 Packaging Data .............................................................................................12
6.4 Marking Diagram ...........................................................................................13
6.5 Ordering Information .....................................................................................13
7. Revision History ......................................................................................................14
GS9077 Data Sheet
44619 - 0 May 2007 3 of 14
1. Pin Out
1.1 Pin Assignment
Figure 1-1: 16-Pin QFN
1.2 Pin Descriptions
Center Pad
(bottom of package)
GS9077
(top view)
1
V
EE
DDI
DDI
2
3
4
SDO
SDO
VCC
12
11
10
9
5
7
68
NC
NC
NC
NC
13
14
15
16
NC
DISABLE
NC
RSET
NC
RSVD
Table 1-1: Pin Descriptions
Pin Number Name Timing Type Description
1,2 DDI, DDI Analog Input Serial digital differential input.
3V
EE
– Power Most negative power supply connection. Connect to GND.
4R
SET
Analog Input External output amplitude control resistor.
5,8,10,13,14,
15,16
NC – – No Connect. Not bonded internally.
6 DISABLE
Non
Synchronous
Input Serial output disable. When asserted LOW, the SDO/SDO output driver is
powered off. SDO/SDO
will float to V
CC
through the pull-up resistor.
7 RSVD – Reserved Do not connect.
9V
CC
– Power Most positive power supply connection. Connect to +3.3V.
11,12 SDO
, SDO Analog Output Serial digital differential output.
– Center Pad – Power Connect to most negative power supply plane following the
recommendations in Recommended PCB Footprint on page 12.
P1-P3P4-P6P7-P9P10-P12P13-P14

GS9077-CNE3

Mfr. #:
Buy GS9077-CNE3
Manufacturer:
Semtech
Description:
Video ICs QFN-16 pin
Lifecycle:
New from this manufacturer.
Delivery:
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