通信接口解决方案：TI-HD3SS3212.pdf产品手册详解
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The TI-HD3SS3212 is a high-speed signal switch meant for use in various applications requiring the switching of high-speed differential signal lines. This device, detailed in the TI-HD3SS3212.pdf, offers 3:1 differential switch capability and is compatible with various high-speed data interfaces such as HDMI, DisplayPort, and USB 3.1.
The device features a total of 12 differential channels, with 4 inputs and 8 outputs, all controlled via a simple SEL pin selection process. Its compact 3mm x 3mm QFN package makes it suitable for space-constrained applications, ensuring flexibility in design layout while maintaining high performance.
Additionally, the TI-HD3SS3212.pdf provides detailed information on the pin configuration, input and output characteristics, and electrical specifications of the device. This allows designers to easily integrate the switch into their systems and optimize its performance to meet specific requirements.
Overall, the TI-HD3SS3212.pdf serves as a comprehensive guide for engineers looking to incorporate high-speed signal switching capabilities into their designs. Its compact size, versatility, and high-performance features make it an ideal choice for a wide range of applications requiring reliable signal switching capabilities.
HD3SS3212
,
HD3SS3212I
www.ti.com.cn
ZHCSDQ7 –MAY 2015
8.5 Electrical Characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
CC
Device active current V
CC
= 3.3 V, OEn = 0 0.6 0.8 mA
I
STDN
Device shutdown current V
CC
= 3.3 V, OEn = V
CC
5 20 µA
C
ON
Output ON capacitance 0.6 pF
C
OFF
Output OFF capacitance 0.8 pF
R
ON
Output ON resistance V
CC
= 3.3 V; V
CM
= 0 to 2 V; IO = –8 5 8 Ω
mA
ΔR
ON
On-resistance match between pairs of the V
CC
= 3.3 V; –0.35 V ≤ V
IN
≤ 2.35 V; 0.5 Ω
same channel IO = –8 mA
R
FLAT_ON
On-resistance flatness RON(MAX) – V
CC
= 3.3 V; –0.35 V ≤ V
IN
≤ 2.35 V 1 Ω
RON(MAIN)
I
IH,CTRL
Input high current, control pins (SEL, OEn) 1 µA
I
IL,CTRL
Input low current, control pins (SEL, OEn) 1 µA
I
IH,HS
Input high current, high-speed pins V
IN
= 2 V for selected port, A and B 1 µA
[Ax/Bx/Cx][p/n] with SEL = 0, and A and C with SEL
= V
CC
I
IH,HS
Input high current, high-speed pins V
IN
= 2 V for non-selected port, C 100 140 µA
[Ax/Bx/Cx][p/n] with SEL = 0, and B with SEL =
V
CC
(1)
I
IL,HS
Input low current, high-speed pins 1 µA
[Ax/Bx/Cx][p/n]
(1) There is a 20-kΩ pull-down in non-selected port.
8.6 High-Speed Performance Parameters
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ƒ = 0.3 MHz –0.5
f = 0.625 MHz -0.55
I
L
Differential insertion loss ƒ = 2.5 GHz –0.8 dB
ƒ = 4 GHz –1.4
ƒ = 5 GHz –1.6
BW –3-dB bandwidth 8 GHz
ƒ = 0.3 MHz –25
ƒ = 2.5 GHz –13
R
L
Differential return loss dB
ƒ = 4 GHz –13
ƒ = 5 GHz – 12
ƒ = 0.3 MHz –75
ƒ = 2.5 GHz –23
O
IRR
Differential OFF isolation dB
ƒ = 4 GHz –19
ƒ = 5 GHz –19
ƒ = 0.3 MHz –90
ƒ = 2.5 GHz –35
X
TALK
Differential crosstalk dB
ƒ = 4 GHz –32.5
ƒ = 5 GHz –32
Copyright © 2015, Texas Instruments Incorporated 5
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