SGM2268 Shengbang Microelectronics, SGM2268 Datasheet

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SGM2268

Manufacturer Part Number
SGM2268
Description
SPDT Analog Switch
Manufacturer
Shengbang Microelectronics
Datasheet

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SGM2268YWQ10/TR
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GENERAL DESCRIPTION
The SGM2268 is a dual single-pole/double-throw
(SPDT) analog switch that designed to operate from a
single +1.8V to +4.2V power supply. Targeted
applications include battery powered equipment that
benefit from ultra low ON-resistance (0.4Ω) and fast
switching speeds.
SGM2268 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 SGM2268 is a committed dual single-pole/double
-throw (SPDT) that consist of two normally open (NO)
and
configuration can be used as a dual 2-to-1 multiplexer.
SGM2268 is available in Pb-free WQFN-10 package.
APPLICATIONS
Portable Instrumentation
Battery-Operated Equipment
Computer Peripherals
Speaker and Earphone Switching
Medical Equipment
Audio and Video Switching
FUNCTION TABLE
Switches Shown For Logic “0” Input
SGM2268
LOGIC
0
1
two
SG Microelectronics Co, Ltd
Tel: 86/10/51798160/80
www.sg-micro.com
normally
OFF
NO
ON
close
OFF
(NC)
ON
NC
switches.
This
0.4Ω Ultra Low ON-Resistance,
FEATURES
− Voltage Operation : +1.8V to +4.2V
− Ultra Low On-Resistance: 0.4Ω (TYP) at +4.2V
− On-Resistance Matching : 0.04Ω (TYP)
− On-Resistance Flatness: 0.08Ω (TYP)
− High Off-Isolation: -78dB at 100KHz
− Low Crosstalk: -103dB at 100KHz
− Rail-to-Rail Input and Output Operation
− TTL/CMOS Compatible
− Break-Before-Make Switching
− Extended Industrial Temperature Range:
− Lead (Pb) Free WQFN-10 Package
PIN CONFIGURATION(TOP VIEW)
Dual, SPDT Analog Switch
-3 dB Bandwidth: 40MHz
–40°C to +85°C
REV. A

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SGM2268 Summary of contents

Page 1

... TYP), as well as high Off-Isolation and low crosstalk. This ensures excellent linearity and low distortion when switching audio signals. The SGM2268 is a committed dual single-pole/double -throw (SPDT) that consist of two normally open (NO) and two normally close configuration can be used as a dual 2-to-1 multiplexer ...

Page 2

... L = 2.1 V, +25°C NC2 = 35 pF 2.1 V, +25°C NC2 100KHz +25°C 1MHz +25°C 100KHz +25°C 1MHz +25°C +25° NC2 +25°C +25°C - 40°C to +85°C 1.8 - 40°C to +85°C + SGM2268 0.4 0.65 Ω 0.75 Ω 0.04 0.15 Ω 0.2 Ω 0.08 0.12 Ω 0.2 Ω 1 µA 1 µ µ ...

Page 3

... L = 1.5 V, +25°C NC2 = 35 pF 1.5 V, +25°C NC2 = 35 pF, L =1.5 V, +25°C NC2 100KHz +25°C 1MHz +25°C 100KHz +25°C 1MHz +25°C +25° =1.0nF NC2 L +25°C +25°C SGM2268 = + 25°C, unless 0.5 0.7 Ω 0.8 Ω 0.03 0.15 Ω 0.2 Ω 0.1 0.18 Ω 0.2 Ω 1 µA 1 µ µA 100 ...

Page 4

... Lead Temperature (soldering, 10s)..................................... +260°C + ESD Susceptibility HBM...........................................................................................4000V MM...............................................................................................400V Power supply + Ground Digital control pin to connect the COM terminal to the terminals Common terminal Normally-open terminal Normally-closed terminal 4 PACKAGE PACKAGE MARKING OPTION 2268 Tape and Reel, 3000 FUNCTION SGM2268 ...

Page 5

... Frequency(MHz +4. +25℃ A 100 1000 CROSSTALK -100 V = +4.2V + -120 T = +25℃ A -140 10 100 1000 5 On Response vs.Frequency + +25℃ 0 100 Frequency(MHz) Response vs.Frequency 20 0 -20 -40 OFF-ISOLATION -60 -80 CROSSTALK +25℃ A 0.01 0 100 Frequency(MHz) SGM2268 1000 1000 ...

Page 6

... NO 0.1μ 100mA V1/100mA ON Test Circuit 1. On Resistance COM V OUT 35pF 50Ω GND Test Circuit 2. Switching Times (t Test Circuit 3. Break-Before-Make Time (t 6 COM V + 50% 50% 90% 90 OFF OFF ) D SGM2268 ...

Page 7

... TEST CIRCUITS (Cont.) www.DataSheet4U.com V + 0.1µ COM Source IN Signal GND Test Circuit 4. Off Isolation Test Circuit 5. Channel-to-Channel Crosstalk 7 V OUT C L 5pF SGM2268 ...

Page 8

... TEST CIRCUITS (Cont.) www.DataSheet4U.com Test Circuit 6. Bandwidth -3dB Test Circuit 7. Charge Injection (Q) 8 SGM2268 ...

Page 9

... WQFN-10 www.DataSheet4U.com PIN #1 DOT BY MARKING Note: All linear dimensions are in millimeters. 1.800 ±0.050 0.400 ±0.050 (×9) 2268 TOP VIEW 9 PIN #1 IDENTIFICATION 0.400 TYP CHAMFER 0.350×45° 0.800 REF 0.200±0.050 BOTTOM VIEW 0.203 REF SIDE VIEW SGM2268 ...

Page 10

... REVISION HISTORY Location 10/2007—Preliminary Datasheet 01/2008—Data Sheet REV.A www.DataSheet4U.com SG Microelectronics Co., Ltd A2608, NO.72 North Road Xisanhuan, Haidian District, Beijing, China 100037 Tel: 86-10-51798160/80 Fax: 86-10-51798180-803 www.sg-micro.com 10 Page SGM2268 ...

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