19-1148; Rev 0; 11/96 Quad, Low-Voltage, SPST Analog Switches with Enable ______________________________Features The MAX4536/MAX4537/MAX4538 are quad, low-voltage, single-pole/single-throw (SPST) analog switches with a common enable pin. They are pin compatible with the industry-standard 74HC4316. The MAX4536 has four normally open (NO) switches, and the MAX4537 has four normally closed (NC) switches. The MAX4538 has two NO switches and two NC switches. ♦ Pin Compatible with 74HC4316 These switches operate from a +2V to +12V single supply, or from ±2V to ±6V dual supplies. On-resistance (200Ω max) is matched between switches to 4Ω (max) and is flat (10Ω max) over the specified signal range. Each switch can handle rail-to-rail analog signals. The off-leakage current is only 1nA at +25°C and 10nA at +85°C. All digital inputs have 0.8V to 2.4V logic thresholds, ensuring TTL/CMOS-logic compatibility when using a single +5V supply or dual ±5V supplies. ♦ ±2.0V to ±6V Dual Supplies +2.0V to +12V Single Supply ♦ Four Separately Controlled SPST Switches with Common Enable ♦ 100Ω Signal Paths with Dual ±5V Supplies 200Ω Signal Paths with Single +4.5V Supply ♦ Rail-to-Rail Signal Handling ♦ tON and tOFF = 100ns and 80ns at ±4.5V Supply ♦ Less than 1µW Power Consumption ♦ >2kV ESD Protection per Method 3015.7 ♦ TTL/CMOS-Compatible Inputs ♦ Small Packages: PDIP, QSOP, Narrow SO ________________Ordering Information __________________________Applications Battery-Operated Equipment PART Low-Voltage Data Acquisition Test Equipment Avionics Portable Equipment Audio-Signal Routing TEMP. RANGE PIN-PACKAGE MAX4536CPE 0°C to +70°C 16 Plastic DIP MAX4536CSE MAX4536CEE MAX4536C/D MAX4536EPE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C 16 Narrow SO 16 QSOP Dice* 16 Plastic DIP MAX4536ESE -40°C to +85°C 16 Narrow SO MAX4536EEE -40°C to +85°C 16 QSOP Ordering Information continued at end of data sheet. *Contact factory for availability. Networking ________________________Pin Configurations/Functional Diagrams/Truth Tables COM1 1 16 V+ COM1 1 16 V+ COM1 1 16 V+ NO1 2 15 IN1 NC1 2 15 IN1 NO1 2 15 IN1 NO2 3 14 IN4 13 COM4 COM2 4 NC2 3 14 IN4 13 COM4 COM2 4 NC2 3 14 IN4 13 COM4 COM2 4 IN2 5 12 NO4 IN2 5 12 NC4 IN2 5 12 NO4 IN3 6 11 NO3 IN3 6 11 NC3 IN3 6 11 NC3 EN 7 10 COM3 EN 7 10 COM3 EN 7 10 COM3 GND 8 9 V- GND 8 9 V- GND 8 9 MAX4536 MAX4537 MAX4538 DIP/SO/QSOP DIP/SO/QSOP DIP/SO/QSOP MAX4536 MAX4537 MAX4538 SWITCHES 1, 4 OFF SWITCHES 2, 3 ON 1 ON OFF X OFF OFF SWITCH_ EN IN_ 0 ON 0 0 1 OFF 0 1 EN IN_ SWITCH_ EN IN_ 0 0 OFF 0 0 1 ON 0 1 X OFF 1 X OFF SWITCHES SHOWN FOR LOGIC “0” INPUT V- ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 MAX4536/MAX4537/MAX4538 _________________General Description ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND V+ ........................................................................-0.3V to +13.0V V- .........................................................................-13.0V to +0.3V V+ to V-................................................................-0.3V to +13.0V All Other Pins (Note 1) ..........................(V- - 0.3V) to (V+ + 0.3V) Continuous Current into Any Terminal..............................