UM2268 QFN10 1.8×1.4 UM2268A QFN10 2.1×1 Configurations Top View (Top View) 2 1 3 4 5 6 7 8 9 10...

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http://www.union-ic.com Rev.10 Apr.2016 1/11

UM2268/UM2268A

0.4Ω Ultra Low ON-Resistance, Dual, SPDT Analog Switch

UM2268 QFN10 1.8×1.4

UM2268A QFN10 2.1×1.6

General Description The UM2268/UM2268A is a dual, low-power single-pole/ double-throw (SPDT) analog switch that

operates from a single +1.8V to +4.4V supply.

The UM2268/UM2268A features guaranteed on-resistance matching (0.04Ω TYP) between

switches and guaranteed on resistance flatness over the signal range (0.08Ω TYP), as well as high

off-isolation and low crosstalk. This ensures excellent linearity and low distortion when switching

audio signals.

The UM2268 is available in Pb-free QFN10 package (1.8mm×1.4mm×0.55mm), while the

UM2268A is available in Pb-free QFN10 package (2.1mm×1.6mm×0.55mm).

Applications

Features

Portable Instrumentation

Battery-Operated Equipment

Computer Peripherals

Speaker and Earphone Switching

Medical Equipment

Audio and Video Switching

VCC Operating Range: +1.8V to +4.4V

Low On-Resistance: 0.4Ω (TYP) @ +4.4V

On-Resistance Matching: 0.04Ω (TYP)

On-Resistance Flatness: 0.08Ω (TYP)

-3dB Bandwidth: 80MHz

Low Off-Isolation: -78dB (100kHz)

Low Crosstalk: -93dB (100kHz)

TTL/CMOS Compatible

Break-Before-Make Switching

Rail-to-Rail Input and Output Operation

Lead (Pb)-Free QFN10 Package

Pin Configurations Top View

(Top View)

12

3

4

5

6 7

8

9

10

NC2 NO1

NC1

V+

COM1

IN1IN2

COM2

GND

NO2

AE M

M: Month Code

UM2268

QFN10 1.8×1.4

(Top View) NO2 NC2 NO1 NC1

GND

COM2 IN2 IN1 COM1

VCC

1234

5

6 7 8 9

10

AL M

M: Month Code

UM2268A

QFN10 2.1×1.6

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UM2268/UM2268A

Ordering Information

Part Number Packaging Type Marking Code Shipping Qty

UM2268 QFN10 1.8×1.4 AE 3000pcs/7 Inch

Tape & Reel UM2268A QFN10 2.1×1.6 AL

Pin Description

Pin Number Pin Name Function

UM2268 UM2268A

1, 3 2, 4 NO1, NO2 Normally-Open Terminal

10, 2 1, 3 NC1, NC2 Normally-Closed Terminal

4 5 GND Ground

8, 5 9, 6 COM1, COM2 Common Terminal

7, 6 8, 7 IN1, IN2 Digital Control Pin to Connect the COM Terminal to

the NO or NC Terminals

9 10 V+ Power Supply

Function Table

LOGIC NO NC

0 OFF ON

1 ON OFF

Absolute Maximum Ratings

Symbol Parameter Limit Unit

V+ Supply Voltage 0 to +4.6

V VIS Analog Switch Input Voltage -0.3 to (VCC+0.3)

VIN Digital Select Input Voltage 0 to +4.6

ID Continuous DC Current 250 mA

IP Peak Current 350 mA

TO Operating Temperature Range -40 to +85 °C

TSTG Storage Temperature Range -65 to +150

ESD HBM 4000 V

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UM2268/UM2268A

Electrical Characteristics V+=+4.4V, GND=0V, TA=-40°C to +85°C. Unless otherwise noted.

Symbol Parameter Test Conditions Vcc

(V) Temp

Limits (–40°C to 85°C)

Unit

Min Typ

(Note 1) Max

V+ Power Supply

Range Full 1.8 4.4 V

ICC Quiescent Supply

Current VIN=V+ or 0 4.4 Full 1.0 μA

IIN Input Leakage

Current VIN=0V/4.4V 4.4 Full 1.0 μA

IOFF Power Off Leakage

Current

VNO/VNC=3.3V/0.3V,

VCOM=0.3V/3.3V 4.4 Full 1.0 μA

ION Channel ON

Leakage Current

VCOM=0.3V/3.3V

VNO or VNC=0.3V/3.3V, or

Floating

4.4 Full 1.0 μA

RON On-Resistance

(Note 2)

VNO,VNC or VCOM=1.0V,

ICOM=-100mA 4.4

Room

Full

0.4

0.75

0.85 Ω

ΔRON

On Resistance Match Between

Channels (Note 2, 3, 4)


