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SGM2268
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 (0.4) and fast switching speeds. SGM2268 features guaranteed on-resistance matching (0.04 TYP) between switches and guaranteed onresistance flatness over the signal range (0.08 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 (NC) switches. This configuration can be used as a dual 2-to-1 multiplexer. SGM2268 is available in Pb-free WQFN-10 package.
0.4 Ultra Low ON-Resistance, Dual, SPDT Analog Switch
FEATURES
- - - - - - - - - - - Voltage Operation : +1.8V to +4.2V Ultra Low On-Resistance: 0.4 (TYP) at +4.2V On-Resistance Matching : 0.04 (TYP) On-Resistance Flatness: 0.08 (TYP)
-3 dB Bandwidth: 40MHz
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: -40C to +85C - Lead (Pb) Free WQFN-10 Package
PIN CONFIGURATIONTOP VIEW
APPLICATIONS
Portable Instrumentation Battery-Operated Equipment Computer Peripherals Speaker and Earphone Switching Medical Equipment Audio and Video Switching
FUNCTION TABLE
LOGIC 0 1 NO OFF ON NC ON OFF
Switches Shown For Logic "0" Input
SG Microelectronics Co, Ltd Tel: 86/10/51798160/80 www.sg-micro.com
REV. A
ELECTRICAL CHARACTERISTICS
(V+ = +4.2V, GND = 0V, VIH = +1.6V, VIL = +0.6V, TA = - 40C to + 85C. Typical values are at V+ = +4.2V, TA = + 25C, unless otherwise noted.) PARAMETER ANALOG SWITCH Analog Signal Range On-Resistance On-Resistance Match Between Channels On-Resistance Flatness Source OFF Leakage current Channel ON Leakage current DIGITAL INPUTS Input High Voltage Input Low Voltage Input Leakage Current DYNAMIC CHARACTERISTICS Turn-On Time tON VIN = 2.1 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 = 2.1 V, Test Circuit2 VIN = 2.1 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 = 2.1 V, Test Circuit2 VIN = 2.1 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 = 2.1 V, Test Circuit3 VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit4 VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit5 100KHz 1MHz 100KHz 1MHz +25C 88 ns VINH VINL IIN V+ = 4.2 V, VIN = 0 V or 4.2 V - 40C to +85C - 40C to +85C - 40C to +85C 1.6 0.5 1 V V A VNO, VNC, VCOM RON RON RFLAT(ON) INC(OFF), INO(OFF) INC(ON), INO(ON), ICOM(ON) V+ = 4.2 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 4.2 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 4.2 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 4.2 V, VNO or VNC = 3.3 V/ 0.3 V, VCOM = 0.3 V/ 3.3 V V+ = 4.2 V, VCOM = 0.3 V/ 3.3 V, VNO or VNC = 0.3 V/ 3.3 V, or floating - 40C to +85C +25C - 40C to +85C +25C - 40C to +85C +25C - 40C to +85C - 40C to +85C - 40C to +85C 0 0.4 V+ 0.65 0.75 0.04 0.15 0.2 0.08 0.12 0.2 1 1 V A A SYMBOL CONDITIONS TEMP MIN TPY MAX UNITS
Turn-Off Time Break-Before-Make Time Delay Off Isolation Channel-to-Channel Crosstalk Bandwidth -3 dB Charge Injection Select Input to Common I/O Channel ON Capacitance POWER REQUIREMENTS Power Supply Range Power Supply Current
tOFF
+25C
16
ns
tD
+25C +25C +25C +25C +25C +25C +25C +25C - 40C to +85C 1.8
6.0 -78 -58 -103 -90 40.0 4.0 106 4.2 1
ns dB dB dB dB MHz pC pF V A
OISO XTALK BW Q CON V+ I+
VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit6 VNO1 or VNC1 = VNO2 or VNC2 = 0 V, CL = 1.0 nF, Test Circuit7
V+ = 4.2 V, VIN = 0 V or V+
- 40C to +85C
Specifications subject to change without notice.