±10mA Peak Current into Any Terminal (pulsed at 1ms,10% duty cycle).....................................±20mA ESD per Method 3015.7 ..................................................>2000V Continuous Power Dissipation (TA = +70°C) (Note 2) Plastic DIP (derate 10.53mW/°C above +70°C) ............842mW Narrow SO (derate 8.70mW/°C above +70°C) ..............696mW QSOP (derate 8.00mW/°C above +70°C) ......................800mW Operating Temperature Ranges MAX453_C_ E .......................................................0°C to +70°C MAX453_E_ E ....................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C Note 1: Signals on NC_, NO_, COM_, EN, or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward-diode current to maximum current rating. Note 2: All leads are soldered or welded to PC boards. 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—±5V Dual Supplies (V+ = 4.5V to 5.5V, V- = -4.5V to -5.5V, VINH = 2.4V, VINL = 0.8V, V EN = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX (Note 3) UNITS ANALOG SWITCH Analog Signal Range COM_ NO_, COM_ NC_ On-Resistance COM_ NO_, COM_ NC_ On-Resistance Match Between Channels (Note 5) VCOM_, VNO_, VNC C, E (Note 4) RON V+ = 4.5V, V- = -4.5V, VCOM_ = 3.5V, ICOM_ = 1mA ∆RON V+ = 4.5V, V- = -4.5V, VCOM_ = 3.5V, ICOM_ = 1mA V- +25°C V+ 55 C, E 100 125 +25°C 1 C, E 4 V Ω Ω 6 COM_ NO_, COM_ NC_ On-Resistance Flatness (Note 6) RFLAT(ON) +25°C V+ = 5.0V, V- = -5.0V, VCOM_ = -3.0V, 0, +3.0V, ICOM_ = 1mA C, E NO_, NC_ Off-Leakage Current (Note 7) INO_(OFF), INC_(OFF) V+ = 5.5V, V- = -5.5V, VCOM_ = ±4.5V, VN_ _ = 4.5V +25°C -1 C, E -10 COM_ Off-Leakage Current (Note 7) ICOM_(OFF) V+ = 5.5V, V- = -5.5V, VCOM_ = ±4.5V, VN_ _ = 4.5V +25°C -1 C, E -10 COM_ On-Leakage Current (Note 7) ICOM_(ON) V+ = 5.5V, V- = -5.5V, VCOM_ = ±4.5V, VN_ _ = ±4.5V +25°C -2 C, E -20 ± ± MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable 4 10 15 0.01 1 10 0.01 1 10 0.01 2 20 Ω nA nA nA LOGIC INPUT EN, IN_ Input Logic Threshold High VINH C, E EN, IN_ Input Logic Threshold Low VINL C, E 0.8 1.4 C, E -1 0.03 EN, IN_ Input Current Logic High or Low 2 IINH_, IINL_ VIN_ = 0.8V or 2.4V 1.4 _______________________________________________________________________________________ 2.4 V V 1 µA Quad, Low-Voltage, SPST Analog Switches with Enable (V+ = 4.5V to 5.5V, V- = -4.5V to -5.5V, VINH = 2.4V, VINL = 0.8V, V EN = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX (Note 3) UNITS SWITCH DYNAMIC CHARACTERISTICS Turn-On Time tON VCOM_ = ±3V, V+ = 4.5V, V- = -4.5V (Figure 1) +25°C Turn-Off Time tOFF VCOM_ = ±3V, V+ = 4.5V, V- = -4.5V (Figure 1) +25°C Break-Before-Make Time Delay (MAX4538 Only) tBBM VCOM_ = ±3V, V+ = 5.5V, V- = -5.5V (Figure 2) +25°C CL = 1.0nF, VNO_ = 0V, RS = 0Ω +25°C 1 VNO_ = GND, f = 1MHz +25°C 2 pF Charge Injection (Figure 3) Q NO_, NC_ Off-Capacitance (Figure 6) CN_(OFF) 35 C, E 100 125 15 C, E 50 60 5 5 15 ns ns ns 5 pC COM_ Off-Capacitance (Figure 6) CCOM_(OFF) VCOM_ = GND, f = 1MHz +25°C 2 pF COM_ On-Capacitance (Figure 7) CCOM_(ON) VCOM_ = VNO_ = GND, f = 1MHz +25°C 6 pF Off-Isolation (Note 8, Figure 4) VISO RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz +25°C -65 dB Channel-to-Channel