19-0180; Rev 1; 9/01 Precision, Quad, SPST Analog Switches These monolithic switches operate with a single positive supply (+10V to +30V) or with split supplies (±4.5V to ±20V) while retaining CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading. ________________________Applications Sample-and-Hold Circuits Guidance and Control Systems Heads-Up Displays Test Equipment Communications Systems Battery-Operated Systems PBX, PABX ____________________________Features ♦ Low On Resistance: < 45Ω Typical (85Ω Max) ♦ Guaranteed Matched On Resistance Between Channels: < 2Ω ♦ Guaranteed Flat On Resistance over Analog Signal Range: ∆9Ω Max ♦ Guaranteed Charge Injection: < 10pC ♦ Guaranteed Off-Channel Leakage: <4nA at +85°C ♦ ESD Guaranteed > 2000V per Method 3015.7 ♦ Single-Supply Operation (+10V to +30V) Bipolar-Supply Operation (±4.5V to ±20V) ♦ TTL-/CMOS-Logic Compatible ♦ Rail-to-Rail Analog Signal Handling Capability ______________Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX361CPE 0°C to +70°C 16 Plastic DIP MAX361CSE MAX361C/D MAX361EGE MAX361EPE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C 16 Narrow SO Dice* 16 QFN 16 Plastic DIP MAX361ESE -40°C to +85°C MAX361EJE -40°C to +85°C MAX361MJE -55°C to +125°C MAX362CPE 0°C to +70°C MAX362CSE 0°C to +70°C MAX362C/D 0°C to +70°C MAX362EGE -40°C to +85°C MAX362EPE -40°C to +85°C MAX362ESE -40°C to +85°C MAX362EJE -40°C to +85°C MAX362MJE -55°C to +125°C * Contact factory for dice specifications. 16 Narrow SO 16 CERDIP 16 CERDIP 16 Plastic DIP 16 Narrow SO Dice* 16 QFN 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP _____________________Pin Configurations/Functional Diagrams/Truth Tables TOP VIEW IN1 1 16 IN2 COM1 2 15 COM2 NC1 3 14 NC2 V- 4 13 V+ MAX361 GND 5 NC4 6 11 NC3 NO4 6 9 IN3 15 COM2 14 NO2 V- 4 GND 5 IN4 8 16 IN2 NO1 3 12 N.C. 10 COM3 COM4 7 IN1 1 COM1 2 13 V+ MAX362 11 NO3 10 COM3 COM4 7 IN4 9 8 DIP/SO IN3 DIP/SO MAX361 LOGIC SWITCH 0 1 12 N.C. MAX362 LOGIC SWITCH ON OFF 0 1 OFF ON N.C. = Not Internally Connected SWITCHES SHOWN FOR LOGIC "0" INPUT Pin Configurations continued at end of data sheet. _______________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 MAX361/MAX362 _______________General Description The MAX361/MAX362 are precision, quad, single-pole single-throw (SPST) analog switches. The MAX361 has four normally closed (NC) switches, and the MAX362 has four normally open (NO) switches. Both parts offer low channel on resistance (less than 85Ω), guaranteed to match within 3Ω between channels and to remain flat over the analog signal range (∆9Ω max). Both parts also offer low leakage (less than 500pA at +25°C and less than 4nA at +85°C) and fast switching (turn-on time less than 250ns and turn-off time less than 170ns). The MAX361/MAX362 are fabricated with Maxim’s new improved 44V silicon-gate process. Design improvements guarantee extremely low charge injection (10pC), low power consumption (35µW), and electrostatic discharge (ESD) greater than 2000V. The 44V maximum breakdown voltage allows rail-to-rail analog signal handling capability. MAX361/MAX362 Precision, Quad, SPST Analog Switches ABSOLUTE MAXIMUM RATINGS Voltage Referenced to VV+ ....................................................................................44V GND .................................................................................25V IN_, COM_, NO_, NC_ ...........