19-0272; Rev 1; 9/01 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ____________________________Features ♦ On-Resistance, <400Ω max These muxes feature extremely low off leakages (less than 20pA at +25°C), and extremely low on-channel leakages (less than 50pA at +25°C). The new design offers guaranteed low charge injection (1.5pC typ) and electrostatic discharge (ESD) protection greater than 2000V, per method 3015.7. These improved muxes are pin-compatible upgrades for the industry-standard DG508A and DG509A. For similar Maxim devices with lower leakage and charge injection but higher on-resistance, see the MAX328 and MAX329. The MAX338/MAX339 operate from a single +4.5V to +30V supply or from dual supplies of ±4.5V to ±20V. All control inputs (whether address or enable) are TTL compatible (+0.8V to +2.4V) over the full specified temperature range and over the ±4.5V to ±18V supply range. These parts are fabricated with Maxim’s 44V silicon-gate process. ♦ Plug-In Upgrade for Industry-Standard DG508A/DG509A ________________________Applications Data-Acquisition Systems Sample-and-Hold Circuits Test Equipment Heads-Up Displays Military Radios Communications Systems ♦ Transition Time, <500ns ♦ On-Resistance Match, <10Ω ♦ NO-Off Leakage Current, <20pA at +25°C ♦ 1.5pC Charge Injection ♦ Single-Supply Operation (+4.5V to +30V) Bipolar-Supply Operation (±4.5V to ±20V) ♦ Rail-to-Rail Signal Handling ♦ TTL/CMOS-Logic Compatible ♦ ESD Protection >2000V, per Method 3015.7 ______________Ordering Information PART TEMP. RANGE MAX338CPE 0°C to +70°C 16 Plastic DIP PIN-PACKAGE MAX338CSE MAX338C/D MAX338EGE MAX338EPE MAX338ESE MAX338EJE MAX338MJE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C 16 Narrow SO Dice* 16 QFN 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP** Ordering Information continued at end of data sheet. * Contact factory for dice specifications. ** Contact factory for availability. Guidance and Control Systems PBX, PABX _____________________Pin Configurations/Functional Diagrams/Truth Tables V+ V- GND TOP VIEW NO1 A0 1 16 A1 EN 2 15 A2 V- 3 14 GND NO4 13 V+ NO5 NO2 5 12 NO5 NO6 NO3 6 11 NO6 NO7 NO4 7 10 NO7 MAX338 NO1 4 COM 8 9 DIP/SO Continued at end of data sheet. NO2 NO3 COM NO8 CMOS DECODE LOGIC NO8 A2 A1 A0 EN MAX338 8-CHANNEL SINGLE-ENDED MULTIPLEXER ________________________________________________________________ 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 MAX338/MAX339 _______________General Description The MAX338/MAX339 are monolithic, CMOS analog multiplexers (muxes). The 8-channel MAX338 is designed to connect one of eight inputs to a common output by control of a 3-bit binary address. The dual, 4channel MAX339 is designed to connect one of four inputs to a common output by control of a 2-bit binary address. Both devices can be used as either a mux or a demux. On-resistance is 400Ω max, and the devices conduct current equally well in both directions. MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ABSOLUTE MAXIMUM RATINGS Voltage Referenced to VV+ ............................................................................-0.3V, 44V GND .........................................................................