ICOM=-100mA 4.4

Room

Full

0.04

0.15

0.20 Ω

RFLAT

On Resistance

Flatness

(Note 2, 3, 5)

VNO,VNC or VCOM=1.0V, 2.5V ICOM=-100mA

4.4 Room Full

0.08

0.12 0.20

Ω

VIH Input High Voltage 4.4 Full 2.0 V

VIL Input Low Voltage 4.4 Full 0.5 V

tON Turn On Time

VIN=2.1V to 0V, RL=50Ω, CL=35pF,

VNO1 or VNC1=VNO2 or

VNC2=2.1V, Test Circuit 1

4.4 Room 88 ns

tOFF Turn Off Time

VIN=2.1V to 0V,

RL=50Ω, CL=35pF,

VNO1 or VNC1=VNO2 or VNC2=2.1V, Test Circuit 1

4.4 Room 16 ns

tBBM Break Before Make

Time

(Note 6)

VIN=2.1V to 0V,

RL=50Ω, CL=35pF, VNO1 or VNC1=VNO2 or


4.4 Room 6 ns

OIRR Off Isolation

(Note 7)

VBIAS=2.1V,

Signal=0dBm,

Test Circuit 3

100kHz 4.4

Room -78 dB

1MHz Room -58 dB

XTALK Crosstalk

VBIAS=2.1V,

Signal=0dBm, Test Circuit 4

100kHz 4.4

Room -93 dB

1MHz Room -90 dB

BW -3dB Bandwidth VBIAS=2.1V, Signal=0dBm,

Test Circuit 5 4.4 Room 80 MHz

Q

Charge Injection

Select Input to

Common I/O

VG=0V, RS=0Ω, CL=1.0nF, Test Circuit 6

4.4 Room 4.0 pC

CON HSD+ HSD- ON

Capacitance

(Note 8)

4.4 Room 56 pF

Note 1: Typically values are at V+=4.4V and TA=+25°C. Note 2: Guaranteed by design. Resistance measurements do not include test circuit or package resistance.

Note 3: Parameter is characterized but not tested in production.

Note 4: ΔRON=︱RON (NO1/NC1) – RON(NO2/NC2)︱measured at identical VCC, temperature and voltage levels.

Note 5: Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of

conditions. Note 6: Guaranteed by design.

Note 7: Off Isolation=20 log10 [VCOM/VNO/NC].

Note 8: TA=+25°C, f=1MHz, Capacitance is characterized but not tested in production.

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UM2268/UM2268A

Electrical Characteristics V+=+2.7V to +3.6V, TA=-40°C to +85°C. Unless otherwise noted.

Symbol Parameter Test Conditions Vcc

(V) Temp

Limits (–40°C to 85 °C)

Unit

Min Typ

(Note 1) Max

VNO, VNC,

VCOM

Analog Signal

Range Full 0 V+ V

IIN Input Leakage

Current VIN=0V/2.7V 2.7 Full 1.0 μA

IOFF Power Off Leakage

Current

VNO/VNC=3.3V/0.3V,

VCOM=0.3V/3.3V 3.6 Full 1.0 μA

ION Channel ON

Leakage Current

VCOM=0.3V/3.3V

VNO or VNC=0.3V/3.3V, or Floating

3.6 Full 1.0 μA

RON On-Resistance

(Note 2)


ICOM=-100mA 2.7

Room

Full

0.75

1.10

1.20 Ω

ΔRON

On Resistance

Match Between Channels

(Note 2, 3, 4)

VNO,VNC or VCOM=1.0V, ICOM=-100mA

2.7 Room Full

0.03

0.15 0.20

Ω

RFLAT

On Resistance

Flatness (Note 2, 3, 5)

VNO,VNC or VCOM=1.0V, 2.5V

ICOM=-100mA 2.7

Room

Full

0.10

0.18

0.20 Ω

VIH Input High Voltage 3.0 Full 1.5 V

VIL Input Low Voltage 3.0 Full 0.4 V

tON Turn On Time

VIN=1.5V to 0V,

RL=50Ω, CL=35pF, VNO1 or VNC1=VNO2 or


3.0 Room 100 ns

tOFF Turn Off Time

VIN=1.5V to 0V,

RL=50Ω, CL=35pF,



3.0 Room 20 ns

tBBM

Break Before Make

Time (Note 6)

VIN=1.5V to 0V, RL=50Ω, CL=35pF,



3.0 Room 9.2 ns

OIRR Off Isolation

(Note 7)

VBIAS=2.1V,

Signal=0dBm,

Test Circuit 3

100kHz

3.0

Room -78 dB

1MHz Room -58 dB

XTALK Crosstalk VBIAS=2.1V,

Signal=0dBm,

Test Circuit 4

100kHz

3.0

Room -93 dB

1MHz Room -90 dB

BW -3dB Bandwidth VBIAS=2.1V, Signal=0dBm,

Test Circuit 5 3.0 Room 80 MHz

Q

Charge Injection

Select Input to

Common I/O

VG=0V, RS=0Ω,

CL=1.0nF, Test Circuit 6 3.0 Room 3.0 pC

CON

HSD+ HSD- ON

Capacitance (Note 8)

3.0 Room 56 pF

Note 1: TA=+25°C.

