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GS12081 Datasheet(PDF) 7 Page - Semtech Corporation

Part # GS12081
Description  12G UHD-SDI Cable Driver
Download  64 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS12081 Datasheet(HTML) 7 Page - Semtech Corporation

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GS12081
Final Data Sheet
Rev.6
PDS-061305
January 2019
7 of 64
Semtech
Proprietary & Confidential
www.semtech.com
17
GPIO0
Digital
Input/Output
Multi-function Control/Status Input/Output 0.
Default function:
Direction = Output
Signal = High indicates LOS (Loss of Signal, inverse of Carrier Detect)
Pin is 1.8V CMOS I/O, please refer to GPIO0_CFG for more information
on how to configure GPIO0.
18
GPIO1
Digital
Input/Output
Multi-function Control/Status Input/Output 1.
Default function:
Direction = Output
Signal = Unassigned. Configure to the most appropriate GPIO
function for the intended application.
Pin is 1.8V CMOS I/O, please refer to GPIO1_CFG for more information
on how to configure GPIO1.
19, 31, 37, 38
VEE_CORE
Power
Most negative power supply connection for the analog core.
Connect to ground.
20
VCCO1P8_1
Power
Most positive power supply connection for cable driver pre driver.
Connect to 1.8V and decouple to ground. See Section 6.1 Typical
Application Circuit for values.
21, 28
VEEO
Power
Most negative power supply connection for the output drivers.
Connect to ground.
22, 23
SDO1,SDO1
Output
Differential CML output with two internal 75Ω pull-ups.
Note: If one of the two outputs is not used by the application, ensure
that it is connected to ground through a capacitor and resistor. See
Section 6.1 Typical Application Circuit for values.
24
VCCO_1
Power
Most positive power supply connection for the SDO1/ SDO1 output
driver.
Connect to 2.5V or 3.3V and decouple to ground. See Section 6.1
Typical Application Circuit for values.
25
VCCO_0
Power
Most positive power supply connection for the SDO/SDO0 output
driver.
Connect to 2.5V or 3.3V and decouple to ground. See Section 6.1
Typical Application Circuit for values.
26, 27
SDO0, SDO0
Output
Differential CML output with two internal 75Ω pull-ups.
Note: If one of the two outputs is not used by the application, ensure
that it is connected to ground through a capacitor and resistor. See
Section 6.1 Typical Application Circuit for values.
29
VCCO1P8_0
Power
Most positive power supply connection for cable driver pre driver.
Connect to 1.8V and decouple to ground. See Section 6.1 Typical
Application Circuit for values.
Table 1-1: GS12081 Pin Descriptions (Continued)
Pin Number
Name
Type
Description


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