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TUSB542 bảng dữ liệu(PDF) 6 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  TUSB542 USB Type-CTM 5Gbps Redriver 2:1 MUX
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TUSB542 bảng dữ liệu(HTML) 6 Page - Texas Instruments

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5.7 Electrical Characteristics, Dynamic
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Differential Receiver
V(RX-DC-CM)
RX DC common mode voltage
0
2
V
R(RX-CM-DC)
Receiver DC common mode
impedance
Measured at connector. Present when
SuperSpeed USB device detected on TX
pins.
18
30
Ω
R(RX-DIFF-DC)
Receiver DC differential impedance
Measured at connector. Present when
SuperSpeed USB device detected on TX
pins.
72
120
Ω
Z(RX-HIGH-IMP-DC-POS)
DC input CM input impedance when
termination is disabled.
Measured at connector. Present when no
SuperSpeed USB device detected on TX
pins or while VCC is ramping.
25
kΩ
V(RX-LFPS-DET-DIFF-P-P)
LFPS Detect threshold. Below min is
noise.
Measured at connector. Below min is
squelched.
0.1
0.3
V
V(RX-CM-AC-P)
Peak RX AC common mode voltage Measured at package pin.
150
mV
C(RX-PARASITIC)
Rx Input capacitance for return loss
At package pin to AC GND.
1.1
pF
Differential Transmitter
V(TX-DIFF-PP)
Differential peak-to-peak TX voltage
swing
OS Low, 0dB DE
0.9
V
OS High, 0dB DE
1.1
V
V(TX-DIFF- PP-LFPS)
LFPS differential voltage swing
OS Low, High
0.8
1.2
V
V(TX-DE- RATIO)
Transmitter de-emphasis
Low
0
dB
Mid
3.5
dB
High
6
dB
V(TX-RCV-DETECT)
The amount of voltage change
allowed during Receiver Detection.
0.6
V
V(TX-DC-CM)
TX DC common mode voltage
The instantaneous allowed DC common-
mode voltage at connector side of AC
coupling capacitor.
0
2
V
V(TX-IDLE-DIFF-AC-PP)
AC Electrical Idle differential peak-to-
peak output voltage
At package pin.
0
10
mV
V(TX-IDLE-DIFF_DC)
DC Electrical Idle differential output
voltage
At package pin. After low pass filter to
remove AC component.
0
10
nV
V(TX-CM-DC-ACTIVE-IDLE-
DELTA)
Absolute DC common mode voltage
between U1 and U0.
At package pin.
0.2
V
I(TX-SHORT)
TX short-circuit current limit
60
mA
R(TX-DC)
TX DC common mode impedance
At package pins
18
30
Ω
R(TX-DIFF-DC)
TX DC differential impedance
72
120
Ω
C(TX-PARASTIC)
TX input capacitance for return loss
At package pins to AC GND
1.25
pF
T(jitter)
Total Residual Jitter (peak to peak)
12
ps
5.8 Electrical Characteristics, AC
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Xtalk
Differential Cross talk between TX and RX
Signal Pairs
at 2.5 GHz, TX to RX
–45
dB
TUSB542
SLLSER3F – DECEMBER 2015 – REVISED DECEMBER 2023
www.ti.com
6
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Product Folder Links: TUSB542



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