Precision, Quad, SPST Analog Switches
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1 9-8; Rev ; 9/ Precision, Quad, SPST Analog Switches General Description The are precision, quad, single-pole single-throw (SPST) analog switches. The MAX364 has four normally closed (N), and the MAX365 has four normally open (NO) switches. Both parts offer lowchannel on resistance (less than 85Ω), guaranteed to match within 2Ω between channels and to remain flat over the analog signal range ( 9Ω max). Both parts also offer low leakage (less than 5pA at +25 and less than 4nA at +85 ) and fast switching (turn-on time less than 25ns and turn-off time less than 7ns). The are fabricated with Maxim s new improved 44V silicon-gate process. Design improvements guarantee extremely low charge injection (p), low power consumption (35µW), and electrostatic discharge (ESD) greater than 2V. The 44V maximum breakdown voltage allows rail-to-rail analog signal handling capability. These monolithic switches operate with a single positive supply (+V to +3V) or with split supplies (±4.5V to ±2V) while retaining MOS-logic input compatibility and fast switching. MOS inputs provide reduced input loading. Applications Sample-and-Hold ircuits ommunication Systems Guidance and ontrol Systems Battery-Operated Systems Heads-Up Displays PBX, PABX Test Equipment Military Radios Features Low On Resistance: < 45Ω Typical (85Ω Max) Guaranteed Matched On Resistance Between hannels: < 2Ω Guaranteed Flat On Resistance over Full Analog Signal Range: 9Ω Max Guaranteed harge Injection: < p Guaranteed Off-hannel Leakage: < 4nA at +85 ESD Guaranteed > 2V per Method 35.7 Single-Supply Operation (+V to +3V) Bipolar-Supply Operation (±4.5V to ±2V) TTL-/MOS-Logic ompatible Rail-to-Rail Analog Signal Handling apability Ordering Information PART TEMP. RANGE PIN-PAKAGE MAX364PE to +7 6 Plastic DIP MAX364SE to +7 6 Narrow SO MAX364/D to +7 Dice* MAX364EGE -4 to QFN MAX364EPE -4 to Plastic DIP MAX364ESE -4 to Narrow SO MAX365PE to +7 6 Plastic DIP MAX365SE to +7 6 Narrow SO MAX365/D to +7 Dice* MAX365EGE -4 to QFN MAX365EPE -4 to Plastic DIP MAX365ESE -4 to Narrow SO * ontact factory for dice specifications. Pin onfigurations/functional Diagrams/Truth Tables TOP VIEW 6 IN2 6 IN2 OM 2 5 OM2 OM 2 5 OM2 N 3 4 N2 NO 3 4 NO MAX MAX365 2 N4 6 N3 NO4 6 NO3 OM4 7 OM3 OM4 7 OM3 IN4 8 9 IN3 IN4 8 9 IN3 DIP/SO DIP/SO Pin onfigurations continued at end of data sheet. MAX364 LOGI SWITH ON OFF SWITHES SHOWN FOR LOGI "" INPUT MAX365 LOGI SWITH OFF ON Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at , or visit Maxim s website at
