MAXIM MAX4762, MAX4764, MAX4764A, MAX4765 Technical data

General Description

The MAX4762–MAX4764/MAX4764A/MAX4765 dual
SPDT (single-pole/double-throw) switches feature nega­tive signal capability that allows signals below ground to
pass through without distortion. These analog switches
operate from a single +1.8V to +5.5V supply and have
low 0.6Ω on-resistance, making them ideal for switching
audio signals.

The MAX4763/MAX4765 include a comparator that can
be used for headphone detection or a mute/send key
function. The MAX4764/MAX4764A/MAX4765 have an
internal shunt switch to automatically discharge any
capacitance at the NO and NC connection points. This
reduces click-and-pop sounds that occur when switching
audio signals between precharged points.

These SPDT switches are available in space-saving
µMAX®, TDFN, thin QFN, and UCSP™packages and
operate over the -40°C to +85°C extended tempera­ture range.

Applications

Cell Phones

PDAs and Handheld Devices

Notebook Computers

MP3 Players

Features

♦ Distortion-Free Negative Signal Throughput Down

to VCC- 5.5V

♦ Comparator for Headphone or Mute Detection

(MAX4763/MAX4765)

♦ Internal Shunt Resistor Reduces Click/Pop

(MAX4764/MAX4764A/MAX4765)

♦ Low On-Resistance (R

ON

)

0.6Ω at +2.7V Supply

♦ 0.25Ω On-Resistance Flatness

♦ 0.05Ω On-Resistance Matching

♦ +1.8V to +5.5V Supply Voltage

♦ -70dB Crosstalk (100kHz)

♦ -65dB Off-Isolation (100kHz)

♦ 0.01% Total Harmonic Distortion

♦ Available in µMAX, TDFN, Thin QFN, and UCSP

Packages

MAX4762–MAX4764/MAX4764A/MAX4765

Low-Voltage, Dual SPDT, Audio Clickless

Switches with Negative Rail Capability

________________________________________________________________ Maxim Integrated Products 1

NC1NC2

IN1IN2

NO1

COM1COM2

NO2 V

CC

GND

TOP VIEW

IN_

0

1

NO_

MAX4762–MAX4764/
MAX4764A/MAX4765

OFF

ON

NC_

ON

SWITCHES SHOWN FOR LOGIC "0" INPUT

OFF

UCSP

MAX4762/MAX4764

C1

C2

C3

C4 B4 A4

A3

A2

A1B1

UCSP

MAX4763/MAX4765

C1

C2

C3

C4 B4 A4

A3

A2

A1B1

(BUMP SIDE DOWN)

B2

B3

NO2 V

CC

NO1

COM2 COM1

NC1CMP-NC2

IN2 GND IN1

CMPO

Pin Configurations/Functional Diagrams/Truth Table

Ordering Information

19-3152; Rev 2; 1/06

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

Pin Configurations/Functional Diagrams/Truth Table continued at end of data sheet.

PART

TEMP RANGE

PIN­PACKAGE

TOP

MARK

MAX4762ETB

10 TDFN

ACG

MAX4762EUB

10 µMAX —

MAX4762EBC-T

12 UCSP-12

ABU

Ordering Information continued at end of data sheet.

Selector Guide appears at end of data sheet.

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

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

MAX4762–MAX4764/MAX4764A/MAX4765

Low-Voltage, Dual SPDT, Audio Clickless
Switches with Negative Rail Capability

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC= +2.7V to +5.5V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C, unless otherwise
noted.) (Note 1)

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.