(V- - 2V) to (V+ + 2V) or 30mA (whichever occurs first) Continuous Current (any terminal) .....................................30mA Peak Current COM, NO, NC (pulsed at 1ms, 10% duty cycle max)..........................100mA ESD....................................................................................2000V Continuous Power Dissipation (TA = +70°C) (Note 1) Plastic DIP (derate 10.53mW/°C above +70°C)..........842mW Narrow SO (derate 8.70mW/°C above +70°C)............696mW QFN (derate 19.2mW/°C above +70°C)....................1538mW CERDIP (derate 10.00mW/°C above +70°C) ..............800mW Operating Temperature Ranges: MAX36_C_ _.......................................................0°C to +70°C MAX36_E_ _ ....................................................-40°C to +85°C MAX36_MJE..................................................-55°C to +125°C Storage Temperature Range ............................-65°C to +150°C Lead Temperature (soldering, 10sec) ............................+300°C Note 1: All leads are soldered or welded to PC board. 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—Dual Supplies (V+ = 15V, V- = -15V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS (Note 2) -15 15 V 85 Ω ANALOG Analog-Signal Range VCOM_, VNO_, VNC_ On Resistance (COM_ to NO_ or COM_ to NC_ terminals) RON On Resistance Match Between Channels (Note 4) RON On Resistance Flatness (Note 4) RON Off Leakage Current (NO_ or NC_ terminal) INO_, INC_ Off Leakage Current (COM_ terminal) On Leakage Current (COM_ and NC_ or NO_ terminal) (Note 3) I(NO or NC) = -10mA, VCOM_ = 8.5V or -8.5V, V+ = 13.5V, V- = -13.5V I(NO or NC) = -10mA, VCOM_ = 10V or -10V, V+ = 15V, V- = -15V I(NO or NC) = -10mA, VCOM_ = 5V or -5V, V+ = 15V, V- = -15V TA = +25°C VCOM_ = ±15.5V, VNC_ or VNO_ = +15.5V, V+ = 16.5V, V- = -16.5V TA = +25°C VNC_ or VNO_ = ±15.5V, VCOM_ = +15.5V, V+ = 16.5V, V- = -16.5V TA = +25°C VCOM_ = ±15.5V, ICOM VNC_ or VNO_ = ±15.5V, or INO, INC V+ = 16.5V, V- = -16.5V TA = +25°C ICOM 50 TA = TMIN to TMAX 100 TA = +25°C 2 TA = TMIN to TMAX 4 TA = +25°C 9 TA = TMIN to TMAX 15 TA = TMAX TA = TMAX TA = TMAX -0.50 0.01 -4 4 M -20 20 -0.50 M 0.01 -4 nA 0.50 4 -20 -0.50 Ω 0.50 C, E C, E Ω nA 20 0.08 0.50 C, E -6 6 M -40 40 nA DIGITAL Input Current with Input Voltage High IINH VIN_ = 2.4V -500 0.01 500 nA Input Current with Input Voltage Low IINH VIN_ = 0.8V -500 0.01 500 nA 2 ________________________________________________________________________________________________ Precision, Quad, SPST Analog Switches (V+ = 15V, V- = -15V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS (Note 2) ±4.5 ±20.0 V 100 µA SUPPLY Power-Supply Range V+, V- Positive Supply Current I+ All channels on or off, VIN = 0V or 5V, V+ = 16.5V, V- = -16.5V Negative Supply Current I- All channels on or off, VIN = 0V or 5V, V+ = 16.5V, V- = -16.5V Ground Current 15 TA = +25°C -1 TA = TMIN to TMAX -5 -0.0001 1 µA 5 IGND All channels on or off, VIN = 0V or 5V, V+ = 16.5V, V- = -16.5V tON Figure 1, VS = ±10V, RL = 1kΩ TA = +25°C 150 250 ns MAX361, Figure 1, VCOM = ±10V TA = +25°C 90 120 ns MAX362, Figure 1, VCOM = ±10V TA = +25°C 110 170 ns 10 pC -100 -15 µA DYNAMIC Turn-On Time Turn-Off Time tOFF Charge Injection Off Isolation (Note 5) Q CL = 1nF, VGEN = 0V, RGEN = 0Ω, Figure 2 TA = +25°C 5 OIRR RL = 50Ω, CL = 5pF, f = 1MHz, Figure 3 TA = +25°C 60 dB RL = 50Ω, CL = 5pF, f = 1MHz, Figure 4 TA = +25°C -100 dB Crosstalk (Note 6) Off Capacitance NC or NO f = 1MHz, Figure 5 TA = +25°C 4 pF Off Capacitance COM_ CCOM(OFF) f = 1MHz, Figure 5 C(OFF) TA = +25°C 4 pF Channel-On Capacitance CCOM(ON) f = 1MHz, Figure 5 TA = +25°C 16 pF _________________________________________________________________________________________________ _______________________________________________________________________________________ 