PI3A125 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 SOTINYTM Low Voltage SPST Analog Switch/Bus Switch Features Description • Low Voltage, SPST Switch – VCC from 2.3V to 3.6V The PI3A125 is a high-speed CMOS SPST switch that can be used in analog or low-delay bus switch applications. • Low On-Resistance: 6 ohms at 3.0V • Rail-to-Rail Signal Range Specified over a wide operating power supply voltage range, 2.3V to 3.6V, the PI3A125 has a low maximum ON resistance of 10-ohm at 2.3V and 7 ohms at 3V. The CMOS device features rail-to-rail signal range. The switch is turned off when the OE input is high. • Low Power: 30µW at 3.0V Power requirements at 3V are a low 30µW. • CMOS Technology for Bus and Analog Applications The PI3A125 is an improved, direct replacement for the SN74CBTLV1G125. Pericom improvements include lower resistance and detailed analog switch specifications. • High Speed: 4ns • High Off Isolation: 65dB at 1MHz • High Bandwidth: 250MHz • Extended Industrial Temperature Range: -40°C to 85°C • Improved, Direct Replacement for SN74CBTLV1G125 Connection Diagram • Packaging: - 5-pin SC70 (C) - 5-pin SOT-23 (T) PI3A125 OE 1 A 2 GND 3 5 VCC 4 B Applications • Cell Phones • Computer Peripherals • Bus Isolation • Servers/Routers • Data Communications • PDAs • Portable Instrumentation • Battery Powered Communications Logic Function Table Pin Description OE Function Enable Logic Input 0 ON Input/Output (Bidirectional) 1 O FF Pin Numbe r Name De s cription 1 OE 2 Port A 3 GND Ground 4 Port B Input/Output (Bidirectional) 5 VCC Positive Power Supply 1 PS8575A 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Absolute Maximum Ratings & Thermal Information(1) Supply Voltage VCC ............................................... –0.5V to 4.6V Input Voltage Range, VI ......................................... –0.5V to 4.6V Continuous Channel Current ............................................ 128mA Package Thermal Impedance, θJA SOT23 package ....................................................... 206°C/W SC70 package .......................................................... 252°C/W Storage Temperature Range, Tstg ....................... –65°C to 150°C Notes: 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 under “Recommended Operating Conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Recommended Operating Conditions(1) VCC Supply Voltage VIH High- Level Control Input Voltage VIL Low- Level Control Input Voltage TA Operating Free- Air Temperature M in. M a x. 2.3 3.6 VCC = 2.3V to 2.7V 1.7 VCC = 2.7V to 3.6V 2 Units V VCC = 2.3V to 2.7V 0.7 VCC = 2.7V to 3.6V 0.8 –40 85 °C Note: 1. To ensure proper device operation, all unused control inputs of the device must be held at VCC or GND. DC Electrical Characteristics (Over the Operating temperature range, TA = –40°C to 85°C) Parame te r VCC De s cription Te s t Conditions Analog Voltage Range SupplyVoltage M in. VCC 2.3 II = 64mA, VI = 0V RON RON ON Resistance ON Resistance(4) M ax. Units 3.6 7 9 7 9 II = 15mA, VI = 1.7V 15 22 II = 64mA, VI = 0V 5 6 5 6 10 13 II = 24mA, VI = 0V II = 24mA, VI = 0V 2.3V 3V II = 15mA, VI = 2.4V VIH Typ Input High Logic Voltage VCC = 2.3V to 2.7V 1.7 VCC = 2.7V to 3.6V 2 VCC = 2.3V to 2.7V 0.7 VCC = 2.7V to 3.6V 0.8 VCC = 2.7V to 3.6V ± 1. 0 VCC = 2.7V to 3.6V ± 50 VIL Input Low Logic Voltage IIN Input Logic Current IOFF OFF State Leakage Current ICC Quiescent Supply Current IO = 0mA, VI = VCC or GND VCC = 3.6V CIN Control Input Capacitance VI = 3V or 0 VCC = 3.6V 2.5 CIO(OFF) Capacitance of OFF Switch VO = 3V or GND VCC = 3.6V 7 CIO(ON) Capacitance of ON Switch f = 1 MHz VCC = 3.6V 16 VIN = Logic High Minimum or VIN = Logic Low Maximum Ω V µA 10 pF PS8575A 2 V 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Switch and AC Characteristics Parame te r De s cription tPD Propagation Delay tEN Enable Turn ON Time tDIS Q OIRR f3dB Te s t Conditions Note 3 Supply Voltage M in. Typ M ax. VCC = 2.5V ±0.2V 0.35 VCC = 3.3V ±0.3V 0.25 Units VCC = 2.5V ±0.2V 1 5 VCC = 3.3V ±0.3V 1 4.5 Output Disable Turn OFF Time VCC = 2.5V ±0.2V 1 5 VCC = 3.3V ±0.3V 1 4.1 Charge Injection VCC = 3.3V 7 pC VCC = 3.3V –6 5 dB VCC = 3.3V TBD MHz Off Isolation f = 1 MHz –3dB Bandwidth ns Notes: 2. All typical values are at TA = 25°C and VCC = 3.3V. 3. Propagation delay is the calculated RC time constant of the typical On-resistance of the switch and a total load capacitance of 50pF, when driven by an ideal voltage source with zero source impedance. 