(All voltages referenced to GND.)
V

CC

, IN_, CMP-......................................................-0.3V to +6.0V

COM_, NO_, NC_ ...............................(V

CC

- 6V) to (VCC+ 0.3V)

CMPO .........................................................-0.3V to (V

CC

+ 0.3V)

Closed-Switch Continuous Current COM_, NO_, NC_......±150mA

Open-Switch Continuous Current NO_, NC_

(MAX4764/MAX4764A/MAX4765) ................................±30mA

Peak Current COM_, NO_, NC_

(pulsed at 1ms, 50% duty cycle)................................±300mA

Peak Current COM_, NO_, NC_

(pulsed at 1ms, 10% duty cycle)................................±400mA

Continuous Power Dissipation (T

A

= +70°C)

10-Pin TDFN (derate 24.4mW/°C above +70°C) .......1951mW

10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

12-Bump UCSP (MAX4762/MAX4764)

(derate 5.6mW/°C above +70°C).............................449mW

12-Bump UCSP (MAX4763/MAX4765)

(derate 6.5mW/°C above +70°C).............................519mW

12-Pin Thin QFN (derate 16.9mW/°C above +70°C) ....1349mW

ESD Method 3015.7 .............................................................±2kV

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

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

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

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

Bump Temperature (soldering)

Infrared (15s) ...............................................................+220°C

Vapor Phase (60s) .......................................................+215°C

PARAMETER

CONDITIONS

UNITS

ANALOG SWITCH

Analog Signal Range
(Note 2)

V

NO_

,

V

NC_

,

VCC -

5.5

V

0.6

On-Resistance
(Notes 3 and 4)

),

)

VCC = 2.7V; V

NC_

or V

NO_

=

V

CC

- 5.5V, -1V, 0V, 1V, 2V, VCC;

I

COM_

= 100mA

T

A

= T

MIN

to T

MAX

Ω

0.1

On-Resistance Match
Between Channels
(Notes 3, 4, and 5)

∆R

ON

VCC = 2.7V, V

NC_

or V

NO_

= 0V,

I

COM

= 100mA

T

A

= T

MIN

to T

MAX

Ω

0.4

On-Resistance Flatness
(Notes 4 and 6)

)

VCC = 2.7V; V

NC_

or VNC =

-1V, 0V, 1V, 2V, V

CC

;

I

COM_

= 100mA

T

A

= T

MIN

to T

MAX

Ω

Shunt Switch Resistance R

SH

I

NO_

or I

NC_

= 10mA, VCC = 2.7V

T

A

= T

MIN

to T

MAX

25 50 Ω

-2 +2

NO_, NC_
Off-Leakage Current
(Notes 8 and 9)

),

)

MAX4762/MAX4763 only (Note 7),
V

CC

= 2.7V, switch open;

V

NC_

or V

NO_

= -2.5V, +2.5V;

V

COM_

= +2.5V, -2.5V

TA = T

MIN

to T

MAX

-10

nA

-6 +6

COM_ On-Leakage Current
(Notes 8 and 9)

)

VCC = 2.7V, switch closed;
V

NC_

or V

NO_

= -2.5V, +2.5V, or

floating; V

COM_

= -2.5V, +2.5V, or

floating

T

A

= T

MIN

to T

MAX

-50

nA

SYMBOL

MIN TYP MAX

V

COM_

TA = +25°C

R

ON(NC

R

ON(NO

TA = +25°C 0.05

R

FLAT(NC

I

NO_(OFF

I

NC_(OFF

I

COM_(ON

MAX4764/MAX4764A/MAX4765 only,

TA = +25°C 0.25

TA = +25°C

TA = +25°C

V

CC

0.85

0.95

0.15

0.45

+10

+50

MAX4762–MAX4764/MAX4764A/MAX4765

Low-Voltage, Dual SPDT, Audio Clickless

Switches with Negative Rail Capability

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(VCC= +2.7V to +5.5V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C, unless otherwise
noted.) (Note 1)

PARAMETER

CONDITIONS

UNITS

DYNAMIC CHARACTERISTICS

TA = +25°C 25 80

80

Turn-On Time t

ON

VCC = 2.7V, VNO = 1.5V; for
NO_, V

IN_

= 0V to VCC; for

NC_, V

IN_

= VCC to 0V; RL =

300Ω, C

L

= 35pF, Figure 2

T

A

= T

MIN

to T

MAX

(MAX4764A)

