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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 1 2109876543212109876543210987654321098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Features * Single-Supply Operation (+2V to +6V) * Rail-to-Rail Analog Signal Dynamic Range * Low On-Resistance (6-Ohm typical with 5V supply) Minimizes Distortion and Error Voltages * On-Resistance Flatness, 3-Ohm typical * Low Charge Injection Reduces Glitch Errors. Q = 4pC (typical) * Replaces Mechanical Relays * High Speed: tON = 10ns typical * Wide -3dB Bandwidth: 300 MHz (typical) * High-Current Channel Capability: >100mA * TTL/CMOS Logic Compatible * Low Power Consumption (0.5W typical) * Small outline transistor package minimizes board area - 65 mil wide SOT23-5 (T5) Description The PI5A125 is a single analog switch designed for single-supply operation. This high-precision device is ideal for low-distortion audio, video, signal switching and routing. The PI5A125 is a single-pole single-throw (SPST), normally closed (NC) switch. The switch is open when OE is HIGH. This switch conducts current equally well in either direction when on. When off, it blocks voltages up toVCC. The PI5A125 is fully specified with +5V, and +3.3V supplies. With +5V, it guarantees <10-ohms ON-resistance. ON-resistance flatness is less than 5-ohms over the specified range. The switch also guarantees fast switching speeds (tON <20ns). This product is available in a 5-pin SOT23 plastic package for operation over the industrial (-40C to +85C) temperature range. Applications * * * * * * * * Audio, Video Switching and Routing Battery-Powered Communication Systems Computer Peripherals Telecommunications Portable Instrumentation Mechanical Relay Replacement Cell Phones PDAs Functional Diagram, Pin Configuration SOT23-5 Top View OE 1 5 VCC A 2 Truth Table OE 0 1 Switch shown for Logic "0" input PI5A125 ON O FF GND 3 4 B 1 PS8199D 01/12/01 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Electrical Specifications - Single +5V Supply (VCC = +5V 10%, GND = 0V, VINH = 2.4V, VINL = 0.8V) De s cription Analog Switch Analog Signal Range (3) On- Resistance VANALOG RON VCC = 4.5V, IB = -30 mA, VA = +2.5V VCC = 5V, IB = -30 mA, VA = 1V, 2.5V, 4V VCC = 5.5V,VB = 0V, VA = 4.5V V+ = 5.5V, VB = VA = +4.5V Full 25 Full 25 Full 25 Full 25 Full -80 -8 0 0.20 80 0.20 80 nA On Leakage Current(6) Logic Input Input High Voltage Input Low Voltage Input Current with Input Voltage High Input Current with Input Voltage Low Dynamic 25 Turn- On Time tON VCC = 5V, see Figure 1 Full 25 Turn- Off Time Charge Injection (3) Off Isolation A or B Off Capacitance On Capacitance - 3dB Bandwidth Supply Power- Supply Range Positive Supply Current VCC ICC V+ = 5.5V, VIN = 0V or VCC, All channels on or off Full 1 2 6 V A tOFF Q OIRR C(OFF) C(ON) BW VCOM = 3V, see Figure 2 CL = 1nF, VGEN = 0V, RGEN = 0, see Figure 2 RL = 50, CL = 5pF, f = 10 MHz, see Figure 3 f = 1kHz, see Figure 4 f = 1kHz, see Figure 5 RL = 50, see Figure 6 Full 1 2 7 15 20 nc 7 5 10 pC dB 25 5.5 pF 5.5 300 MHz VIH VIL IINH IINL Guaranteed Logic High Level Guaranteed Logic Low Level VIN =2.4V, all others = 0.8V -1 VIN =0.8V, all others = 2.4V 0.005 1 A Full 2 V 0.8 IA(ON) or IB(ON) 2.5 0 8 VCC 10 12 3.5 4 V Parame te r Conditions Te mp. (C) M in.(2) Typ.(1) M ax.