Note 2: Guaranteed by design. Resistance measurements do not include test circuit or package resistance. Note 3: Parameter is characterized but not tested in production.

Note 4: ΔRON=︱RON (NO1/NC1) – RON(NO2/NC2)︱measured at identical VCC, temperature and voltage levels.

Note 5: Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of conditions.

Note 6: Guaranteed by design. Note 7: Off Isolation=20 log10 [VCOM/VNO/NC].

Note 8: TA=+25°C, f=1 MHz, Capacitance is characterized but not tested in production.

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UM2268/UM2268A

Typical Operating Characteristics (TA=+25°C. Unless otherwise noted. )

0.0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5

RD

SO

N(Ω)

VCOM (V)

NC RDSON

VCC=1.8V

VCC=2.7V

VCC=3.6V

VCC=4.2V

VCC=4.4V

0.0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5R

DS

ON

(Ω)

VCOM (V)

NO RDSON

VCC=1.8V

VCC=2.7V

VCC=3.6V

VCC=4.2V

VCC=4.4V

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.6 1.2 1.8 2.4 3 3.6

RO

N(Ω)

VCOM (V)

NC RON vs. VCOM (Temp)

VCC=3.6V,-40℃

VCC=3.6V,25℃

VCC=3.6V,85℃

0. 0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.6 1.2 1.8 2.4 3 3.6

RO

N(Ω)

VCOM (V)

NO RON vs. VCOM (Temp)

VCC=3.6V,-40℃

VCC=3.6V,25℃

VCC=3.6V,85℃

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5

RO

N(Ω)

VCOM (V)


VCC=4.2V,-40℃

VCC=4.2V,25℃

VCC=4.2V,85℃

0 . 0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5

RO

N(Ω)

VCOM (V)


VCC=4.2V,-40℃

VCC=4.2V,25℃

VCC=4.2V,85℃

NC RDSON NO RDSON


NO RON vs. VCOM (Temp) NC RON vs. VCOM (Temp)


VCC=1.8V VCC=2.7V VCC=3.6V VCC=4.2V VCC=4.4V

VCC=1.8V VCC=2.7V VCC=3.6V VCC=4.2V VCC=4.4V

VCC=3.6V, -40°C VCC=3.6V, 25°C VCC=3.6V, 85°C




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UM2268/UM2268A

Typical Operating Characteristics (Continued) (TA=+25°C. Unless otherwise noted. )

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5

RO

N(Ω)

VCOM (V)


VCC=4.4V,-40℃

VCC=4.4V,25℃

VCC=4.4V,85℃

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5

RO

N(Ω)

VCOM (V)


VCC=4.4V,-40℃

VCC=4.4V,25℃

VCC=4.4V,85℃

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

1.5 2 2.5 3 3.5 4 4.5

Lo

gic

Th

resh

old

(V

)

Supply Voltage (V)

Logic Threshold vs. Supply Voltage

VTH+

VTH-

NC RON vs. VCOM (Temp) NO RON vs. VCOM (Temp)

Logic Threshold vs. Supply Voltage Bandwidth

Crosstalk Off Isolation



VTH+ VTH-

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UM2268/UM2268A

Test Circuits

NC

NO

RS IN

GND

COM

CL RL

GND

VOUT

VOL

VOH

GND

V+

INPUT-IN

OUTPUT-VOUT

90%90%

90% 90%

10% 10%

VCC/2 VCC/2

tON tOFF

tRISE=2.5ns tFALL=2.5ns

V+

Test Circuit 1. Switching Timing (tON, tOFF)

COM

CL* RL

VOUT

VCC

VCCNC

NO

V+

Control

Input

IN

GND

V+

0V

VOUT

50%

tBBM

0.9*VOUT

Control

Inputtr=tf=2.5ns(10-90%)

CL* includes fixture and stray capacitance

Test Circuit 2. Break-Before-Make Timing

Vsel

GND

GND

GND

GND

GND

GND

RT

RS

VS

VOUT

VIN

RT

Network Analyzer

Off-isolation=20Log(VOUT/VIN)

COM

NO/NC

IN=0V/VCC

Test Circuit 3. Off-Isolation

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UM2268/UM2268A

Vsel

GND

GND

GND

GND

GND

RS

VS

VOUT

VIN

RT

Network Analyzer

GND

RT

RS and RT are functions of the application

environment (50, 75 or 100)

