MAXIM MAX4634 Technical data

General Description

The MAX4634 fast, low-voltage, 4-channel CMOS ana­log multiplexer features 4Ω (max) on-resistance (R

ON

).

It offers R

ON

matching between switches to 0.3Ω (max)

and R

ON

flatness of 1Ω (max) over the specified signal
range. Each switch can handle V+ to GND analog sig­nals. Off-leakage current is only 0.1nA (max) at +25°C.
The MAX4634 features fast turn-on (tON) and turn-off
(t

OFF

) times of 18ns and 11ns, respectively. All this

comes in the tiny 10-pin µMAX

®

and 10-pin, 3mm x

3mm, TDFN packages.

This low-voltage multiplexer operates from a +1.8V to
+5.5V single supply. All digital inputs have +0.8V and
+2.4V logic thresholds, ensuring TTL/CMOS-logic com­patibility with +5V operation.

________________________Applications

Battery-Operated Equipment

Audio and Video Signal Routing

Low-Voltage Data-Acquisition Systems

Sample-and-Hold Circuits

Communications Circuits

Features

♦ Guaranteed R

ON

2.5Ω (typ) with 5V Supply

4.5Ω (typ) with 3V Supply

♦ 0.3Ω (max) Guaranteed R

ON

Match Between

Channels

♦ 1Ω (max) Guaranteed R

ON

Flatness Over Signal

Range

♦ 0.1nA (at +25°C) Guaranteed Low Leakage

Currents

♦ +1.8V to +5.5V Single-Supply Operation

♦ +1.8V Operation

R

ON

= 30Ω (typ) Overtemperature

tON= 30ns (typ), t

OFF

= 13ns (typ)

♦ V+ to GND Signal Handling

♦ TTL/CMOS-Logic Compatible

♦ -78dB Crosstalk (at 1MHz)

♦ -80dB Off-Isolation (at 1MHz)

♦ 0.018% Total Harmonic Distortion

MAX4634

Fast, Low-Voltage, 4Ω,

4-Channel CMOS Analog Multiplexer

________________________________________________________________

Maxim Integrated Products

1

Pin Configurations/Functional Diagrams/Truth Table

19-1717; Rev 3; 2/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

Ordering Information

PART

TOP

MARK

MAX4634EUB

10 µMAX —

MAX4634ETB

10 TDFN-EP*
(3mm x 3mm)

AAU

*

EP = Exposed pad.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

TEMP RANGE PIN-PACKAGE

-40°C to +85°C

-40°C to +85°C

TOP VIEW

MAX4634EUB

ON SWITCH

A0

NO1

GND

LOGIC

1

2

3

4

5

µMAX

A1

10

NO2

9

COM

8

NO4NO3

7

V+EN

6

A1

X

0

0

1

1

X = DON'T CARE

EN

A0

X

0

1

0

1

NONE

0

11

21

31

41

NO1

GND

*EP = EXPOSED PAD

MAX4634ETB

A0

1

2

3

4

EN

5

LOGIC

*EP

TDFN

A1

10

NO2

9

COM

8

NO4NO3

7

V+

6

MAX4634

Fast, Low-Voltage, 4Ω,
4-Channel CMOS Analog Multiplexer

2 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—Single +5V Supply

(V+ = +4.5V to +5.5V, VIH= 2.4V, VIL= 0.8V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at V+ = +5V,
T

A

= +25°C.) (Notes 2, 3)

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.

(Voltages referenced to GND.)

V+ .............................................................................-0.3V to +6V

A_, EN, COM, NO_ (Note 1) .........................-0.3V to (V+ + 0.3V)

Continuous Current (all other pins) ..................................±20mA

Continuous Current (COM, NO_) .....................................±50mA

Peak Current (COM, NO_ pulsed at 1ms,

10% duty cycle) ........................................................±100mA

Continuous Power Dissipation (T

A

= +70°C)

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

10-Pin TDFN (derate 24.4mW/°C

above +70°C)............................................................1951mW

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

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

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

V+ = 4.5V,
I

COM

= 10mA,

V

NO_

= 0 to V+

V+ = 5.5V;
V

COM

= 1V, 4.5V;

V

NO_

= 1V, 4.5V,

or unconnected

V+ = 4.5V,
I

COM

= 10mA,

V

NO_

= 0 to V+

V+ = 4.5V,
I

COM

= 10mA,

V

NO_

= 0 to V+

CONDITIONS

nA-100 5 +100Input Logic Current

V0.8V

IL

Input Logic-Low

V2.4V

IH

Input Logic-High

Ω

2.5 4

R

ON

On-Resistance

V0V+

V

COM

,

V

NO_

Analog Signal Range

DIGITAL INPUTS

-0.65 +0.65

I

COM(ON)

nA

-0.1 ±0.01 +0.1

COM On-Leakage Current
(Note 7)

1.2

4.5

Ω

0.1 0.3

ΔR

ON

On-Resistance Match
Between Channels
(Notes 4, 5)

0.4

Ω

0.75 1

R

FLAT(ON)

On-Resistance Flatness
(Note 6)

UNITSMIN TYP MAXSYMBOLPARAMETER

Note 1: Signals on NO_, COM, EN, or A_ exceeding V+ or GND are clamped by internal diodes. Limit forward diode current to maxi-

mum current rating.