2 ABSOLUTE MAXIMUM RATINGS Voltage Referenced to...44v...25v...( -.3V) to ( +.3V), OM_, NO_, or N_...( - 2V) to ( + 2V) or 3mA...(whichever occurs first) ontinuous urrent (any terminal)...3ma Peak urrent OM_, NO_, or N_ (pulsed at ms, % duty cycle max)...ma ESD...2V Note : All leads are soldered or welded to P board. ontinuous Power Dissipation (T A = +7 ) (Note ) Plastic DIP (derate.53mw/ above +7 )...842mW QFN (derate 9.2mW/ above +7 )...538mW Narrow SO (derate 8.7mW/ above +7 )...696mW Operating Temperature Ranges: MAX36... to +7 MAX36_E...-4 to +85 Storage Temperature Range to +5 Lead Temperature (soldering, s)...+3 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. ELETRIAL HARATERISTIS Dual Supplies ( = 5V, = -5V, = 5V, = V, V INH = 2.4V, V INL =.8V, T A = T MIN to T MAX, unless otherwise noted.) PARAMETER SYMBOL ONDITIONS MIN TYP MAX (Note 2) UNITS ANALOG V OM_, Analog-Signal Range V NO_, (Note 3) -5 5 V V N OM_ to NO_ or N, 5 85 On Resistance R I OM = -ma, ON V OM = 8.5V or -8.5V, = 3.5V, = -3.5V T A = T MIN to T MAX On Resistance Match Between hannels (Note 4) On Resistance Flatness (Note 4) N_ or NO_ Leakage urrent OM_ Off Leakage urrent OM_, N_ or NO_ On Leakage urrent INPUT Input urrent with Input Voltage High Input urrent with Input Voltage Low I OM = -ma, 2 R ON V OM = V or -V, = 5V, = -5V T A = T MIN to T MAX 4 I OM = -ma, 9 R ON V OM = 5V or -5V, = 5V, = -5V T A = T MIN to T MAX 5 INO_, IN INO, IN I OM or I NO, I N NO_ or N_ terminal, V OM = ±5.5V, V NO or V N = +5.5V, = 6.5V, = -6.5V OM_ terminal, V NO or V N = ±5.5V, V OM = +5.5V, = 6.5V, = -6.5V OM_ to N_ or NO_ V OM = ±5.5V, V NO or V N = ±5.5V, = 6.5V, = -6.5V T A = T MIN to T MAX T A = T MIN to T MAX T A = T MIN to T MAX I INH V = 2.4V, all others =.8V A I INL V =.8V, all others = 2.4V A na na na 2
3 ELETRIAL HARATERISTIS Dual Supplies (continued) ( = 5V, = -5V, = 5V, = V, V INH = 2.4V, V INL =.8V, T A = T MIN to T MAX, unless otherwise noted.) PARAMETER SYMBOL ONDITIONS MIN TYP MAX (Note 2) UNITS SUPPLY Power-Supply Range, ±4.5 ±2. V -. Positive Supply urrent I+ V IN = V or 5V, = 6.5V, = -6.5V T A = T MIN to T MAX Negative Supply urrent I- V IN = V or 5V, = 6.5V, = -6.5V T A = T MIN to T MAX V IN = V or 5V, Logic Supply urrent I L = 6.5V, = -6.5V T A = T MIN to T MAX Ground urrent V IN = V or 5V, I = 6.5V, = -6.5V T A = T MIN to T MAX -5 5 DYNAMI Turn-On Time t ON V NO or V N = ±V, Figure ns MAX364, V NO or V N = ±V, Figure ns Turn-Off Time t OFF MAX365, V NO or V N = ±V, Figure 2 7 ns harge Injection Q L = nf, V GEN = V, R GEN = Ω, Figure 3 5 p Off Isolation (Note 5) OIRR R L = 5Ω, L = 5pF, f = MHz, Figure 4 6 db rosstalk (Note 6) RL - 5Ω, L = 5pF, f = MHz, Figure 5 db N_ or NO_ Off apacitance (OFF) f = MHz, Figure 6 4 pf OM_ Off apacitance OM(OFF) f = MHz, Figure 6 4 pf hannel-on apacitance OM(ON) f = MHz, Figure 6 6 pf 3
4 ELETRIAL HARATERISTIS Single Supply ( = 2V, = V, = 5V, = V, V INH = 2.4V, V INL =.8V, T A = T MIN to T MAX, unless otherwise noted.) ANALOG PARAMETER SYMBOL ONDITIONS MIN TYP MAX (Note 2) V OM_, Analog Signal Range V NO_, (Note 3) 2 V V N_ On Resistance SUPPLY Power-Supply Range R ON, OM_ to NO_ or N_, I N or I NO = -ma, = 5.25V, V OM = 3V, 8V, =.8V T A = T MIN to T MAX Power-Supply urrent I+ -. V IN = V or 5V T A = T MIN to T MAX -5 5 Negative Supply urrent I V IN = V or 5V T A = T MIN to T MAX -5 5 Logic Supply