3 MAX361/MAX362 ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) MAX361/MAX362 Precision, Quad, SPST Analog Switches ELECTRICAL CHARACTERISTICS—Single Supply (V+ = 12V, V- = 0V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS (Note 2) 0 12 V 160 Ω SWITCH Analog-Signal Range On Resistance (COM_ to NO_ or COM_ to NC_ terminals) VCOM_, VNO_, VNC_ RON (Note 3) I(NC or NO) = 1.0mA, VCOM__ = 3V, 8V, V+ = 10.8V TA = +25°C 100 TA = TMIN to TMAX 200 SUPPLY Power-Supply Range V+ Positive Supply Current I+ All channels on or off, VIN = 0V or 5V 10 Negative Supply Current I- All channels on or off, VIN = 0V or 5V TA = +25°C 15 -1 -0.0001 V µA 1 µA IGND TA = TMIN to TMAX All channels on or off, VIN = 0V or 5V Turn-On Time tON Figure 1, VS = 8V TA = +25°C 300 400 ns Turn-Off Time tOFF Figure 1, VS = 8V TA = +25°C 60 200 ns CL = 1nF, VGEN = 0V, TA = +25°C 5 10 pC Ground Current -5 30 100 -100 +5 µA -15 DYNAMIC Charge Injection Q Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. Note 3: Guaranteed by design. Note 4: On resistance match between channels and flatness are guaranteed only with bipolar-supply operation. Note 5: See Figure 3. Off Isolation = 20 log10 VCOM VNC _ or VNO_ , VCOM = output, VNC or NO = input to off switch. Note 6: Between any two switches. See Figure 4. 4 _______________________________________________________________________________________ Precision, Quad, SPST Analog Switches SWITCHING THRESHOLD vs. BIPOLAR SUPPLY VOLTAGE OFF LEAKAGE CURRENTS ON LEAKAGE CURRENTS 2 4 3.5 3.0 2 TA = +125°C 1 TA = +85°C 0 1 2.5 TA = +125°C 0 -1 -15 VNC, VNO ,VCOM (V) 0 VNC, VNO, VCOM (V) ON RESISTANCE vs. VCOM AND UNIPOLAR SUPPLY VOLTAGE ON RESISTANCE vs. VCOM AND BIPOLAR SUPPLY VOLTAGE -15 0 15 2.0 MIN 1.5 0.5 V+ = 15V V- = -15V -2 MAX TA = +85°C V+ = 15V V- = -15V -1 VIN (V) INC_, INO_, ICOM (nA) INC_, INO_, ICOM (nA) 3 0 15 ±5 ±10 ±15 ±20 BIPOLAR SUPPLY VOLTAGE (V) ON RESISTANCE vs. VCOM AND BIPOLAR VOLTAGE AND TEMPERATURE 250 V+ = 15V, V- = -15V 180 225 200 120 150 100 125 V+ = 10V 100 ±5V 120 RON (Ω) 150 RON (Ω) RON (Ω) 175 90 V+ = 15V 50 TA = +25°C 40 30 V+ = 20V 25 20 ±20V 0 0 0 5 10 15 -20 20 -10 0 +10 TA = -55°C 0 +20 -14 -7 0 7 14 VCOM (V) VCOM (V) VCOM (V) ON RESISTANCE vs. VCOM AND UNIPOLAR SUPPLY VOLTAGE AND TEMPERATURE SWITCHING TIME vs. BIPOLAR SUPPLY VOLTAGE SWITCHING TIMES vs. UNIPOLAR SUPPLY VOLTAGE 150 240 350 200 300 V- = 0V TA = +125°C 125 TA = +25°C TA = -55°C 120 TIME (ns) 75 250 160 TIME (ns) 100 RON (Ω) TA = +125°C 60 ±10V ±15V 60 75 80 t ON 80 50 V+ = 12V V- = 0V 40 0 4 8 VCOM (V) 12 t ON t OFF 50 0 0 150 100 t OFF 25 200 ±5 ±10 ±15 BIPOLAR SUPPLY VOLTAGE (V) ±20 0 10 15 20 UNIPOLAR SUPPLY VOLTAGE (V) _______________________________________________________________________________________ 24 5 MAX361/MAX362 __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) ____________________________Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) CHARGE INJECTION vs. VCOM VOLTAGE 40 CHARGE INJECTION vs. VCOM VOLTAGE V+ = 15V V- = -15V CL = 1nF V+ = 12V V- = 0V CL = 1nF 10 20 Q (pC) Q (pC) MAX361/MAX362 Precision, Quad, SPST Analog Switches 0 0 -20 -10 -14 -10 0 10 0 14 VCOM (V) 5 VCOM (V) 10 12 ______________________________________________________________Pin Description PIN NAME DIP/SO QFN 1, 16, 9, 8 15, 14, 7, 6 IN1–IN4 2, 15, 10, 7 16, 13, 8, 5 COM1–COM4 Analog-Switch Drain Terminal 3, 14, 11, 6 1, 12, 9, 4 NO1–NO4 or NC1–NC4 NC (normally closed, MAX361) NO (normally open, MAX362) Analog-Switch Terminal 4 2 V- Negative-Supply Voltage Input 5 3 GND 12 10 N.C. 13 11 V+ NAME FUNCTION Logic Control Input Ground No