TA= +25°C

TA= T

MIN

to T

MAX

TA= +25°C

TA= T

MIN

to T

MAX

TA= +25°C

TA= T

MIN

to T

MAX

TA= +25°C

V+ = 5.5V;
V

COM

= 1V, 4.5V;

V

NO_

= 4.5V, 1V

-0.3 +0.3TA= T

MIN

to T

MAX

nA

-0.1 ±0.01 +0.1

I

NO_(OFF)

NO_ Off-Leakage
Current (Note 7)

TA= +25°C

V+ = 5.5V;
V

COM

= 1V, 4.5V;

V

NO_

= 4.5V, 1V

-0.65 +0.65TA= T

MIN

to T

MAX

nA

-0.1 ±0.01 +0.1

I

COM(OFF)

COM Off-Leakage Current
(Note 7)

TA= +25°C

TA= T

MIN

to T

MAX

ANALOG SWITCH

DIGITAL I/O (A_, EN)

ABSOLUTE MAXIMUM RATINGS

MAX4634

Fast, Low-Voltage, 4Ω,

4-Channel CMOS Analog Multiplexer

_______________________________________________________________________________________ 3

V

NO_

= 3V,
RL= 300Ω,
C

L

= 35pF, Figure 2

RL= 600Ω, f = 20Hz to 20kHz

CL= 5pF, RL= 50Ω,
Figure 5

TA= +25°C

V

NO_

= 3V,
R

L

= 300Ω,

CL= 35pF, Figure 2

TA= +25°C

V

NO_

= 3V,
RL= 300Ω,
CL= 35pF, Figure 3

V

GEN

= 2V, R

GEN

= 0, CL= 5pF, Figure 4

CONDITIONS

%0.018THDTotal Harmonic Distortion

dB

-80

V

ISO

Off-Isolation (Note 8)

pC2QCharge Injection

ns

14 18

t

ON

Turn-On Time (Note 7)

1

TA= T

MIN

to T

MAX

20

TA= +25°C

TA= T

MIN

to T

MAX

ns

611

t

OFF

Turn-Off Time (Note 7)

13

TA= T

MIN

to T

MAX

ns

8

t

BBM

Break-Before-Make Time
(Note 7)

UNITSMIN TYP MAXSYMBOLPARAMETER

V1.8 5.5V+Power-Supply Range

f = 1MHz

f = 10MHz

CL= 5pF, RL= 50Ω,
Figure 5

f = 1MHz

f = 10MHz

dB

-78

V

CT

Crosstalk (Note 9)

-57

-52

V+ = 2.7V,
I

COM

= 10mA,
V

NO_

= 0 to V+

TA= +25°C

V+ = 2.7V,
I

COM

= 10mA,
V

NO_

= 0 to V+

CONDITIONS

Ω

4.5 7

R

ON

On-Resistance

V0V+

V

COM

,

V

NO_

Analog Signal Range

TA= T

MIN

to T

MAX

8

TA= +25°C

TA= T

MIN

to T

MAX

Ω

0.1 0.3

ΔR

ON

0.4

UNITSMIN TYP MAXSYMBOLPARAMETER

ANALOG SWITCH

V+ = 5.5V, V

IH

= V+, VIL= 0 µA0.001 1.0I+Positive Supply Current

ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)

(V+ = +4.5V to +5.5V, VIH= 2.4V, VIL= 0.8V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at V+ = +5V,
T

A

= +25°C.) (Notes 2, 3)

ELECTRICAL CHARACTERISTICS—Single +3V Supply

(V+ = +2.7V to +3.3V, VIH= 2.0V, VIL= 0.4V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at V+ = +3V,
T

A

= +25°C.) (Notes 2, 3)

On-Resistance Match
Between Channels
(Notes 4, 5)

Figure 6 pF

52

C

NO_(OFF)

NO_ Off-Capacitance 13

pFFigure 6C

COM(OFF)

COM Off-Capacitance

68 pFCL= 5pF, Figure 6C

COM(ON)

COM On-Capacitance

DYNAMIC

POWER SUPPLY