MAXIM MAX4647, MAX4648 Technical data

General Description

The MAX4647/MAX4648 are dual-supply single-pole/sin­gle-throw (SPST) switches. On-resistance is 25Ω max and

flat (2Ω max) over the specified signal range. Each switch
can handle rail-to-rail analog signals. Off-leakage current

is only 1nA max at +25°C. They conduct analog or digital
signals equally well in either direction. The primary appli­cation areas are in the switching and routing of signals in
telecommunications and test equipment.

The MAX4647/MAX4648 are single SPST analog switches.
The MAX4647 has one normally closed (NC) switch, and
the MAX4648 has one normally open (NO) switch. These
devices operate from a single +9V to +36V supply or from
dual ±4.5V to ±20V supplies. The MAX4647/MAX4648 are
available in tiny 6-pin SOT23 packages.

________________________Applications

PBX, PABX Systems

Communication Systems

DSL

Test Equipment

Avionics

Audio Systems

Redundant Systems

Relay Replacement

PC Multimedia Boards

____________________________Features

♦ Low On-Resistance 25Ω max (±15V Supplies)

♦ Guaranteed R

ON

Flatness Over Specified Signal

Range (2Ω max)

♦ V

L

Logic Supply Not Required

♦ Rail-to-Rail Signal Handling

♦ ±15V and Single 12V Supply Operation

♦ Low Leakage (1nA max)

♦ Fast Switching Speeds

t

ON

= 100ns

t

OFF

= 100ns

MAX4647/MAX4648

25Ω SPST Analog Switches in SOT23-6

________________________________________________________________ Maxim Integrated Products 1

V-

GNDIN

16COM

5 V+

NC

MAX4647

SOT23-6

TOP VIEW

2

34

LOGIC

SWITCH

0
1

ON

OFF

LOGIC

SWITCH

0
1

OFF

ON

V-

GNDIN

16COM

5 V+

NO

MAX4648

SOT23-6

2

34

Pin Configurations/Functional Diagrams/Truth Tables

19-1880; Rev 1; 1/07

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

PART

TEMP

RANGE

PIN-

TOP

PKG

CODE

MAX4647EUT-T+

U 6S N - 1

MAX4648EUT-T+

U 6S N - 1

Ordering Information

+Denotes a lead-free package.

PACKAGE

-40°C to +85°C 6 SOT23 AARV

-40°C to +85°C 6 SOT23 AARW

MARK

MAX4647/MAX4648

25Ω SPST Analog Switches in SOT23-6

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS—Dual ±15V Supplies

(V+ = +15V, V- = -15V, VIH= 2.4V, VIL= 0.8V, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +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, +44.0V

V- ............................................................................-44.0V, +0.3V

V+ to V-................................................................-0.3V to +44.0V

All Other Pins (Note 1)...............................V- - 0.3V to V+ + 0.3V

Continuous Current into Any Terminal..............................±60mA

Peak Current into Any Terminal

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

Continuous Power Dissipation (T

A

= +70°C)

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

Operating Temperature Ranges

MAX464_EUT..................................................-40°C to +85°C

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

Junction Temperature......................................................+150°C

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

PARAMETER

SYMBOL

CONDITIONS T

A

MIN

TYP

MAX

UNITS

ANALOG SWITCH

Analog Signal Range

V

COM

V- V+ V

+25°C1825

On-Resistance R

ON

I

COM

= 10mA; V

NO

or V

NC

= ±10V

T

MIN

to T

MAX

30

Ω

+25°C 0.8 2

On-Resistance
Flatness (Note 4)

)

I

COM

= 10mA; V

NO

or V

NC

= +5V, 0, -5V

T

MIN

to T

MAX

3

Ω

+25°C-1

1

NO or NC Off-Leakage

Current

)

V

NO

or V

NC

= +14V, -14V;

V

COM

= -14V, +14V

T

MIN

to T

MAX

10

nA

+25°C-1

1

COM Off-Leakage
Current

)

V

COM

= -14V, +14V;

V

NO

or V

NC

= +14V, -14V

T

MIN

to T

MAX

10

nA

+25°C-2 2

COM On-Leakage
Current

)

V

COM

= +14V, -14V;