(2) Units On- Resistance Flatness(5) RFLAT(ON) IA(OFF) or IB(OFF) Off Leakage Current(6) 2 PS8199D 01/12/01 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Absolute Maximum Ratings Voltages Referenced to GND VCC ....................................................................................... -0.5V to +7V VOE, VA, VB(1) ................................................................ -0.5V to VCC +2V .............................................. or 30mA, whichever occurs first Current (any terminal except A, B) .................................. 30mA Current: A,B (pulsed at 1ms, 10% duty cycle) .............. 120mA Note 1: Signals on OE, A, B exceeding Vcc or GND are clamped by internal diodes. Limit forward diode current to 30mA. Thermal Information Continuous Power Dissipation SOT23-5 (derate 7mW/C above +70C) ................. 550mW Storage Temperature ................................... -65C to +150C Lead Temperature (soldering, 10s) ........................... +300C Caution: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Electrical Specifications-Single +3.3V Supply (VCC = +3.3V 10%, GND = 0V, VINH = 2.4V, VINL = 0.8V) Parame te r Analog Switch Analog Signal Range(3) On- Resistance VANALOG 25 RON VCC =3V, IB =- 30mA, VA =1.5V Full On- Resistance Flatness(3,5) Dynamic Turn- On Time tON VCC =3.3V to VNO or VNC = 1.5V, Fig.1 25 Full 25 Full Charge Injection(3) Supply ICC Positive Supply Current VCC = 3.6V, Vin = 0V or VCC All channels on or off Full 1 A Q CL =1nf, VGEN = 0V, RGEN = 0V, Fig.2 25 1. 3 1.5 15 25 40 ns 12 20 10 pC RFLAT(ON) VCC = 3.3V, IB = - 30mA, VA = 0.8V, 2.5V 25 Full 0.5 22 4 5 0 12 VCC 18 V Symbol Conditions Te mp(C) M in.(1) Typ.(2) M ax.(1) Units Turn- Off Time tOFF Notes: 1. The algebraic convention, where the most negative value is a minimum and the most positive is a maximum, is used in this data sheet. 2. Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing. 3. Guaranteed by design 4. RON = RON max - RON min 5. Flatness is defined as the difference between the maximum and minimum value of on-resistance measured. 6. Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25C. 7. Off Isolation = 20log10 VB / VA. See Figure 3. 3 PS8199D 01/12/01 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Test Circuits/Timing Diagrams +5V Switch +3V* Input Logic Input A OE GND VCC B RL 100 CL 15pF VOUT Logic +3V Input 0V Switch Output 0V tr <20ns 50% tf <20ns VOUT tON * 1.5V FOR 3.3V SUPPLY tOFF 90% 90% CL INCLUDES FIXTURE AND STRAY CAPACITANCE RL VOUT = VNO RL + RON ( ) Figure 1. Switching Time +5V RGEN V+ A B VOUT VOUT OE CL VOUT VGEN OFF ON OFF OE Logic Input GND 1nF Q = (VOUT)(C ) L Figure 2. Charge Injection 4 PS8199D 01/12/01 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Test Circuits/Timing Diagrams (continued) 10nF A 50 Analyzer 50 COM B GND +5V V+ OE 2.4V 10nF A Capacitance Meter f = 1kHz +5V V+ OE 2.4V B GND Figure 3. Off Isolation Figure 4. Channel-Off Capacitance 10nF A +5V V+ OE A 10nF +5V Capacitance Meter f = 1kHz VCC B 0V RG = 50 GND VO RL = 50 B GND Figure 5. Channel-On Capacitance Figure 6. Bandwidth 5 PS8199D 01/12/01 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5A125 Single Wide Bandwidth Analog Switch Small Outline Transistor Package - SOT23-5 (T5) .075 1.90 BSC 5 4 .059 1.50 .102 2.60 .068 1.75 .1183.00 1 2 3 Datum "A" .004 0.10 .023 0.60 .014 0.35 .019 0.50 0 - 10 .037 0.95 BSC .110 2.80 .118 3.00 MAX. .057 1.45 SEATING PLANE .000 0.00 .005 0.15 X.XX DENOTES DIMENSIONS X.XX IN MILIMETERS Ordering Information P/N PI5A125TX Package SOT23-5 Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com 6 PS8199D 01/12/01 |
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