-0.3V, 25V Digital Inputs, NO, COM (Note 1)...........(V- - 2V) to (V+ + 2V) or 30mA (whichever occurs first) Continuous Current (any terminal) ......................................30mA Peak Current, NO or COM (pulsed at 1ms, 10% duty cycle max) ..........................100mA Continuous Power Dissipation (TA = +70°C) 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 MAX33_C__ ........................................................0°C to +70°C MAX33_E__......................................................-40°C to +85°C MAX33_MJE ..................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C Signals on NO, COM, EN, A0, A1, or A2 exceeding V+ or V- are clamped by internal diodes. Limit forward current to maximum current ratings. Note 1: 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, VAH = +2.4V, VAL = +0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL MIN CONDITIONS TYP MAX (Note 2) UNITS SWITCH Analog Signal Range On-Resistance VNO, VCOM RON On-Resistance Matching Between Channels ∆RON NO-Off Leakage Current (Note 5) INO(OFF) COM-Off Leakage Current (Note 5) (Note 3) -15 INO = 0.2mA, VCOM = ±10V TA = +25°C INO = 0.2mA, VCOM = ±10V (Note 4) TA = +25°C VCOM = +10V, VNO = ±10V, VEN = 0V TA = +25°C VNO = ±10V, VCOM = +10V, MAX338 VEN = 0V TA = +25°C VNO = +10V, VCOM = ±10V, MAX339 VEN = 0V TA = +25°C ICOM(OFF) 220 TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX M M M COM-On Leakage Current (Note 5) 2 ICOM(ON) TA = TMIN to TMAX C, E M TA = +25°C TA = TMIN to TMAX C, E M Ω nA 0.05 3.25 -40 40 0.005 -1.65 0.05 nA 1.65 -20 20 0.006 0.05 -3.25 3.25 -40 40 -0.05 Ω 20 0.005 -3.25 -0.05 V 0.02 1.25 -20 -0.05 C, E 0.001 -1.25 -0.05 C, E 10 5 15 -0.02 C, E 400 500 4 1.5 TA = +25°C VCOM = ±10V, MAX338 VNO = ±10V, sequence each switch MAX339 on 15 0.008 0.05 -1.65 1.65 -20 20 _______________________________________________________________________________________ nA 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers (V+ = +15V, V- = -15V, GND = 0V, VAH = +2.4V, VAL = +0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX (Note 2) UNITS INPUT Input Current with Input Voltage High IAH VA = 2.4V or 15V -1.0 Input Current with Input Voltage Low IAL VEN = 0V or 2.4V, VA = 0V -1.0 SUPPLY Power-Supply Range ±4.5 VEN = VA = 0V Positive Supply Current Negative Supply Current 0.001 I+ I- VEN = 2.4V, VA(ALL) = 2.4V VEN = 0V or 2.4V, VA(ALL) = 0V, 2.4V or 5V DYNAMIC Transistion Time Break-Before-Make Interval tTRANS tOPEN Figure 2 Figure 4 Enable Turn-On Time tON(EN) Figure 3 Enable Turn-Off Time tOFF(EN) Figure 3 TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C TA = +25°C TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX 50 290 -1 -10 10 200 140 160 100 1.0 µA 1.0 µA ±20 100 150 500 600 1 10 V 500 500 750 500 750 µA µA µA ns ns ns ns CL = 100pF, VNO = 0V, RS = 0Ω, Figure 6 TA = +25°C 1.5 VISO VEN = 0V, RL = 1kΩ, f = 100kHz TA = +25°C -75 dB Crosstalk Between Channels VCT VEN = 2.4V, f = 100kHz, VGEN = 1VP-P, RL = 1kΩ, Figure 7 TA = +25°C -92 dB Logic Input Capacitance CIN f = 1MHz TA = +25°C 2 pF f = 1MHz, VEN = VNO = 0V, Figure 8 TA = +25°C 3 pF Charge Injection (Note 3) Q Off Isolation (Note 6) NO-Off Capacitance