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| DATASHEET 0.5 OHM, DUAL SPDT ANALOG SWITCH Description The IDTAS4684 low on-resistance (RON), low voltage, dual single-pole/double-throw (SPDT) analog switch operates from a single +1.8 V to +5.5 V supply. The IDTAS4684 features a 0.5 (max) RON for its NC switch and a 0.8 (max) RON for its NO switch at a +2.7 V supply. It also features break-before-make switching action (2 ns) with tON = 50 ns and tOFF = 40 ns at +3 V. The digital logic inputs are 1.8 V logic-compatible with a +2.7 V to +3.3 V supply. Comes in a 12-bump CSP package. IDTAS4684 Features * * * * * * * * * * * * * +1.8 V to +5.5 V single-supply operation Rail-to-rail signal handling 1.8 V logic compatibility RON match between channels: 0.06 (max) RON flatness over signal range: 0.15 (max) NCx Switch RON: 0.5 max (+2.7 V Supply) NOx Switch RON: 0.8 max (+2.7 V Supply) Low crosstalk: -68dB (100 kHz) High Off-isolation: -64dB (100 kHz) THD: 0.03% 50 nA (max) supply current Low leakage currents: 1 nA (max) at TA = +25C 12-bump, 0.5 mm-Pitch UCSP package Applications * * * * * * * Speaker headset switching MP3 players Battery-operated equipment Audio and video signal routing PCMCIA cards Cellular phones Modems Block Diagram IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 1 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Pin Assignment (CSP) A 1 2 3 4 B C Truth Table IN 0 1 NO OFF ON NC ON OFF Note: Switches shown for logic "0" input. Pin Descriptions Pin Numbers A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 Pin Name NC1 IN1 COM1 NO1 GND NC NC V+ NC2 IN2 COM2 NO2 Digital control input 1. Pin Description Analog switch. Normally closed terminal 1. Analog switch. Common terminal 1. Analog switch. Normally open terminal 1. Ground. No connect. No connect. Positive supply voltage input. Analog switch. Normally closed terminal 2. Digital control input 2. Analog switch. Common terminal 2. Analog switch. Normally open terminal 2. IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 2 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the IDTAS4684. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical parameters are guaranteed only over the recommended operating temperature range. All voltages referenced to ground. Symbol V+, IN COM, NO, NC Continuous current NO, NC, COM Rating Min -0.3 -0.3 Max +6 (V+ + 0.3) 300 400 500 +909 Unit V V mA mW C C C C C Peak current (pulsed at 1ms, 50% duty cycle) Peak current (pulsed at 1ms, 10% duty cycle) Continuous power dissipation (TA = +70C) and 12-bump UCSP (derate 11.4mW/C above +70C) Operating temperature range 0 -65 +70 +150 +300 +200 +215 TSTG Storage temperature range Lead temperature (soldering, 10s) Bump temperature (soldering, infrared, 15s) Vapor phase (60s) IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 3 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Electrical Characteristics Unless stated otherwise, V+ = 2.7 V to 3.3 V, VIH = 1.4 V, VIL = 0.5 V, TA = TMIN to TMAX. Typical values are at +3 V and 25C Parameter Analog Signal Range NC On-Resistance NO On-Resistance On-Resistance Match between channels NC On-Resistance Flatness NO On-Resistance Flatness NO or NC Off-leakage Current COM On-leakage Current Symbol VNO, VNC, VCOM RON(NC) RON(NO) RON RFLAT(NC) RFLAT(NO) INO(OFF) or INC(OFF) ICOM(ON) Conditions Analog Switch TA TMIN to TMAX Min. 0 Typ. Max. Units V+ V nA nA V+ = 2.7 V, ICOM = 100 mA, VNC = 0 to V+; Note 3 V+ = 2.7 V, ICOM = 100 mA, VNO = 0 to V+; Note 3 V+ = 2.7 V, ICOM = 100 mA, VNO or VNC = 1.5 V; Notes 3, 4 V+ = 2.7 V, ICOM = 100 mA, VNC = 0 to V+; Note 5 V+ = 2.7 V, ICOM = 100 mA, VNO = 0 to V+; Note 5 +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX TMIN to TMAX TMIN to TMAX -1 -10 -2 -20 3.0 0.45 0 0.5 0.5 0.8 0.8 0.6 0.6 0.15 0.35 +1 +10 +2 +20 V+ = 3.3 V, VNO or VNC = 3 V, 0.3 V +25C VCOM = 0.3 V, 3 V TMIN to TMAX V+ = 3.3 V, VNO or VNC = 3 V, 0.3 +25C V, or floating TMIN to TMAX VCOM = 0.3 V, 3 V, or floating Dynamic Characteristics Turn-on Time Turn-off Time Break-Before-Make-Delay Charge Injection Off-Isolation Crosstalk