500

ns

TA = +25°C 20 70

70

Turn-Off Time t

OFF

VCC = 2.7V, VNC = 1.5V; for
NO_, V

IN_

= VCC to 0V; for

NC_, V

IN_

= 0V to VCC; RL =

300Ω, C

L

= 35pF, Figure 2

T

A

= T

MIN

to T

MAX

(MAX4764A)

500

ns

Break-Before-Make
Time Delay

t

D

VCC = 2.7V, VN_ = 1.5V, for
NO_, V

IN_

= VCC to 0V; for

NC_, V

IN_

= 0V to VCC; RL =

300Ω, C

L

= 35pF, Figure 3

T

A

= +25°C 1 7 ns

Charge Injection Q V

COM_

= 0V, CL = 1.0nF, Figure 4

pC

Off-Isolation (Note 10) V

ISO

f = 100kHz, V

COM_

= 1V

RMS

, RL = 50Ω, CL = 5pF,

Figure 5

-65 dB

Crosstalk V

CT

f = 100kHz, V

COM_

= 1V

RMS

, RL = 50Ω, CL = 5pF,

Figure 5

-70 dB

Power-Supply Rejection
Ratio

PSRR f = 10kHz, V

COM_

= 1V

RMS

, RL = 50Ω, CL = 5pF 60 dB

On-Channel -3dB
Bandwidth

BW Signal = 0dBm, R

L

= 50Ω, CL = 5pF, Figure 5 27

MHz

Total Harmonic Distortion THD

f = 20Hz to 20kHz, V

COM_

= 0.5V

P-P

, DC Bias = 0,

R

L

= 32Ω

%

NO_, NC_ Off-Capacitance

)

)

50 pF

COM On-Capacitance

)

pF

DIGITAL I/O (IN_)

VCC = 2.7V to 3.6V 1.4

VCC = 4.2V to 5.5V 2.0Input-Logic High Voltage V

IH

VCC = 2.7V to 5.5V (MAX4764A only) 1.6

V

VCC = 2.7V to 3.6V 0.5

VCC = 4.2V to 5.5V 0.8Input-Logic Low Voltage V

IL

VCC = 2.7V to 5.5V (MAX4764A only) 0.5

V

Input Leakage Current I

IN

V

IN_

= 0V or V

CC

-1 +1 µA

COMPARATOR (MAX4763/MAX4765)

Comparator Threshold

V

SYMBOL

C

NO_(OFF

C

NC_(OFF

C

COM_(ON

f = 1MHz, V

f = 1MHz, V

MIN TYP MAX

TA = T

MIN

to T

MAX

225

TA = T

MIN

to T

MAX

225

150

= 0.5V

COM_

= 0.5V

COM_

, DC Bias = 0, Figure 6

P-P

, DC Bias = 0, Figure 6 200

P-P

0.01

VCC / 3

MAX4762–MAX4764/MAX4764A/MAX4765

Low-Voltage, Dual SPDT, Audio Clickless
Switches with Negative Rail Capability

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VCC= +2.7V to +5.5V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C, unless otherwise
noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Comparator Output High
Voltage

I

SOURCE

= 1mA

V

CC

­V

Comparator Output Low
Voltage

I

SINK

= 1mA

V

Comparator Input Leakage
Current

V

CMP-

= 0 to 2.7V

nA

Comparator Switching Time

VCC = 2.7V, V

CMP-

= 0V to VCC,

from 50% of V

CMP-

to 50% of V

CMPO

12µs

POWER SUPPLY

Power-Supply Range V

CC

1.8 5.5 V

510

VCC = 5.5V, V

IN_

= 0V or

V

CC

MAX4762/MAX4764/
MAX4764A

1

VCC = 5.5V, V

IN_

= 1.8V MAX4764A 5 10

Supply Current I+

V

CC

= 4.2V, V

IN_

= 1.8V

(Note 11)

MAX4764A 2 5

µA

Note 1: UCSP and TDFN parts are 100% tested at TA= +25°C only, and guaranteed by design over the specified temperature range.