2
SGM2268
ELECTRICAL CHARACTERISTICS
(V+ = +2.7V to +3.6V, GND = 0V, VIH = +1.6V, VIL = +0.4V, TA = - 40C to + 85C. Typical values are at V+ = +3.0V, TA = + 25C, unless otherwise noted.) PARAMETER ANALOG SWITCH Analog Signal Range On-Resistance On-Resistance Match Between Channels On-Resistance Flatness Source OFF Leakage current Channel ON Leakage current DIGITAL INPUTS Input High Voltage Input Low Voltage Input Leakage Current DYNAMIC CHARACTERISTICS Turn-On Time tON VIN =1.5 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 = 1.5 V, Test Circuit2 VIN = 1.5 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 = 1.5 V, Test Circuit2 VIN = 1.5 V to 0 V, RL = 50 , CL = 35 pF, VNO1 or VNC1 = VNO2 or VNC2 =1.5 V, Test Circuit3 VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit4 VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit5 100KHz 1MHz 100KHz 1MHz +25C 100 ns VINH VINL IIN V+ = 2.7 V, VIN = 0 V or 2.7 V - 40C to +85C - 40C to +85C - 40C to +85C 1.5 0.4 1 V V A VNO, VNC, VCOM RON RON RFLAT(ON) INC(OFF), INO(OFF) INC(ON), INO(ON), ICOM(ON) V+ = 2.7 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 2.7 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 2.7 V, VNO, VNC or VCOM = 1 V, ICOM = -100 mA, Test Circuit 1 V+ = 3.6 V, VNO or VNC = 3.3 V / 0.3 V, VCOM = 0.3 V/ 3.3 V V+ = 3.6 V, VCOM = 0.3 V/ 3.3 V, VNO or VNC = 0.3 V/ 3.3 V, or floating - 40C to +85C +25C - 40C to +85C +25C - 40C to +85C +25C - 40C to +85C - 40C to +85C - 40C to +85C 0.1 0 0.5 V+ 0.7 0.8 0.03 0.15 0.2 0.18 0.2 1 1 V A A SYMBOL CONDITIONS TEMP MIN TPY MAX UNITS
Turn-Off Time Break-Before-Make Time Delay Off Isolation Channel-to-Channel Crosstalk Bandwidth -3 dB Charge Injection Select Input to Common I/O Channel ON Capacitance
tOFF
+25C
20
ns
tD
+25C +25C +25C +25C +25C +25C +25C +25C
9.2 -78 -58 -103 -90 40 3.0 106
ns dB dB dB dB MHz pC pF
OISO XTALK BW Q CON
VBIAS = 2.1 V, VIN = 0 dBm, Test Circuit6 VNO1 or VNC1 = VNO2 or VNC2 =0 V, CL=1.0nF Test Circuit7
Specifications subject to change without notice.
3
SGM2268
ORDERING INFORMATION
MODEL SGM2268 PINPACKAGE WQFN-10 SPECIFIED TEMPERATURE RANGE - 40C to +85C ORDERING NUMBER SGM2268YWQ10/TR PACKAGE MARKING 2268 PACKAGE OPTION Tape and Reel, 3000
ABSOLUTE MAXIMUM RATINGS
V+ , IN to GND...............................................................0V to +4.6V Analog, Digital voltage range(1).................. - 0.3V to (V+ + 0.3V) Continuous Current NO, NC, or COM...........................250mA Peak Current NO, NC, or COM........................................350mA Operating Temperature Range..............................- 40C to +85C Junction Temperature............................................................+150C Storage Temperature.............................................- 65C to +150C Lead Temperature (soldering, 10s)..................................... +260C ESD Susceptibility HBM...........................................................................................4000V MM...............................................................................................400V
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. (1) Signals on NC, NO, or COM or IN exceeding V+ will be clamped by internal diodes. Limit forward diode current to maximum current ratings.
PIN DESCRIPTION
WQFN-10 9 4 7,6 8,5 1,3 10,2 NAME V+ GND IN1, IN2 COM1, COM2 NO1, NO2 NC1, NC2 FUNCTION Power supply Ground Digital control pin to connect the COM terminal to the NO or NC terminals Common terminal Normally-open terminal Normally-closed terminal
Note: NO, NC and COM terminal may be an input or output.
4
SGM2268
TYPICAL PERFORMANCE CHARACTERISTICS
On Response vs.Frequency 3 V+ = +4.2V TA = +25 0 On Response(dB)
On Response vs.Frequency 3 V+ = +3V TA = +25 0 On Response(dB)
-3
-3
-6
-6
-9 0.1 1 10 Frequency(MHz) 100 1000
-9 0.1 1 10 Frequency(MHz) 100 1000
Response vs.Frequency 20 0 -20 On Response(dB) -40 -60 -80 -100 -120 -140 0.01 V+ = +4.2V TA = +25 0.1 1 10 Frequency(MHz) 100 1000 CROSSTALK
Response vs.Frequency 20 0 -20 On Response(dB)
OFF-ISOLATION
-40 -60 -80 -100 -120 -140 0.01
OFF-ISOLATION
CROSSTALK V+ = +3V TA = +25 0.1 1 10 Frequency(MHz) 100 1000
5
SGM2268
TEST CIRCUITS
100mA V1 NO or NC VNO or VNC RON = V1/100mA
COM
Test Circuit 1. On Resistance
V+
NC NO COM RL 50 GND CL 35pF VOUT
V+ 50% VOH 50%
0.1 F IN
90%
90%
VOL tON tOFF
Test Circuit 2. Switching Times (tON, tOFF)
Test Circuit 3. Break-Before-Make Time (tD)
6
SGM2268
TEST CIRCUITS (Cont.)
V+ 0.1F
V+ NO or NC Source Signal COM CL 5pF GND VOUT
IN
Test Circuit 4. Off Isolation
Test Circuit 5. Channel-to-Channel Crosstalk
7
SGM2268
TEST CIRCUITS (Cont.)
Test Circuit 6. Bandwidth -3dB
Test Circuit 7. Charge Injection (Q)
8
SGM2268
PACKAGE OUTLINE DIMENSIONS
WQFN-10
1.800 0.050 0.400 0.050 (x9)
0.400 TYP
PIN #1 IDENTIFICATION CHAMFER 0.350x45
1.400 0.050
2268
TOP VIEW
0.5000.050 0.2000.050
0.800 REF
PIN #1 DOT BY MARKING
BOTTOM VIEW
0.7500.050
0.203 REF 0.000-0.050
SIDE VIEW
Note: All linear dimensions are in millimeters.
9
SGM2268
REVISION HISTORY
Location
10/2007--Preliminary Datasheet 01/2008--Data Sheet REV.A
Page
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
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SGM2268

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