Connection. Not internally connected Positive-Supply Voltage Input—Connected to Substrate ___________Applications Information Operation with Supply Voltages Other Than ±15VO Using supply voltages other than ±15V is reduces the analog signal range. The MAX361/MAX362 switches operate with bipolar supplies of ±4.5V to ±20V. Typical operating characteristic graphs show typical on resistance for ±15V, ±10V, and ±5V supplies. Switching times increase by a factor of two or more for ±5V operation. The MAX361/MAX362 can also operate from +10V to +30V unipolar supplies. Both parts can also be powered from unbalanced supplies such as +24V and -5V. Connect V- to 0V when operating with a single supply. 6 Proper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maximum ratings, because stresses beyond the listed ratings may cause permanent damage to the devices. Always sequence V+ on first, followed by V-, and logic inputs. If power-supply sequencing is not possible, add two small signal diodes in series with the supply pins for overvoltage protection (Figure 6). Adding the diodes reduces the analog signal range to 1V below V+ and 1V below V-, but low switch resistance and low leakage characteristics are unaffected. Device operation is unchanged, and the difference from V+ to Vshould not exceed +44V. _______________________________________________________________________________________ Precision, Quad, SPST Analog Switches MAX361/MAX362 +15V LOGIC INPUT +3V SWITCH INPUT tf < 20ns tr < 20ns 50% SWITCH OUTPUT V+ NO_ OR NC_ VO 1N_ 0V SWITCH V INPUT COM COM_ VCOM 35pF RL tOFF VO 0.8VO 0.8VO GND LOGIC INPUT +3V V- -15V 0V REPEAT TEST FOR CHANNELS 2, 3, AND 4. tON FOR LOAD CONDITIONS, SEE SPECIFICATIONS CL (INCLUDES FIXTURE AND STRAY CAPACITANCE) RL VO = VCOM RL + RON LOGIC INPUT WAVEFORM IS INVERTED FOR SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE. Figure 1. Switching-Time Test Circuit ∆VO +15V RGEN V+ COM_ VO NO_ OR NC_ VO CL VGEN GND IN_ IN_ MAX361 OFF ON OFF OFF ON OFF V-15V VIN = +3V IN_ Q = ∆VO × CL MAX362 Figure 2. Charge-Injection Test Circuit +15V C C V+ SIGNAL GENERATOR 10dBm COM1 50Ω NC1 OR NO1 RGEN = 50Ω 0.8V, 2.4V V+ 10dBm COM RGEN = 50Ω IN2 IN1 NC2 OR NO2 ANALYZER SIGNAL GENERATOR +15V GND COM2 V- RL IN_ 0.8V, 2.4V ANALYZER C GND V- RL -15V Figure 3. Crosstalk Test Circuit (repeat for channels 3 and 4) 0.8V, 2.4V NC_ OR NO_ C -15V Figure 4. Off-Isolation Test Circuit _______________________________________________________________________________________ 7 MAX361/MAX362 Precision Quad SPST Analog Switches V+ +15V C V+ +V COM_ METER IMPEDANCE ANALYZER OR EQUIVALENT COM_ IN_ f = 1MHz GND V- NC_ OR NO_ 0.8V, 2.4V NO_ OR NC_ Vg C -15V V- Figure 5. Channel Capacitance Test Circuit Figure 6. Overvoltage Protection Using Blocking Diodes ___________________Chip Topography COM1 IN1 IN2 Pin Configurations (continued) TOP VIEW COM2 NO2 NO1 V- 0.091" (2.31mm) N.C. NC11 1 V- 2 COM1 IN1 IN2 COM2 16 15 14 13 V+ GND NO4 IN4 IN3 0.071" (1.80mm) NC2 11 V+ MAX361 GND 3 10 N.C. NC4 4 9 NC3 NO3 COM4 12 COM3 5 6 7 8 COM4 IN4 IN3 COM3 COM1 IN1 IN2 COM2 16 15 14 13 NO1 1 12 NO2 V- 2 11 V+ GND 3 10 N.C. NO4 4 9 NO3 MAX362 TRANSISTOR COUNT: 126; SUBSTRATE CONNECTED TO V+. 8 5 6 7 8 COM4 IN4 IN3 COM3 _______________________________________________________________________________________ Precision Quad SPST Analog Switches _______________________________________________________________________________________ 9 MAX361/MAX362 Package Information Precision Quad SPST Analog Switches MAX361/MAX362 Package Information (continued) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.