Crosstalk=20Log(VOUT/VIN)

NC/NO

NC/NO

IN=0V/VCC

Test Circuit 4. Channel-to-Channel Crosstalk

Vsel

GND

GND

GND

GND

GND

RS

VS

VOUT

VIN

RT

Network Analyzer

COM

NC/NO

IN=0V/VCC

Test Circuit 5. Bandwidth

CL*

GND

Vsel

GND

GND

VSRS

VIN NC/NO

IN

CL* includes fixture and stray capacitance

Generator

VOUT

VCC

0V

Off On Off

VOUT

Input-Vsel

ΔVOUT

Q=ΔVOUT*CL

COM

Test Circuit 6. Charge Injection Test

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UM2268/UM2268A

Package Information

UM2268 QFN10 1.8×1.4 Outline Drawing

D

E

b L1

Le

A1

A

A3

Top View Bottom View

Side View

Pin #1 ID

DIMENSIONS

Symbol MILLIMETERS INCHES

Min Typ Max Min Typ Max

A 0.50 0.55 0.60 0.020 0.022 0.024

A1 0.00 - 0.05 0.000 - 0.002

A3 0.15REF 0.006REF

b 0.15 0.20 0.25 0.006 0.008 0.010

D 1.35 1.40 1.45 0.053 0.055 0.057

E 1.75 1.80 1.85 0.069 0.071 0.073

e 0.40BSC 0.016BSC

L 0.30 0.40 0.50 0.012 0.016 0.020

L1 0.40 0.50 0.60 0.016 0.020 0.024

Land Pattern

0.20

0.2

0

1

0.20

0.4

0

0.6

0

0.80

1.40

1.8

0

2.2

0

1.80

NOTES:

1. Compound dimension: 1.80×1.40;

2. Unit: mm

3. General tolerance ±0.05mm unless otherwise

specified;

4. The layout is just for reference.

Tape and Reel Orientation

AE

M

________________________________________________________________________


UM2268/UM2268A

UM2268A QFN10 2.1×1.6 Outline Drawing

Top View

D

E

PIN 1 DOT

BY MARKING

e b

L

0.20

Bottom ViewL

1

PIN 1 IDENTIFICATION

CHAMFER

A3

A1

A

Side View

DIMENSIONS

Symbol MILLIMETERS INCHES

Min Typ Max Min Typ Max

A 0.50 0.55 0.60 0.020 0.022 0.024

A1 0.00 - 0.05 0.000 - 0.002

A3 0.15REF 0.006REF

b 0.15 0.20 0.25 0.006 0.008 0.010

D 2.05 2.10 2.15 0.081 0.083 0.085

E 1.55 1.60 1.65 0.061 0.063 0.065

e 0.50BSC 0.020BSC

L 0.35 0.40 0.45 0.014 0.016 0.018

L1 0.40 0.45 0.50 0.016 0.018 0.020

Land Pattern

0.500.25

0.6

5

9×

0.6

50

.20

1

2.50

2.10

1.6

0

2.0

0

0.20

NOTES:

1. Compound dimension: 2.10×1.60;

2. Unit: mm;

3.General tolerance ±0.05mm unless otherwise

specified;

4. The layout is just for reference.

Tape and Reel Orientation

AL

M

________________________________________________________________________


UM2268/UM2268A

GREEN COMPLIANCE

Union Semiconductor is committed to environmental excellence in all aspects of its

operations including meeting or exceeding regulatory requirements with respect to the use

of hazardous substances. Numerous successful programs have been implemented to reduce

the use of hazardous substances and/or emissions.

All Union components are compliant with the RoHS directive, which helps to support

customers in their compliance with environmental directives. For more green compliance

information, please visit:

http://www.union-ic.com/index.aspx?cat_code=RoHSDeclaration

IMPORTANT NOTICE

The information in this document has been carefully reviewed and is believed to be accurate.

Nonetheless, this document is subject to change without notice. Union assumes no

responsibility for any inaccuracies that may be contained in this document, and makes no

commitment to update or to keep current the contained information, or to notify a person or

organization of any update. Union reserves the right to make changes, at any time, in order

to improve reliability, function or design and to attempt to supply the best product possible.

Union Semiconductor, Inc

Add: Unit 606, No.570 Shengxia Road, Shanghai 201210

Tel: 021-51093966

Fax: 021-51026018

Website: www.union-ic.com

http://www.union-ic.com/index.aspx?cat_code=RoHSDeclaration

UM2268 QFN10 1.8×1.4 UM2268A QFN10 2.1×1 Configurations Top View (Top View) 2 1 3 4 5 6 7 8 9 10...

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