urrent I L -. V IN = V or 5V T A = T MIN to T MAX -5 5 Ground urrent I - -. V IN = V or 5V T A = T MIN to T MAX -5 5 DYNAMI Turn-On Time t ON V N or V NO = 8V, Figure ns Turn-Off Time t OFF V N or V NO = 8V, Figure ns harge Injection Q L = nf, V GEN = V, R GEN = Ω, Figure 3 5 p UNITS Ω V 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. V Note 5: See Figure 2. Off Isolation = 2 log OM, V OM = output, V NO or V N = input to off switch. V N or V NO Note 6: Between any two switches. See Figure 5. 4
5 Typical Operating haracteristics (, unless otherwise noted.) IOM (na) 2 - ON LEAKAGE URRENTS T A = +25 T A = +85 I S(ON) + I D(ON) = 5V = -5V V N, V NO, V OM (V) MAX7864/5- I N or I NO (na) - OFF LEAKAGE URRENTS T A = +85 T A = +25 = 5V = -5V -5 5 V N, V NO, V OM (V) MAX7864/5-2 V IN (V) SWITHING THRESHOLD vs. BIPOLAR SUPPLY VOLTAGE ±5 ± ±5 ±2 BIPOLAR SUPPLY VOLTAGE (V) MAX7864/5-3 ON RESISTANE vs. V OM AND UNIPOLAR SUPPLY VOLTAGE ON RESISTANE vs. V OM AND BIPOLAR SUPPLY VOLTAGE ON RESISTANE vs. V OM, BIPOLAR SUPPLY VOLTAGE AND TEMPERATURE 5 25 = V MAX7864/ ±5V MAX7864/5-5 8 = 5V, = -5V MAX7864/5-6 R ON (Ω) = 5V = 2V R ON (Ω) 6 3 ±V ±5V ±2V R ON (Ω) T A = +25 T A = V OM (V) -2-2 V OM (V) V OM (V) ON RESISTANE vs. V OM, UNIPOLAR SUPPLY VOLTAGE AND TEMPERATURE SWITHING TIME vs. BIPOLAR SUPPLY VOLTAGE SWITHING TIMES vs. UNIPOLAR SUPPLY VOLTAGE 5 25 T A = +25 MAX7864/5-7 6 MAX7864/5-8 2 = V MAX7864/5-9 2 t ON 5 R ON (Ω) 75 T A = -55 TIME (ns) 8 TIME (ns) t ON 5 25 = 2V = V V OM (V) 4 t OFF ±5 ± ±5 ±2 BIPOLAR SUPPLY VOLTAGE (V) 5 t OFF UNIPOLAR SUPPLY VOLTAGE (V) 5
6 Typical Operating haracteristics (, unless otherwise noted.) Q (p) 2 HARGE INJETION vs. V OM VOLTAGE =5V =-5V L =nf V OM (V) MAX7864/5- Q (p) =2V =V L =nf HARGE INJETION vs. V OM VOLTAGE V OM (V) MAX7864/5- Pin Description PIN NAME FUNTION DIP/SO QFN, 6, 9, 8 5, 4, 7, 6 N4 Logic ontrol Input 2, 5,, 7 6, 3, 8, 5 OM OM4 Analog-Switch ommon Terminal 3, 4,, 6, 2, 9, 4 N N4 or N (normally closed, MAX364) NO (normally closed, MAX365) NO NO4 Analog-Switch Terminal 4 2 Negative-Supply Voltage Input 5 3 Ground 2 V L Logic-Supply Voltage Input 3 Positive-Supply Voltage Input onnected to Substrate 6
7 Applications Information Application Hints. Switches are open when power is off. 2., OM_, NO_, and N_ should not exceed or, even with the power off. 3. Switch leakage is from each analog switch terminal to or, not to the other switch terminal. Operation with Supply Voltages Other than ±5VO The main limitation of supply voltages other than ±5V is reduction in the analog signal range. The switches operate with ±5V to ±2V bipolar supplies. The Typical Operating haracteristics graphs show typical on resistance for ±5V, ±V, and ±5V supplies. Switching times increase by a factor of two or more for ±5V operation. The operate from unipolar supplies of +V to +24V. Both parts can be powered from a single +V to +24V supply, as well as from unbalanced supplies, such as +24V and -5V. onnect to V when operating