3 PS8575A 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Test Circuits and Timing Diagrams VCC = 2.5V ±0.2V 2 x VCC S1 500Ω From Output Under Test Open GND CL = 30pF 500Ω (See Note 1) Load Circuit Output Control (Low Level Enabling) Output Waveform 1 S1 at 2 x VCC (see Note 2) VCC/2 VCC/2 0V tPLH tPHL Output Waveform 2 S1 at GND (see Note 2) VOH Output VCC/2 S1 tpd tPLZ/tPZL tPHZ/tPZH Open 2 x VCC GND VCC VCC/2 VCC/2 0V tPZL VCC Input Te s t VCC/2 VOL tPLZ VCC VCC/2 VOL +0.15V tPZH VOL tPHZ VCC/2 VOH –0.15V VOH 0V Voltage Waveforms Propagation Delay Times Voltage Waveforms Propagation Delay Times Figure 1. Test Circuit and Voltage Waveforms for VCC = 2.5V Notes: 1. CL includes probe and jig capacitance. 2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control. 3. All input pulses are supplied by generators having the following characteristics: PRR <10 MHz, ZO = 50Ω, tr ≤ 2ns, tf ≤ 2ns. 4. The outputs are measured one at a time with one transition per measurement. 5. tPLZ and tPHZ are the same as tdis. 6. tPZL and tPZH are the same as ten. 7. tPLH and tPHL are the same as tpd. PS8575A 4 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Test Circuits and Timing Diagrams (continued) VCC = 3.3V ±0.3V 2 x VCC S1 500Ω From Output Under Test Open GND CL = 50pF 500Ω (See Note 1) Load Circuit Output Control Te s t S1 tpd tPLZ/tPZL tPHZ/tPZH Open 2 x VCC GND VCC VCC/2 VCC/2 0V tPZL VCC Input VCC/2 VCC/2 Output Waveform 1 S1 at 2 x VCC (see Note 2) 0V tPLH tPHL Output VCC VCC/2 VOL +0.3V tPZH VOH VCC/2 tPLZ Output Waveform 2 S1 at GND (see Note 2) VCC/2 VOL VOL tPHZ VCC/2 VOH –0.3V VOH 0V Voltage Waveforms Propagation Delay Times Voltage Waveforms Propagation Delay Times Figure 2. Test Circuit and Voltage Waveforms for VCC = 3.3V Notes: 1. CL includes probe and jig capacitance. 2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control. 3. All input pulses are supplied by generators having the following characteristics: PRR <10 MHz, ZO = 50Ω, tr ≤ 2ns, tf ≤ 2ns. 4. The outputs are measured one at a time with one transition per measurement. 5. tPLZ and tPHZ are the same as tdis. 6. tPZL and tPZH are the same as ten. 7. tPLH and tPHL are the same as tpd. 5 PS8575A 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 3V VCC RGEN ∆V OUT VOUT V OUT CL 1nF VGEN IN OFF ON OFF OFF ON OFF IN Logic Input GND IN Q = (∆V OUT )(CL ) Figure 3. Charge Injection VCC 10nF Signal Generator: 0dBm VCC 1 MHz IN 0V or 2.4V S Analyzer GND RL 50Ω 5pF Figure 4. Off Isolation PS8575A 6 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Typical Application 3.3V R VIN + LPV321 – 3.3V PI3A125 9R Gain Control Low: Gain = 1 High: Gain = 10 VGAIN R Figure 5. Programmable Gain Amplifier 7 PS8575A 06/27/04 PI3A125 SOTINY Low Voltage SPST Analog Switch/Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Packaging Mechanical: 5-pin SC70 (C) .079 2.00 BSC .051 1.30 BSC 5 4 .049 1.25 BSC .083 2.10 BSC 1 2 .026 0.65 BSC VIEW A 3 GUAGE PLANE .006 .011 0.15 0.30 SEATING PLANE 4˚-10˚ .010 .018 0.26 0.46 .321 BSC 0.15 0˚-8˚ .017 0.42 REV 1.10 MAX SEATING PLANE 0 0 .004 0.10 XXX DENOTES DIMENSIONS XXX IN MILLIMETERS Notes: 1. Controlling dimensions in millimeters 2. Ref: JEDEC MO-203AA Packaging Mechanical: 5-pin SOT-23 (T) .075 1.90 BSC 5 4 .059 1.50 .068 1.75 1 2 .037 0.95 BSC .102 2.60 .118 3.00 0” - 10” 3 Datum "A" .004 0.10 .023 0.60 .014 0.35 .019 0.50 X.XX DENOTES DIMENSIONS X.XX IN MILIMETERS .110 2.80 .118 3.00 .057 1.45 MAX. SEATING PLANE .000 0.00 .005 0.15 Ordering Information Ordering Code Package Code Package Description Top Marking PI3A125CX C 5-pin SC70 ZW PI3A125TX T 5-pin SOT-23 ZW Notes: 1. Thermal Characteristics can be found on the world wide web at: http://www.pericom.com/packaging/ 2. X = Tape and reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com PS8575A 8 06/27/04