COM-Off Capacitance COM-On Capacitance CNO(OFF) f = 1MHz, VEN = 0.8V, CCOM(OFF) VCOM = 0V, Figure 8 f = 1MHz, VEN = 2.4V, CCOM(ON) VCOM = 0V, Figure 8 MAX338 pC 11 TA = +25°C MAX339 pF 6 MAX338 16 TA = +25°C MAX339 5 pF 9 _______________________________________________________________________________________ 3 MAX338/MAX339 ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ELECTRICAL CHARACTERISTICS—Single Supply (V+ = +12V, V- = 0V, GND = 0V, VAH = +2.4V, VAL = +0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX (Note 2) UNITS SWITCH Analog Signal Range On-Resistance VNO, VCOM RON (Note 3) INO = 0.2mA VCOM = 3V or 10V 0 12 V TA = +25°C 460 650 Ω TA = +25°C 210 500 ns TA = +25°C 280 500 ns TA = +25°C 110 500 ns TA = +25°C 1.8 5 pC DYNAMIC Transition Time (Note 3) tTRANS Enable Turn-On Time (Note 3) tON(EN) Enable Turn-Off Time (Note 3) tOFF(EN) Charge Injection (Note 3) Q VNO1 = 8V, VNO8 = 0V, VIN = 2.4V, Figure 1 VINH = 2.4V, VINL = 0V, VNO1 = 5V, Figure 3 VINH = 2.4V, VINL = 0V, VNO1 = 5V, Figure 3 CL = 100pF, VNO = 0V, RS = 0Ω 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: ∆RON = RON(MAX) - RON(MIN). Note 5: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C. Note 6: Worst-case isolation is on channel 4 because of its proximity to the drain pin. Off isolation = 20log VCOM/VNO, where VCOM = output and VNO = input to off switch. 4 _______________________________________________________________________________________ 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ON-RESISTANCE vs. VCOM (DUAL SUPPLIES) V+ = +15V V- = -15V +125°C 1200 300 RON (Ω) ±15V 300 +25°C 200 200 600 +12V +15V 400 100 100 +20V 200 0 0 -5 0 5 10 15 20 -15 -10 -5 VCOM (V) +125°C +85°C +25°C 300 -55°C 200 V+ = +15V V- = -15V 1 ICOM (OFF) 0.1 15 V+ = +15V V- = -15V 100 1 0.1 ICOM (ON) INO (OFF) 0.001 0.0001 -55 -35 -15 5 25 45 65 -55 -35 -15 85 105 125 25 45 5 65 85 105 125 VCOM (V) TEMPERATURE (°C) TEMPERATURE (°C) CHARGE INJECTION vs. VCOM SUPPLY CURRENT vs. TEMPERATURE TRANSITION TIME vs. POWER SUPPLIES 100 ±15V I+, I- (µA) +12V 0 800 700 1 0.1 -10 0.01 -30 0.001 SINGLE SUPPLY 600 500 400 300 I-20 RL = 1kΩ 900 10 +5V 10 I+, VA = 0V 1000 tTRANS (nS) 20 I+, VA(ALL) = 2.4V MAX338/9 TOC-09 CL = 100pF V- = 0V MAX338/9 TOC-08 1000 MAX338/9 TOC-07 40 20 10 0.01 0.0001 10 15 1000 0.01 0 30 10 ON LEAKAGE vs. TEMPERATURE 10 0.001 5 5 VCOM (V) MAX338/9 TOC-05 100 100 0 0 15 OFF LEAKAGE vs. TEMPERATURE OFF LEAKAGE (nA) V+ = +15V V- = 0V 400 10 1000 MAX338/9 TOC-04 700 500 5 VCOM (V) ON-RESISTANCE vs. VCOM OVER TEMPERATURE (SINGLE SUPPLY) 600 0 MAX338/9 TOC-06 -15 -10 ON LEAKAGE (nA) 0 -20 RON (Ω) 800 -55°C ±20V Qj (pC) +5V 1000 +85°C ±10V RON (Ω) RON (Ω) 400 MAX338/9 TOC-03 ±5V 1400 MAX338/9 TOC-02 400 MAX338/9 TOC-01 600 500 ON-RESISTANCE vs. VCOM (SINGLE SUPPLY) ON-RESISTANCE vs. VCOM OVER TEMPERATURE (DUAL SUPPLIES) DUAL SUPPLIES 200 100 -15 -10 -5 0 VCOM (V) 5 10 15 0 -55 -35 -15 5 25 45 65 TEMPERATURE (°C) 85 105 125 0 ±5 OR 5V ±10 OR 10V (SINGLE) (SINGLE) ±15 ±20 SUPPLY VOLTAGE (V) _______________________________________________________________________________________ 5 MAX338/MAX339 __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ______________________________________________________________Pin