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PDF CBTL05023 Data sheet ( Hoja de datos )
| Número de pieza | CBTL05023 | |
| Descripción | Multiplexer/demultiplexer switch | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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CBTL05023
Multiplexer/demultiplexer switch for Thunderbolt applications
Rev. 2 — 15 August 2012
Product brief
1. General description
The CBTL05023 is a multiplexer/demultiplexer switch chip for DisplayPort v1.2 signals
and the control signals of a 10 Gbit/s channel. The 10 Gbit/s channel does not pass
through this switch. This chip provides BIASOUT output control signal, and the
DC-biasing pull-down resistors to facilitate an external 10 Gbit/s channel.
The AUX MUX is a 2 : 1 switch with CA_DETect pin selecting between AUX and DDC
(Direct Display Control) signals.
The DP MUX is a 2 : 1 switch that selects between DPML (DisplayPort Main Link) and
LSTX/LSRX signals.
This chip also includes three control signal buffers: HPDOUT, CA_DETOUT and
BIASOUT.
CBTL05023 is powered by a 3.3 V supply and it is available in 3 mm × 3 mm HVQFN24
package with 0.4 mm pitch.
2. Features and benefits
2.1 AUX MUX 2 : 1 switch
This 2 : 1 switch is controlled by CA_DET signal multiplexing of the 1 Mbit/s
differential AUX and DDC (Direct Display Control) signals
When CA_DET is HIGH, DDC path is selected
Differential AUX channel:
Low insertion loss: −0.5 dB at 5 MHz
Low return loss: −19 dB at 5 MHz
Low ON-state resistance: 7.5 Ω
Bandwidth: 5 GHz
Low off-state isolation: −75 dB at 5 MHz
Low crosstalk: −40 dB at 5 MHz
Common-mode input voltage VIC: 0 V to 3.3 V
Differential input voltage VID: 1.4 V (maximum)
DDC channel has DDC_CLK and DDC_DAT I2C signals
100 kHz 3.3 V voltage swing
Both AUXIO+ and AUXIO− outputs have 900 Ω (±20 %) pull-down resistor that is
enabled by the status of the BIASOUT output pin
These pull-down resistors provide DC bias for the 10 Gbit/s channel
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet CBTL05023.PDF ] | |
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