5

TMUX154E

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SCDS379 – FEBRUARY 2018

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Copyright © 2018, Texas Instruments Incorporated

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.4 Thermal Information

THERMAL METRIC(1)

TMUX154E

UNIT

DGS (VSSOP)

RSW (UQFN)

10 PINS

10 PINS

RθJA

Junction-to-ambient thermal resistance

203.1

114.5

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

88.7

64.7

°C/W

RθJB

Junction-to-board thermal resistance

123.0

21.0

°C/W

ψJT

Junction-to-top characterization parameter

21.2

1.9

°C/W

ψJB

Junction-to-board characterization parameter

121.6

21.0

°C/W

(1)

VI, VO, II, and IO refer to data I/O pins A, B, An, and Bn.

(2)

All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.

(3)

For I/O ports, the parameter IOZ includes the input leakage current.

(4)

This is the increase in supply current for each digital control input that is supplied with a voltage other than VCC or GND.

(5)

Measured by the voltage drop between the A and B terminals at the indicated current through the switch. ON-state resistance is

determined by the lower of the voltages of the two (A or B) terminals.

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

(1)

PARAMETER

TEST CONDITIONS

MIN TYP(2)

MAX

UNIT

ISEL , IEN

Control inputs

VCC = 4.3 V, 0 V, VSEL,VEN = 0 to 4.3 V

±1

μA

IOZ

OFF-state leakage current(3)

VCC = 4.3 V, VO = 0 to 3.6 V, VI = 0,

Switch OFF

±1

μA

IOFF

Powered off leakage current

VCC = 0 V, VAn,Bn = 0 V, VA,B = 0 V to 4.3

V,

VSEL , VEN = VCC or GND

±2

μA

ICC

Supply current

VCC = 4.3 V, II/O = 0,

Switch ON or OFF

1

μA

ΔICC

(4)

Difference of supply current due to control

input voltage not VCC or GND

VCC = 4.3 V, VSELVEN = 2.6 V

10

μA

CSEL,

CEN

Control inputs digital input capacitance

VCC = 0 V,

VSELVEN = VCC or GND

1

pF

CI/O(OFF)

OFF-state input capacitance

VCC = 3.3 V, VI/O = 3.3 V or 0,

Switch OFF

2

pF

CI/O(ON)

ON-state input capacitance

VCC = 3.3 V, VI/O = 3.3 V or 0,

Switch ON

7.5

pF

RON

ON-state resistance(5)

VCC = 3 V, VI = 0.4, IO = –8 mA

6

10

Ω

ΔRON

ON-state resistance match between channels

VCC = 3 V, VI = 0.4, IO = –8 mA

0.35

Ω

ron(flat)

ON-state resistance flatness

VCC = 3 V, VI = 0 V or 1 V, IO = –8 mA

2

Ω