Thin QFN parts are 100% tested at T

A

= +85°C only, and guaranteed by design over the specified temperature range.

Note 2: Signals on COM_, NO_, or NC_ exceeding V

CC

are clamped by internal diodes. Limit forward-diode current to maximum

current rating.

Note 3: Thin QFN and UCSP are guaranteed by design; not production tested.
Note 4: I

COM

for UCSP is 10mA.

Note 5: ∆R

ON

= R

ON(MAX)

- R

ON(MIN).

Note 6: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the

specified analog signal ranges.

Note 7: MAX4764/MAX4764A/MAX4765 have an internal shunt switch when in off-state, which determines OFF current.
Note 8: Leakage parameters are 100% tested at maximum-rated hot operating temperature and guaranteed by design at T

A

= +25°C.

Note 9: UCSP parts are guaranteed by design.
Note 10: Off-isolation = 20log

10(VCOM

/ VNO), V

COM

= output, VNO= input to off switch.

Note 11: Guaranteed by design, not production tested.

0.4V

0.4V

-100 +100

MAX4763/MAX4765

0.01

MAX4762–MAX4764/MAX4764A/MAX4765

Low-Voltage, Dual SPDT, Audio Clickless

Switches with Negative Rail Capability

_______________________________________________________________________________________ 5

ON-RESISTANCE vs. COM VOLTAGE

MAX4762 toc01

COM VOLTAGE (V)

ON-RESISTANCE (Ω)

43210-1-2-3

1

2

3

4

5

6

0

-4 5

VCC = 1.8V

VCC = 2.0V

VCC = 2.3V

V+ = 2.5V

V+ = 3.0V

V+ = 5.0V

ON-RESISTANCE vs. COM VOLTAGE

MAX4762 toc02

COM VOLTAGE (V)

ON-RESISTANCE (Ω)

43210

0.2

0.4

0.6

0.8

1.0

1.2

0

-1 5

VCC = 5.0V

TA = +85°C

TA = +25°C

TA = -40°C

ON-RESISTANCE vs. COM VOLTAGE

MAX4762 toc03

COM VOLTAGE (V)

ON-RESISTANCE (Ω)

210-1-2

0.2

0.4

0.6

0.8

1.0

1.2

0

-3 3

VCC = 3.0V

TA = +85°C

TA = +25°C

TA = -40°C

MAX4762/MAX4764/MAX4764A

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX4762 toc04

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (nA)

5.34.84.33.83.32.82.3

20

40

60

80

100

0

1.8

MAX4763/MAX4765

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX4762 toc05

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (nA)

5.34.84.33.83.32.82.31.8

1

2

3

4

5

6

0

MAX4762–MAX4765

TURN-ON/TURN-OFF TIME

vs. SUPPLY VOLTAGE

MAX4762 toc06

SUPPLY VOLTAGE (V)

t

ON

/t

OFF

(ns)

5.34.84.33.83.32.82.31.8

10

20

30

40

50

60

70

0

t

ON

t

OFF

MAX4762–MAX4765

TURN-ON/TURN-OFF TIME

vs. TEMPERATURE

MAX4762 toc07

TEMPERATURE (°C)

t

ON

/t

OFF

(ns)

603510-15

10

20

30

40

0

-40 85

t

ON

t

OFF

V

CC

= 3.0V

MAX4762–MAX4765

LOGIC THRESHOLD vs. SUPPLY VOLTAGE

MAX4762 toc08

SUPPLY VOLTAGE (V)

LOGIC THRESHOLD (V)

5.34.84.33.83.32.82.3

0.4

0.8

1.2

1.6

2.0

0

1.8

VIN RISING

VIN FALLING

-200

-100

100

0

200

300

-3 -1 0-2 12345

CHARGE INJECTION

vs. V

COM

MAX4762 toc09

V

COM

(V)

CHARGE INJECTION (pC)

CL = 1nF

VCC = 5.0V

VCC = 2.0V

Typical Operating Characteristics

(VCC= 3.0V, TA = +25°C, unless otherwise noted.)