MAX4762MAX4764/MAX4764A/MAX4765 19-3152 Rev 2 1/06 Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability General Description Features The MAX4762MAX4764/MAX4764A/MAX4765 dual Distortion-Free Negative Signal Throughput Down SPDT (single-pole/double-throw) switches feature nega- to V - 5.5V CC tive signal capability that allows signals below ground to Comparator for Headphone or Mute Detection pass through without distortion. These analog switches (MAX4763/MAX4765) operate from a single +1.8V to +5.5V supply and have low 0.6 on-resistance, making them ideal for switching Internal Shunt Resistor Reduces Click/Pop audio signals. (MAX4764/MAX4764A/MAX4765) The MAX4763/MAX4765 include a comparator that can Low On-Resistance (R ) ON be used for headphone detection or a mute/send key 0.6 at +2.7V Supply function. The MAX4764/MAX4764A/MAX4765 have an internal shunt switch to automatically discharge any 0.25 On-Resistance Flatness capacitance at the NO and NC connection points. This 0.05 On-Resistance Matching reduces click-and-pop sounds that occur when switching audio signals between precharged points. +1.8V to +5.5V Supply Voltage These SPDT switches are available in space-saving -70dB Crosstalk (100kHz) MAX , TDFN, thin QFN, and UCSP packages and -65dB Off-Isolation (100kHz) operate over the -40C to +85C extended tempera- ture range. 0.01% Total Harmonic Distortion Applications Available in MAX, TDFN, Thin QFN, and UCSP Packages Cell Phones PDAs and Handheld Devices Ordering Information Notebook Computers MP3 Players PIN- TOP PART TEMP RANGE PACKAGE MARK MAX4762ETB -40C to +85C 10 TDFN ACG MAX4762EUB -40C to +85C 10 MAX MAX4762EBC-T -40C to +85C 12 UCSP-12 ABU MAX is a registered trademark and UCSP is a trademark of Maxim Integrated Products, Inc. Ordering Information continued at end of data sheet. Selector Guide appears at end of data sheet. Pin Configurations/Functional Diagrams/Truth Table TOP VIEW MAX4762/MAX4764 MAX4763/MAX4765 (BUMP SIDE DOWN) C1 B1 A1 C1 B1 A1 MAX4762MAX4764/ NO2 V NO1 NO2 V NO1 CC CC MAX4764A/MAX4765 C2 A2 C2 B2 A2 IN NO NC COM2 COM1 COM2 CMPO COM1 0 OFF ON C3 A3 C3 B3 A3 1 ON OFF NC2 NC1 NC2 CMP- NC1 SWITCHES SHOWN FOR LOGIC0 INPUT C4 B4 A4 C4 B4 A4 IN2 GND IN1 IN2 GND IN1 UCSP UCSP Pin Configurations/Functional Diagrams/Truth Table continued at end of data sheet. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) 12-Bump UCSP (MAX4762/MAX4764) V , IN , CMP-......................................................-0.3V to +6.0V (derate 5.6mW/C above +70C).............................449mW CC COM , NO , NC ...............................(V - 6V) to (V + 0.3V) 12-Bump UCSP (MAX4763/MAX4765) CC CC CMPO.........................................................-0.3V to (V + 0.3V) (derate 6.5mW/C above +70C).............................519mW CC Closed-Switch Continuous Current COM , NO , NC ......150mA 12-Pin Thin QFN (derate 16.9mW/C above +70C) ....1349mW Open-Switch Continuous Current NO , NC ESD Method 3015.7.............................................................2kV (MAX4764/MAX4764A/MAX4765) ................................30mA Operating Temperature Range ...........................-40C to +85C Peak Current COM , NO , NC Junction Temperature......................................................+150C (pulsed at 1ms, 50% duty cycle)................................300mA Storage Temperature Range .............................-65C to +150C Peak Current COM , NO , NC Lead Temperature (soldering, 10s) .................................+300C (pulsed at 1ms, 10% duty cycle)................................400mA Bump Temperature (soldering) Continuous Power Dissipation (T = +70C) Infrared (15s) ...............................................................+220C A 10-Pin TDFN (derate 24.4mW/C above +70C) .......1951mW Vapor Phase (60s) .......................................................+215C 10-Pin MAX (derate 5.6mW/C above +70C) ...........444mW 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. ELECTRICAL CHARACTERISTICS (V = +2.7V to +5.5V, T = -40C to +85C, unless otherwise noted. Typical values are at V = +3.0V, T = +25C, unless otherwise CC A CC A noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ANALOG SWITCH V , NO Analog Signal Range V - CC V , NC V V CC (Note 2) 5.5 V COM T = +25C 0.6 0.85 A V = 2.7V V or V = CC NC NO On-Resistance R ON(NC), V - 5.5V, -1V, 0V, 1V, 2V, V CC CC T = T A MIN (Notes 3 and 4) R ON(NO) 0.95 I = 100mA COM to T MAX T = +25C 0.05 0.1 A On-Resistance Match V = 2.7V, V or V = 0V, CC NC NO Between Channels R ON T = T A MIN I = 100mA COM 0.15 (Notes 3, 4, and 5) to T MAX T = +25C 0.25 0.4 A V = 2.7V V or V = CC NC NC On-Resistance Flatness R -1V, 0V, 1V, 2V, V FLAT(NC) CC T = T A MIN (Notes 4 and 6) 0.45 I = 100mA COM to T MAX MAX4764/MAX4764A/MAX4765 only, T = T A MIN Shunt Switch Resistance R 25 50 SH I or I = 10mA, V = 2.7V to T NO NC CC MAX MAX4762/MAX4763 only (Note 7), T = +25C -2 +2 A NO , NC I V = 2.7V, switch open NO (OFF), CC Off-Leakage Current nA I V or V = -2.5V, +2.5V NC (OFF) NC NO T = T A MIN (Notes 8 and 9) -10 +10 V = +2.5V, -2.5V COM to T MAX V = 2.7V, switch closed CC T = +25C -6 +6 A COM On-Leakage Current V or V = -2.5V, +2.5V, or NC NO I nA COM (ON) (Notes 8 and 9) floating V = -2.5V, +2.5V, or COM T = T A MIN -50 +50 floating to T MAX 2 MAX4762MAX4764/MAX4764A/MAX4765