STG3155 Low voltage 0.5Ω Max single SPDT switch with break-before-make feature Features ■ High speed: – tPD = 1.5ns (Typ.) at VCC = 3.0V – tPD = 1.5ns (Typ.) at VCC = 2.3V ■ Ultra low power dissipation: – ICC = 0.2µA (Max.) at TA = 85°C ■ Low "ON" resistance: – RON = 0.5Ω (TA = 25ºC) at VCC = 4.3V – RON = 0.6Ω (TA = 25ºC) at VCC = 3.0V – RON = 1.0Ω (TA = 25ºC) at VCC = 1.8V ■ Wide operating voltage range: – VCC (OPR) = 1.65V to 4.3V single supply ■ 4.3V Tolerant and 1.8V compatible threshold on digital control input at VCC = 2.3V to 3.0V ■ Latch-up performance exceeds 300mA (JESD 17) ■ ESD Performance (Analog Chan. Vs. GND): HMB >2kV (MIL STD 883 method 3015) DFN6L Description The STG3155 is a high-speed CMOS low voltage single analog S.P.D.T. (Single Pole Dual Throw) switch or 2:1 Multiplexer /Demultiplexer switch fabricated in silicon gate C2MOS technology. It is designed to operate from 1.65V to 4.3V, making this device ideal for portable applications. The device offers very low ON-Resistance (<0.5Ω) at VCC = 4.3V. The SEL inputs are provided to control the switch. The switch S1 is ON (they are connected to common Ports Dn) when the SEL input is held high and OFF (high impedance state exists between the two ports) when SEL is held low; the switch S2 is ON (it is connected to common Port D) when the SEL input is held low and OFF (high impedance state exists between the two ports) when SEL is held high. Additional key features are fast switching speed, break-before-make delay time and Ultra Low Power Consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Table 1. May 2007 Device summary Part number Package Packaging STG3155DTR DFN6L (1.45mm x 1mm) Tape and Reel Rev 2 1/18 www.st.com 18 Contents STG3155 Contents 1 Pin connections and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 DC Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 AC Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Analog switch characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.4 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 Typical application circuit 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/18 ................................... 9 STG3155 1 Pin connections and functions Pin connections and functions Figure 1. Table 2. Pin connections (top through view) SEL 1 6 S1 VCC 2 5 GND D 3 4 S2 Pin descriptions Pin Nº Symbol 6, 4 S1, S2 3 D 1 SEL Control 2 VCC Positive Supply Voltage 5 GND Ground (0V) Figure 2. Name and function Independent Channels Common Channels Input equivalent circuit 3/18 Electrical ratings 2 STG3155 Electrical ratings Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 3. Absolute maximum ratings Symbol VCC Supply voltage Unit -0.5 to 5.5 V -0.5 to VCC + 0.5 V -0.5 to 5.5 V -0.5 to VCC + 0.5 V DC Input voltage VIC DC Control input voltage VO DC Output voltage IIKC DC Input diode current on control pin (VSEL < 0V) -50 mA IIK DC Input diode current (VSEL < 0V) ±50 mA IOK DC Output diode current ±20 mA IO DC Output current ±200 mA IOP DC Output current peak (pulse at 1ms, 10% duty cycle) ±500 mA DC VCC or ground current ±100 mA PD Power dissipation at TA = 70ºC (1) 1120 mW Tstg Storage temperature -65 to 150 °C 300 °C Value Unit 1.65 to 4.3 V TL Lead temperature (10 sec) Derate above 70ºC by 18.5mW/C Table 4. Recommended operating conditions Symbol VCC Parameter Supply voltage (1) VI Input voltage 0 to VCC V VIC Control input voltage 0 to 4.3 V VO Output voltage 0 to VCC V Top Operating temperature -55 to 125 °C dt/dv Input rise and fall time control input 1. Truth table guaranteed: 1.2V to 4.3V 4/18 Value VI ICC or IGND 1. Parameter VCC = 1.65V to 2.7V 0 to 20 VCC = 3.0 to 4.3V 0 to 10 ns/V STG3155 Electrical characteristics 3 Electrical characteristics 3.1 DC Electrical characteristics Table 5. DC Specifications Test conditions Symbol Value Parameter TA = 25°C -40 to 85°C -55 to 125°C Min. Min. Unit Vcc (V) Min. VIH VIL High Level Input Voltage Low Level Input Voltage RPEAK 0.65VCC 0.65VCC 2.3-2.5 1.2 1.2 1.2 2.7-3.0 1.3 1.3 1.3 3.3-3.6 1.4 1.4 1.4 4.3 1.6 1.6 1.6 ∆RON RFLAT (2) V 0.25 0.25 0.25 2.3-2.5 0.25 0.25 0.25 2.7-3.0 0.25 0.25 0.25 3.3-3.6 0.30 0.30 0.30 4.3 0.40 0.40 0.40 1.1 1.5 1.5 0.7 0.8 0.9 0.7 0.8 0.9 0.6 0.7 0.8 2.7 3.0 VS = 0V to VCC IS = 100mA 1.8 VS = 0.9V IS = 100mA 1.0 1.2 1.4 2.7 VS = 1.3V IS = 100mA 0.6 0.7 0.8 3.0 