V

NO

or V

NC

= +14V, -14V or

floating

T

MIN

to T

MAX

20

nA

LOGIC INPUT

Input Logic High V

IH

T

MIN

to T

MAX

V

Input Logic Low V

IL

T

MIN

to T

MAX

0.8 V

Input Leakage Current

I

IN

V

IN

= 0 or +5V T

MIN

to T

MAX

-1 1 µA

DYNAMIC CHARACTERISTICS

+25°C68

Turn-On Time t

ON

VNO or V

NC

= ±10V; RL = 300Ω;

C

L

= 35pF; Figure 2

T

MIN

to T

MAX

ns

+25°C62

Turn-Off Time t

OFF

VNO or V

NC

= ±10V; R

L

=300Ω;

C

L

= 35pF; Figure 2

T

MIN

to T

MAX

ns

Charge Injection Q

COM

= 0; RS = 0; CL = 1nF;

Figure 3

+25°C4pC

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

maximum current rating.

VNO,VNC,

R

FLAT(ON

I

NO(OFF)

I

NC(OFF

I

COM(OFF

I

COM(ON

or

0.01

-10

0.01

-10

-20

2.4

100

125

100

125

MAX4647/MAX4648

25Ω SPST Analog Switches in SOT23-6

________________________________________________________________________________________ 3

MAX4647/MAX4648

PARAMETER

CONDITIONS T

A

TYP

UNITS

Off-Isolation V

ISO

CL = 5pF; RL = 50Ω; f = 1MHz;

V

COM

= 1V

RMS

; Figure 4

+25°C -92 dB

Total Harmonic
Distortion

THD

RL = 600Ω, 5Vp-p,
f = 20Hz to 20kHz

+25°C

%

V

NO

or V

NC

Off-Capacitance

C

NO(OFF)

,

)

f = 1MHz; Figure 5 +25°C6pF

COM Off-Capacitance

)

f = 1MHz; Figure 5 +25°C6pF

COM On-Capacitance

)

f = 1MHz; Figure 6 +25°C19pF

POWER SUPPLY

Power Supply Range T

MIN

to T

MAX

V

+25°C45

VIN = 5V

T

MIN

to T

MAX

+25°C

1

Positive Supply Current

I+

V

IN

= 0 or V+

T

MIN

to T

MAX

10

µA

+25°C

1

Negative Supply
Current

I- V

IN

= 0 or 5V

T

MIN

to T

MAX

10

µA

ELECTRICAL CHARACTERISTICS—Dual ±15V Supplies (continued)

(V+ = +15V, V- = -15V, VIH= 2.4V, VIL= 0.8V, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.

(Notes 2, 3)

ELECTRICAL CHARACTERISTICS—Single +12V Supply

(V+ = +12V, V- = 0, V

IH

= 2.4V, VIL= 0.8V, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

(Notes 2, 3)

PARAMETER

SYMBOL

CONDITIONS T

A

MIN

TYP

MAX

UNITS

ANALOG SWITCH

Analog Signal Range

VNO, VNC,

V

COM

0V+V

+25°C3645

On-Resistance R

ON

I

COM

= 10mA; V

NO

or VNC = +10V

T

MIN

to T

MAX

60

Ω

+25°C46

On-Resistance
Flatness (Note 4)

)

I

COM

= 10mA; V

NO

or V

NC

= +2V, +6V, +10V

T

MIN

to T

MAX

8

Ω

DYNAMIC

+25°C

Turn-On Time t

ON

V

N O

or V

N C

= + 10V ; RL = 300Ω;

C

L

= 35p F; Fi g ur e 2

T

MIN

to T

MAX

ns

+25°C68

Turn-Off Time t

OFF

V

N O

or V

N C

= + 10V ; RL = 300Ω;

C

L

= 35p F; Fi g ur e 2

T

MIN

to T

MAX

ns

Charge Injection Q

COM

= 0; RS = 0; CL = 1nF;

Figure 3

+25°C-5pC

SYMBOL

C

NC(OFF

C

COM(OFF

C

COM(ON

MIN

MAX

0.006

±4.5 ±20

100

150

0.001

0.001

R

FLAT(ON

100 175

225

150

200