Texas Instruments TPS65982 User Manual

7.12 Port Data Multiplexer Switching Characteristics (continued)
Recommended operating conditions; T
A
= –10 to 85°C unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LSX_R2P/P2R MULTIPLEXER PATH
(1)
LSX_RON On resistance of LSX_P2R/R2P to C_SBU1/2
V
i
= 3.3 V, I
O
= 20 mA 8.5 17
Ω
V
i
= 1 V, I
O
= 20 mA 5.5 11
LSX_ROND
On resistance difference between P and N paths of LSX
path
V
i
= 1 V to 3.3 V, I
O
= 20 mA –0.3 0.3 Ω
LSX_TON Switch on time from enable of LSX path
Time from enable bit with charge
pump off
150
μs
Time from enable bit at charge
pump steady state
10
LSX_TOFF Switch off time from disable of LSX path
Time from disable bit at charge
pump steady state
500 ns
LSX_BW 3dB bandwidth of LSX path C
L
= 10 pF 200 MHz
AUX MULTIPLEXER PATH
(1)
AUX_RON On resistance of AUX_P/N to C_SBU1/2
V
i
= 3.3 V, I
O
= 20 mA 3.5 7
Ω
V
i
= 1 V, I
O
= 20 mA 2.5 5
AUX_ROND
On resistance difference between P and N paths of
AUX_P/N to C_SBU1/2
V
i
= 1 V to 3.3 V, I
O
= 20 mA –0.25 0.25 Ω
AUX_TON Switch on time from enable of AUX_P/N to C_SBU1/2
Time from enable bit with charge
pump off
150
μs
Time from enable bit at charge
pump steady state
15
AUX_TOFF Switch off time from disable of AUX_P/N to C_SBU1/2
Time from disable bit at charge
pump steady state
500 ns
AUX_BW 3dB bandwidth of AUX_P/N to C_SBU1/2 path C
L
= 10 pF 200 MHz
UART MULTIPLEXER PATH (2
nd
STAGE ONLY)
(1) (2)
UART_RON
On resistance of UART buffers to C_USB_TP/TN/BP/BN or
C_SBU1/2
V
i
= 3.3 V, I
O
= 20 mA 3.1 12 Ω
UART_TON
Switch on time from enable of UART buffer
C_USB_TP/TN/BP/BN or C_SBU1/2 path
Time from enable bit with charge
pump off
150
µs
Time from enable bit at charge
pump steady state
10
UART_TOFF Switch off time from disable of UART buffer path
Time from disable bit at charge
pump steady state
500 ns
UART_BW 3dB bandwidth of UART buffer path C
L
= 10 pF 200 MHz
USB_RP MULTIPLEXER PATH
(1) (3)
USB_RON On resistance of USB_RP to C_USB_TP/TN/BP/BN
V
i
= 3 V, I
O
= 20 mA 4.5 10
Ω
V
i
= 400 mV, I
O
= 20 mA 3 7
USB_ROND
On resistance difference between P and N paths of
USB_RP to C_USB_TP/TN/BP/BN
V
i
= 0.4 V to 3 V, I
O
= 20 mA –0.15 0.15 Ω
USB_TON Switch on time from enable of USB USB_RP path
Time from enable bit with charge
pump off
150
µs
Time from enable bit at charge
pump steady state
15
USB_TOFF Switch off time from disable of USB_RP path
Time from disable bit at charge
pump steady state
500 ns
USB_BW 3dB bandwidth of USB_RP path C
L
= 10 pF 850 MHz
USB_ISO Off Isolation of USB_RP path
R
L
= 50 Ω, V
I
= 800 mV, f = 240
MHz
–19 dB
USB_XTLK Channel to Channel crosstalk of USB_RP path R
L
= 50 Ω, f = 240 MHz –26 dB
C_SBU1/2 OUTPUT
R_SBU_OPEN Resistance of the open C_SBU1/2 paths V
i
= 0 V to LDO_3V3 1 MΩ
R_USB_OPEN Resistance of the open C_USB_T/B/P/N paths V
i
= 0 V to LDO_3V3 1 MΩ
(1) All RON specified maximums are the maximum of either of the switches in a pair. All ROND specified maximums are the maximum
difference between the two switches in a pair. ROND does not add to RON.
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TPS65982
SLVSD02E – MARCH 2015 – REVISED AUGUST 2021
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Texas Instruments TPS65982 Specifications

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Brand	Texas Instruments
Model	TPS65982
Category	Motherboard
Language	English