VS = 1.5V IS = 100mA 0.6 0.7 0.8 4.3 VS = 2.5V IS = 100mA 0.5 0.6 0.7 2.7 3.0 VS @ RON Max IS = 100mA 4.3 2.7 3.0 4.3 V Ω Ω 12 1.8 17 mΩ 18 21 1.8 ON Resistance FLATNESS Max. 1.65-1.95 Switch On Resistance ON Resistance Match between channels (1) Max. 0.65VCC 4.3 RON Max. 1.65-1.95 1.8 Switch ON Peak Resistance Typ. VS = 0V to VCC IS = 100mA 0.45 0.50 0.50 0.28 0.32 0.32 0.27 0.32 0.32 0.25 0.30 0.30 Ω 5/18 Electrical characteristics Table 5. STG3155 DC Specifications (continued) Test conditions Symbol Value Parameter TA = 25°C -40 to 85°C -55 to 125°C Min. Min. Unit Vcc (V) Min. IOFF OFF State Leakage Current (SN), (D) IIN Input Leakage Current ICC Quiescent Supply Current ICCLV Quiescent Supply Current Low Voltage Driving Typ. Max. Max. Max. 4.3 VS = 0.3 or 4V ±20 ±100 nA 0 – 4.3 VSEL = 0 to 4.3V ±0.1 ±1 µA 1.65 – 4.3 VSEL = VCC or GND ±0.05 ±0.2 4.3 VSEL = 1.65V ±23 ±50 ±100 VSEL = 1.80V ±18 ±40 ±50 VSEL = 2.60V ±7 ±20 ±30 ±1 1. ∆RON = RON(Max) - RON(Min) 2. Flatness is defined as the difference between the maximum and minimum value of ON-resistance as measured over the specified analog signal ranges. 6/18 µA µA STG3155 3.2 Electrical characteristics AC Electrical characteristics CL = 35pF, RL = 50Ω, tr = tf ≤ 5ns Table 6. AC Electrical characteristics Test conditions Symbol Value Parameter TA = 25°C -40 to 85°C -55 to 125°C Unit Vcc (V) Min. 1.65-1.95 tPLH, tPHL Propagation Delay VS = 0.8V VS = 1.5V VS = 0.8 2.3-2.7 120 45 55 65 52 55 65 40 55 65 18 30 40 16 30 40 15 30 40 22 ns 3.0-3.3 VS = 1.5V 3.6-4.3 1.65-1.95 2.3-2.7 3.0-3.3 28 CL = 35pF RL = 50Ω VS = 1.5V 3.6-4.3 2.3 Charge Injection 3 4.3 10 ns 7 4 1.65 Q ns TURN-OFF time Break Before Make Time Delay Max. ns 3.0-3.3 1.65-1.95 tD Min. 0.30 TURN-ON time 3.6-4.3 tOFF Max. 0.30 2.3-2.7 tON Min. 0.40 VS = OPEN 3.6-4.3 1.65-1.95 Max. 0.45 2.3-2.7 3.0-3.3 Typ. 25 CL = 100pF VGEN = 0V RGEN = 0Ω 34 pC 42 53 7/18 Electrical characteristics 3.3 STG3155 Analog switch characteristics CL = 5pF, RL = 50Ω, TA = 25°C Table 7. Analog switch characteristics Test conditions Symbol Value Parameter TA = 25°C -40 to 85°C -55 to 125°C Min. Min. Unit Vcc (V) Min. Typ. Max. Max. Max. 1.65-4.3 VS = 1VRMS f = 100kHz -74 dB 1.6-4.3 VS = 1VRMS f = 100kHz -72 dB THD Total Harmonic Distortion 2.3-4.3 RL = 600Ω VS = 2VPP f = 20Hz to 20 kHz 0.03 % BW -3dB Bandwidth 1.65-4.3 RL= 50Ω 70 MHz CIN Control Pin Input Capacitance CSn Sn Port Capacitance 3.3 f = 1MHz 42 CD D Port Capacitance when Switch is Enabled 3.3 f = 1MHz 103 Off Isolation OIRR (1) Xtalk Crosstalk 6.6 pF 1. OFF Isolation = 20Log10 (VD/VS), VD = output. VS = input to OFF switch. 3.4 Truth table Table 8. Truth table Sel Switch S1 Switch S2 H ON OFF (1) L OFF (1) ON 1. High impedance 8/18 STG3155 Typical application circuit 4 Typical application circuit Figure 3. ON-Resistance Figure 4. Bandwidth Figure 5. OFF Leakage Figure 6. Channel to channel crosstalk Figure 7. OFF Isolation 9/18 Test circuit 5 STG3155 Test circuit Figure 8. Note: Test circuit CL = 5/35pF or equivalent: (includes jig capacitance) RL = 50Ω or equivalent RT = ZOUT of pulse generator (typically 50Ω) Figure 9. 10/18 Break-before-make time delay STG3155 Test circuit Figure 10. Switching time and charge injection (VGEN = 0V, RGEN = 0Ω, RL = 1MΩ, CL = 100pF) Figure 11. Turn ON, turn OFF delay time 11/18 Package mechanical data 6 STG3155 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 12/18 STG3155 Package mechanical data Table 9. DFN6L (1.45mm x 1mm) Mechanical data mm. inch Dim. Min. Typ. Max. Min. Typ. Max. A 0.45 0.50 0.55 0.017 0.019 0.021 A1 0 0.02 0.05 0 0.001 0.002 A3 0.127 0.005 b 0.20 0.25 0.30 0.007 0.010 0.011 D 1.35 1.45 1.55 0.053 0.057 0.061 E 0.90 1 1.10 0.035 0.040 0.043 e L 0.50 0.25 0.35 0.020 0.45 0.010 0.013 0.017 Figure 12. Package dimensions 13/18 Package mechanical data Figure 13. Tape and Reel Information 14/18 STG3155 STG3155 Package mechanical data Figure 14. Tape and Reel Information 15/18 Package mechanical data Figure 15. Tape and Reel Information 16/18 STG3155 STG3155 7 Revision history Revision history Table 10. Document revision history Date Revision Changes 22-Feb-2006 1 First release 25-May-2007 2 Udated RON values on Chapter Table 5.: DC Specifications 17/18 STG3155 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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