Description PIN MAX338 NAME MAX339 DIP/SO FUNCTION DIP/SO QFN QFN 1, 15, 16, 15, 14, 13 — — A0, A2, A1 Address Inputs — — 1, 16 15, 14 A0, A1 Address Inputs 2 16 2 16 EN Enable 3 1 3 1 V- Negative-Supply Voltage Input 4–7 2–5 — — NO1–NO14 Analog Inputs—Bidirectional — — 4–7 2–5 NO1A–NO4A Analog Inputs—Bidirectional Analog Output—Bidirectional 8 6 — — COM — — 8, 9 6, 7 COMA, COMB 9–12 7–10 — — NO8–NO5 Analog Outputs—Bidirectional Analog Inputs—Bidirectional — — 10–3 8–11 NO4B–NO1B Analog Inputs—Bidirectional 13 11 14 12 V+ Positive-Supply Voltage Input 14 12 15 13 GND Ground __________Applications Information V+ Operation with Supply Voltages Other than 15V Using supply voltages less than ±15V will reduce the analog signal range. The MAX338/MAX339 switches operate with ±4.5V to ±20V bipolar supplies or with a +4.5V to +30V single supply. Connect V- to GND when operating with a single supply. Both device types can also operate with unbalanced supplies such as +24V and -5V. The Typical Operating Characteristics graphs show typical on-resistance with 20V, 15V, 10V, and 5V supplies. (Switching times increase by a factor of two or more for operation at 5V.) Overvoltage Protection 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, then V-, followed by the logic inputs NO and COM. If power-supply sequencing is not possible, add two small signal diodes in series with supply pins for overvoltage protection (Figure 1). Adding diodes reduces the analog signal range to 1V below V+ and 1V above V-, but does not affect the devices’ low switch resistance and low leakage characteristics. Device operation is unchanged, and the difference between V+ and V- should not exceed 44V. 6 NO COM Vg V- Figure 1. Overvoltage Protection Using External Blocking Diodes _______________________________________________________________________________________ 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers +15V V+ NO1 A2 A1 ±10V NO2-NO7 A0 MAX338 NO8 EN +10V COM GND VOUT V- LOGIC INPUT 10pF 50Ω -15V VNO1 SWITCH OUTPUT VOUT V+ NO1B A1 50% 0V 1k +15V ±10V 90% 0V A0 90% NO1A-NO4A EN VNO8 NO4B MAX339 +10V ON VOUT 50Ω tTRANS tTRANS COMB V- GND tr < 20ns tf < 20ns +3V ON 10pF 1k -15V Figure 2. Transition Time +15V V+ EN NO1 -5V NO2-NO8 A0 MAX338 A1 A2 COM GND 50Ω VOUT V- 10pF 1k LOGIC INPUT tON(EN) -15V NO1B 10% SWITCH OUTPUT VOUT -5V NO1A-NO4A, NO2B-NO4B, COMA 90% VO MAX339 A1 50Ω tOFF(EN) 0V V+ A0 50% 0V +15V EN tr < 20ns tf < 20ns +3V GND COMB V- VOUT 1k 35pF -15V Figure 3. Enable Switching Time _______________________________________________________________________________________ 7 MAX338/MAX339 ______________________________________________Test Circuits/Timing Diagrams MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers _________________________________Test Circuits/Timing Diagrams (continued) +15V +2.4V V+ EN NO1-NO8 LOGIC INPUT +5V tr < 20ns tf < 20ns +3V 50% 0V A0 A1 VOUT MAX338 80% A2 COM GND SWITCH OUTPUT VOUT V- 10pF tOPEN 0V 1k 50Ω -15V Figure 4. Break-Before-Make Interval +15V RS V+ NO LOGIC INPUT EN VS CHANNEL SELECT OFF ON OFF 0V A0 COM A1 A2 +3V VOUT MAX338 CL = 100pF GND V- ∆VOUT VOUT ∆VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF. -15V Q = CL x ∆VOUT Figure 5. Charge Injection 8 _______________________________________________________________________________________ 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers +15V +15V VOUT VIN NO1 RS = 50Ω V+ A1 COM MAX338 EN 10nF OFF ISOLATION = 20log VOUT RL= 1k NO8 RS = 50Ω A0 MAX338 COM A1 RL 1k A2 GND V+ NO1 NO2 NO8 A0 10nF 10nF A2 V- GND EN 10nF -15V VOUT VIN CROSSTALK = 20log Figure 6. Off Isolation V- -15V VOUT VIN Figure 7. Crosstalk +15V V+ NO1 A2 CHANNEL SELECT Meter MAX338 A1 NO8 A0 GND EN COM V- Impedance Analyzer f = 1MHz -15V Figure 8. NO/COM Capacitance _______________________________________________________________________________________ 9 MAX338/MAX339 _________________________________Test Circuits/Timing Diagrams (continued) MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers ________Pin Configurations/Functional Diagrams/Truth Tables (continued) TOP VIEW V+ A0 1 16 A1 NO1A EN 2 15 GND NO2A V- 3 14 V+ NO3A NO1A 4 MAX339 13 NO1B NO2A 5 12 NO2B NO3A 6 11 NO3B NO4A 7 10 N04B COMA 8 9 COMB V- GND COMA NO4A NO1B NO2B COMB NO3B NO4B DIP/SO CMOS DECODE LOGIC A1 EN A0 MAX339 8-CHANNEL SINGLE-ENDED MULTIPLEXER A2 A1 A0 EN ON SWITCH X X X 0 None 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 MAX338 A1 A0 EN ON SWITCH X X 0 None 0 0 1 1 0 1 1 2 1 0 1 3 1 1 1 4 MAX339 LOGIC “0” VAL ≤ 0.8V, LOGIC “1” VAH ≥ 2.4V LOGIC “0” VAL ≤ 0.8V, LOGIC “1” VAH ≥ 2.4V 10 ______________________________________________________________________________________ 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers TEMP. RANGE PIN-PACKAGE MAX339CPE PART 0°C to +70°C 16 Plastic DIP MAX339CSE MAX339C/D MAX339EGE MAX339EPE MAX339ESE MAX339EJE MAX339MJE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C 16 Narrow SO Dice* 16 QFN 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP** MAX338/MAX339 _Ordering Information (continued) * Contact factory for dice specifications. ** Contact factory for availability. Pin Configurations/Functional Diagrams/Truth Tables (continued) TOP VIEW V- 1 NO1 EN A0 A1 A2 EN A0 A1 GND 16 15 14 13 16 15 14 13 LOGIC 12 GND V- 1 2 11 V+ NO1A NO2 3 10 NO5 NO3 4 9 NO6 LOGIC 12 V+ 2 11 NO1B NO2A 3 10 NO2B NO3A 4 9 NO3B 5 6 7 8 5 6 7 8 NO4 COM NO8 NO7 NO4A COMA COMB NO4B MAX338 MAX339 ______________________________________________________________________________________ 11 MAX338/MAX339 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers __________________________________________________________Chip Topographies MAX338 EN A0 A1 A2 MAX339 EN GND A0 A1 N.C. GND V+ V+ V- VNO1 NO5 NO1A NO1B NO2 NO6 NO2A NO2B NO3 N.C. 0.114" (2.89mm) NO3A NO3B 0.114" (2.89mm) NO4 N07 NO4A N04B COMA COMB COM NO8 0.078" (1.98mm) 0.078" (1.98mm) N.C. = NO INTERNAL CONNECTION TRANSISTOR COUNT: 224 SUBSTRATE IS INTERNALLY CONNECTED TO V+ 12 TRANSISTOR COUNT: 224 SUBSTRATE IS INTERNALLY CONNECTED TO V+ ______________________________________________________________________________________ 8-Channel/Dual 4-Channel, Low-Leakage, CMOS Analog Multiplexers 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. MAX338/MAX339 _______________________________________________________Package Information