MAX4645 datasheet(2/11 Pages) MAXIM

2 / 11 page

Fast, Low-Voltage, 2.5

Ω, SPST,

CMOS Analog Switches

_______________________________________________________________________________________

V+, VIN to GND ...........................................................-0.3 to +6V

COM, NO, NC to GND (Note 1)....................-0.3V to (V+ + 0.3V)

Continuous Current (any terminal)....................................±50mA

Peak Current COM, NO, NC

(pulsed at 1ms 10% duty cycle)................................±100mA

Continuous Power Dissipation (TA = +70°C)

5-Pin SOT23 (derate 7.1mW/°C above+70°C)............571mW

6-Pin SOT23 (derate 8.7mW/°C above +70°C)...........696mW

8-Pin µMAX (derate 4.1mW/°C above+70°C) .............330mW

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS—Single +5V Supply

(V+ = 4.5V to 5.5V, VIH = 2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise specified.) (Notes 2, 3)

Note 1: Signals on NO, NC, or COM, exceeding V+ or GND are clamped by internal diodes. Limit forward current to maximum current

rating.

TA = +25°C

Turn-Off Time (Note 5)

tOFF

810

TA = +25°C

VIN_ = 0.8V or 2.4V

-0.35

0.35

TA = TMIN to TMAX

TA = +25°C

0.6

TA = TMIN to TMAX

TA = +25°C

ICOM = 10mA,

VNO or VNC = 0 to V+,

V+ = 4.5V

-0.35

0.35

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

Turn-On Time (Note 5)

tON

VNO, VNC = 3V, RL = 300

Ω,

CL = 35pF, Figure 2

VNO, VNC = 3V, RL = 300

Ω,

CL = 35pF, Figure 2

Logic Input Current

IIN

-0.1

0.005

0.1

µA

Input Logic Low

VIL

0.8

TA = TMIN to TMAX

Input Logic High

VIH

2.4

TA = TMIN to TMAX

COM On-Leakage Current

(Notes 5, 6)

ICOM(ON)

-0.25

0.01

0.25

COM Off-Leakage Current

(Notes 5, 6)

ICOM(OFF)

-0.25

0.01

0.25

TA = TMIN to TMAX

TA = +25°C

-0.35

0.35

TA = TMIN to TMAX

TA = +25°C

Off-Leakage Current

(NO or NC) (Notes 5, 6)

INO(OFF),

INC(OFF)

-0.25

0.01

0.25

VCOM = 1V, 4.5V;

VNO or VNC = 4.5V, 1V;

V+ = 5.5V

On-Resistance Flatness

(Note 4)

RFLAT(ON)

0.1

0.4

Ω

ICOM = 10mA,

VNO or VNC = 0 to V+,

V+ = 4.5V

COM to NO or NC

On-Resistance

RON

1.5

2.5

Ω

TA = TMIN to TMAX

Input Voltage Range

VCOM,

VNO, VNC

0V+

VCOM = 1V, 4.5V;

VNO or VNC = 4.5V, 1V;

V+ = 5.5V

ANALOG SWITCH

SWITCH DYNAMIC CHARACTERISTICS

V+ = 5.5V; VCOM = 4.5V,

1V; VNO or VNC = 4.5V,

1V, or floating

LOGIC INPUT

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