with a single supply. must be connected to +5V to be TTL compatible or to for MOS logic input levels. Overvoltage Protection Proper power-supply sequencing is recommended for all MOS devices. It is important not to exceed the absolute maximum ratings, because stresses beyond those listed may cause permanent damage to the devices. Always sequence on first, followed by,, and logic inputs. If power-supply sequencing is not possible, protect the devices from overvoltage by V g NO_ OM_ Figure. Overvoltage Protection Using Blocking Diodes adding two small signal diodes in series with the supply pins (Figure ). Adding the diodes reduces the analog signal range to V below and V below, but low switch resistance and low leakage characteristics are unaffected. Device operation is unchanged, and the difference between to should not exceed +44V. 7
8 Test ircuits/timing Diagrams LOGI INPUT SWITH INPUT SWITH OUTPUT +3V V V OM V V O t ON 5%.8V O t OFF tf < 2ns tr < 2ns.8V O LOGI INPUT WAVEFORM IS INVERTED FOR SWITHES THAT HAVE THE OPPOSITE LOGI SENSE. SWITH INPUT LOGI INPUT +3V OM_ +5V OM_ -5V NO_ OR N_ R L REPEAT TEST FOR HANNELS 2, 3, AND 4. FOR LOAD ONDITIONS, SEE SPEIFIATIONS. L INLUDES FIXTURE AND STRAY APAITANE. V O = V OM +5V R L R L + R ON L V O Figure 2. Switching-Time Test ircuit +5V +5V V O V GEN R GEN OM_ N or NO D L V O V O MAX364 OFF ON OFF -5V V IN = +3V MAX365 OFF ON Q = V O L OFF Figure 3. harge-injection Test ircuit 8
9 Test ircuits/timing Diagrams (continued) FREQUENY TESTED +5V +5V SIGNAL GENERATOR ANALYZER Hz to 3MHz AUTOMATI SYNTHESIZER SPETRUM ANALYZER +5V +5V SIGNAL GENERATOR dbm R GEN = 5Ω ANALYZER R L OM_ N_ OR NO_ V, +2.4V SIGNAL GENERATOR dbm R GEN = 5Ω V, +2.4V ANALYZER R L OM_ N_ OR NO_ N_ OR NO_ OM_ 5Ω V, +2.4V N -5V -5V Figure 4. Off Isolation Test ircuit Figure 5. rosstalk Test ircuit +5V +5V +5V +5V METER IMPEDANE ANALYZER OR EQUIVALENT f = MHz OM_ NO_ OR N_ V, +2.4V APAITANE METER f = MHz V D OM_ NO_ OR N_ V, +2.4V -5V -5V Figure 6. OM_, N_, NO_ Off apacitance Figure 7. OM_, N_, NO_ On apacitance 9
10 Pin onfigurations/functional Diagrams (continued) OM IN2 OM2 OM IN2 OM N N MAX N2 V L N3 NO NO MAX NO2 V L NO OM4 IN4 IN3 OM3 OM4 IN4 IN3 OM3 hip Topography OM IN2 OM2 NO NO2.9" (2.3mm) NO4 OM4 NO3 IN4 IN3 OM3.7" (.8mm) TRANSISTOR OUNT: 26; SUBSTRATE ONNETED TO.
11 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to A L A2 A D D e B B A3 α E E e A e B DIM A A A2 A3 B B D D E E e e A e B L α MIN INHES MAX BS.3 BS MILLIMETERS MIN MAX BS 7.62 BS PIN PLASTI DUAL-IN-LINE PAKAGE A E H DIM A A B D E e H h L α MIN INHES MAX BS MILLIMETERS MIN MAX BS B e D B A A.27mm.4in. h x 45 L α 6-PIN PLASTI SMALL-OUTLINE (NARROW) PAKAGE
12 Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to 32L QFN.EPS 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. 2 Maxim Integrated Products, 2 San Gabriel Drive, Sunnyvale, A 9486 (48) Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
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