Total Harmonic Distortion NC Off-Capacitance NC Off-Capacitance NC On-Capacitance NC On-Capacitance tON tOFF tBBM Q VISO VCT THD CNC(OFF) CNO(OFF) CNC(ON) CNO(ON) V+ = 2.7 V, VNO or VNC = 1.5 V, RL = 50 CL = 35 pF , V+ = 2.7 V, VNO or VNC = 1.5 V, RL = 50 CL = 35 pF , V+ = 2.7 V, VNO or VNC = 1.5 V, , RL = 50 CL = 35 pF COM = 0, RS = 0, CL = 1 nF CL = 5 pF; RL = 50, f = 100 kHz, VCOM = 1 VRMS, Note 6 f = 100 kHz, RL = 50 CL = 5 pF, , VCOM = 1 VRMS RL = 600 IN = 2 V p-p, , f = 20Hz to 20 kHz f = 1 MHz f = 1 MHz f = 1 MHz f = 1 MHz +25C TMIN to TMAX +25C TMIN to TMAX TMIN to TMAX +25C +25C +25C +25C +25C +25C +25C +25C 2 15 200 -64 -68 0.03 84 37 190 150 25 30 50 60 30 40 ns ns ns ns ns pC dB dB % pF pF pF pF IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 4 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Parameter Input Logic HIGH Input Logic LOW IN Input Leakage Current Symbol VIH VIL IIN Conditions Digital I/O TA TMIN to TMAX TMIN to TMAX Min. 1.4 Typ. Max. Units V 0.5 V A VIN = 0 or V+ TMIN to TMAX TMIN to TMAX -1 1 Power Supply Power Supply Range Supply Current V+ I+ 1.8 -50 -200 +0.04 5.5 +50 +200 V nA V+ = 5.5 V, VIN = 0 or V+, Note 3 +25C TMIN to TMAX Notes: 1. The algebraic convention used in this data sheet is where the most negative value is a minimum and the most positive value a maximum. 2. UCSP parts are 100% tested at +25C only and guaranteed by design and correlation at the full hot-rated temperature. 3. Guaranteed by design. 4. RON = RON(MAX) - RON(MIN), between NC1 and NC2 or between NO1 and NO2. 5. Flatness is defined as the difference between the maximum and minimum value of on resistance as measured over the specified analog signal ranges. 6. Off-isolation = 20log10 (VCOM / VCO), VCOM = output, VCO = input to off switch. IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 5 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Test Circuits and Timing Diagrams Overvoltage Protection Using Two External Blocking Diodes Switching Time IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 6 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Break-Before-Make Interval Charge Injection IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 7 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH On-Loss, Off-Isolation, and Crosstalk Channel Off/On Capacitance IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 8 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Marking Diagram (CSP) IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH IDTAS4 684AHG 0633AAH Notes: 1. "Z" is the device step (1 to 2 characters). 2. YYWW is the last two digits of the year and week that the part was assembled. 3. "$" is the assembly mark code. 4. "G" after the two-letter package code designates RoHS compliant package. 5. "I" at the end of part number indicates industrial temperature range. 6. Bottom marking: country of origin if not USA. 9 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Package Outline and Package Dimensions (12-bump CSP) Package dimensions are kept current with JESD Publication No. 95-1, IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 10 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Ordering Information IDT XXXXXX Device Type XXX Package X Temp. Range X Shipping Carrier 8 Blank Blank AHG Tape and Reel Tray Commercial (0 to +70C) Chip Scale Package AS4684 0.5 Low Voltage, Dual SPDT Analog Switch IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 11 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Revision History Rev. B C Originator Date 10/31/06 11/15/06 Description of Change Created datasheet in new template; added marking diagram. Removed DFN package and ordering information. IDTTM 0.5 OHM, DUAL SPDT ANALOG SWITCH 12 IDTAS4684 REV C 111506 IDTAS4684 0.5 OHM, DUAL SPDT ANALOG SWITCH ANALOG SWITCH Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 For Tech Support 408-284-4522 clockhelp@idt.com Corporate Headquarters Integrated Device Technology, Inc. www.idt.com (c) 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA |
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