Crosstalk (Note 9, Figure 5) VCT RL = 50Ω, CL = 15pF, VN_ = 1VRMS, f = 1MHz +25°C -75 dB POWER SUPPLY Power-Supply Range V+, V- V+ Supply Current I+ V+ = 5.5V, all VIN_ = 0V or V+ V- Supply Current I- V- = -5.5V C, E -6 +25°C -1 C, E -10 +25°C -1 C, E -10 6 0.05 1 10 0.05 1 10 V µA µA _______________________________________________________________________________________ 3 MAX4536/MAX4537/MAX4538 ELECTRICAL CHARACTERISTICS—±5V Dual Supplies (continued) MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable ELECTRICAL CHARACTERISTICS—+5V Single Supply (V+ = 4.5V to 5.5V, V- = 0V, VINH = 2.4V, VINL = 0.8V, V EN = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX (Note 3) UNITS ANALOG SWITCH Analog Signal Range COM_ -NO_, COM_ -NC_ On-Resistance VCOM_, VNO_, VNC (Note 4) C, E 0 +25°C V+ 90 RON V+ = 4.5V, VCOM_ = 3.5V, ICOM_ = 1mA COM_ -NO_, COM_ -NC_ On-Resistance Match Between Channels (Note 5) ∆RON V+ = 4.5V, VCOM_ = 3.5V, ICOM_ = 1mA NO_, NC_ Off-Leakage Current (Notes 7, 10) INO_(OFF), INC_(OFF) V+ = 5.5V, VCOM_ = 1V, 4.5V, VN_ = +4.5V, 1V +25°C -1 C, E -10 COM_ Off-Leakage Current (Notes 7, 10) ICOM_(OFF) V+ = 5.5V, VCOM_ = 1V, 4.5V, VN_ = +4.5V, 1V +25°C -1 C, E -10 COM_ On-Leakage Current (Note 7, 10) ICOM_(ON) V+ = 5.5V, VCOM_ = 1V, 4.5V, +25°C -2 C, E -20 C, E 200 225 +25°C 2 C, E 8 V Ω Ω 10 0.01 1 10 0.01 1 10 0.01 2 20 nA nA nA LOGIC INPUT EN, IN_ Input Logic Threshold High VINH C, E EN, IN_ Input Logic Threshold Low VINL C, E 0.8 1.4 C, E -1 0.03 1 EN, IN_ Input Current Logic High or Low IINH_, IINL_ VIN_ = 0.8V or 2.4V 1.4 2.4 V V µA SWITCH DYNAMIC CHARACTERISTICS Turn-On Time tON VCOM_ = 3V, V+ = 4.5V (Figure 1) +25°C 50 100 C, E 20 125 Turn-Off Time tOFF VCOM_ = 3V, V+ = 4.5V (Figure 1) +25°C 80 C, E 100 Break-Before-Make Time Delay tBBM MAX4538, VCOM_ = 3V, V+ = 5.5V (Figure 2) +25°C +25°C Q CL = 1.0nF, VNO = 0V, RS = 0Ω +25°C I+ V+ = 5.5V, all VIN_ = 0V or V+ Charge Injection (Figure 3) (Note 4) 5 25 1 ns ns ns 5 pC POWER SUPPLY V+ Supply Current 4 +25°C -1 C, E -10 0.05 _______________________________________________________________________________________ 1 10 µA Quad, Low-Voltage, SPST Analog Switches with Enable (V+ = 2.7V to 3.6V, V- = 0V, VINH = 2.0V, VINL = 0.5V, V EN = 0.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX (Note 3) UNITS ANALOG SWITCH Analog Signal Range COM_ -NO_, COM_ -NC_ On-Resistance VCOM_, VNO_, VNC RON (Note 4) V+ = 2.7V, VCOM_ = 1.5V, ICOM_ = 0.1mA C, E 0 +25°C V+ 210 C, E 500 600 V Ω LOGIC INPUT EN, IN_ Input Logic Threshold High VINH C, E EN, IN_ Input Logic Threshold Low VINL C, E 0.5 0.9 C, E -1 0.03 EN, IN_ Input Current Logic High or Low IINH_, IINL_ VIN_ = 0.8V or 2.4V 0.9 2.0 V V 1 µA SWITCH DYNAMIC CHARACTERISTICS (Note 4) Turn-On Time tON VCOM_ = 1.5V, V+ = 2.7V (Figure 1) +25°C Turn-Off Time tOFF VCOM_ = 1.5V, V+ = 2.7V (Figure 1) +25°C Break-Before-Make Time Delay tBBM MAX4538, VCOM_ = 1.5V, V+ = 3.6V (Figure 2) +25°C +25°C Q CL = 1.0nF, VNO = 0V, RS = 0Ω +25°C I+ V+ = 3.6V, all VIN_ = 0V or V+ Charge Injection (Figure 3) 80 C, E 250 300 40 C, E 100 120 10 40 ns ns ns 3 pC POWER SUPPLY V+ Supply Current +25°C -1 C, E -10 0.05 1 10 µA The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Guaranteed by design. ∆RON = ∆RON(MAX) - ∆RON(MIN). Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as measured over the specified analog-signal range. Note 7: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at TA = +25°C. Note 8: Off-isolation = 20log10 [VCOM_ / (VNC_ or VNO_)], VCOM_ = output, VNC_ or VNO_ = input to off switch. Note 9: Between any two switches. Note 10: Leakage testing for single-supply operation is guaranteed by testing with dual supplies. Note 3: Note 4: Note 5: Note 6: _______________________________________________________________________________________ 5 MAX4536/MAX4537/MAX4538 ELECTRICAL CHARACTERISTICS—+3V Single Supply __________________________________________Typical Operating Characteristics (V+ = +5V, V- = -5V GND = 0V, TA = +25°C, unless otherwise noted.) V± = ±1.5V 75 65 120 V± = ±2.0V 100 RON (Ω) V± = ±3.0V V± = ±2.5V 80 55 50 60 1000 TA = +85°C 60 V+ = 1.5V V+ = 2.0V TA = +25°C V+ = 2.5V V+ = 3.0V 100 V+ = 5.0V 45 40 40 V± = ±5.0V 20 0 -5 -4 -3 -2 -1 0 1 2 3 4 V+ = 9.0V TA = -55°C 35 V- = 0V 10 30 5 -5 -4 -3 -2 -1 0 1 2 3 4 0 5 1 2 3 4 6 5 7 8 VCOM (V) VCOM (V) VCOM (V) ON-RESISTANCE vs. VCOM AND TEMPERATURE (SINGLE SUPPLY) ON/OFF LEAKAGE CURRENT vs. TEMPERATURE POWER-SUPPLY CURRENT vs. TEMPERATURE 110 TA = +25°C 100 1.0 LEAKAGE (nA) TA = +85°C 120 90 0.1 ON LEAKAGE 0.1 0.01 0.01 I (V+) 0.001 OFF LEAKAGE 80 TA = -55°C 70 10 MAX4536/37/38 TOC-06 130 9 1.0 I+, I- (µA) TA = +125°C 140 10 MAX4536/37/38 TOC-04 150 MAX4536/37/38 TOC-05 RON (Ω) 140 RON (Ω) TA = +125°C 70 10,000 RON (Ω) 180 MAX4536/37/38 TOC-02 80 MAX4536/7/8 TOC-01 200 160 ON-RESISTANCE vs. VCOM (SINGLE SUPPLY) ON-RESISTANCE vs. VCOM AND TEMPERATURE (DUAL SUPPLIES) MAX4536/7/8 TOC-03 ON-RESISTANCE vs. VCOM (DUAL SUPPLIES) I (V-) 0.0010 0.0001 60 0.0001 1 2 3 4 25 50 75 100 125 150 175 VCOM (V) TEMPERATURE (°C) ON/OFF TIME vs. SUPPLY VOLTAGE (DUAL SUPPLIES) ON/OFF TIME vs. TEMPERATURE 50 MAX4536/37/38 TOC-07a 90 80 tON, tOFF (ns) 70 40 60 50 -75 -50 -25 tON 0 25 50 75 100 125 150 TEMPERATURE (°C) CHARGE INJECTION vs. VCOM 2 30 1 Qj, (pC) 100 SINGLE SUPPLY DUAL SUPPLIES 0 20 tON 40 tOFF 30 -1 10 20 tOFF 10 -2 0 ±2 ±3 ±4 SUPPLY VOLTAGE (V) 6 0.00001 -75 -50 -25 0 5 MAX4536/37/38 TOC-08 0 MAX4536/37/38 TOC-09 50 tON, tON (ns) MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable ±5 ±6 -75 -50 -25 0 25 50 75 100 125 150 TEMPERATURE (°C) -5 -4 -3 -2 -1 0 1 VCOM (V) _______________________________________________________________________________________ 2 3 4 5 Quad, Low-Voltage, SPST Analog Switches with Enable (V+ = +5V, V- = -5V GND = 0V, TA = +25°C, unless otherwise noted.) LOGIC-LEVEL THRESHOLD vs. POSITIVE SUPPLY VOLTAGE FREQUENCY RESPONSE 0 -40 ON-PHASE -50 10 0 -60 -10 -70 -20 -30 OFF-ISOLATION -90 -100 0.1 1 10 100 2.0 1.5 10 THD (%) 20 LOGIC-LEVEL THRESHOLD (V) -30 PHASE (DEGREES) 30 -80 2.5 40 ON-RESPONSE -20 - LOSS (dB) -10 50 TOTAL HARMONIC DISTORTION vs. FREQUENCY MAX4536/37/38 TOC-11 MAX4536/7/8 TOC-10 1.0 MAX4536/7/8 TOC-12 V+ = 5V V- = -5V 5Vp-p SIGNAL 600Ω IN AND OUT 1 0.1 0.5 -40 100 -50 1000 FREQUENCY (MHz) 0 0.01 0 1 2 3 4 5 6 7 8 9 10 SUPPLY VOLTAGE (V) 10 100 1k 10k 100k FREQUENCY (Hz) ______________________________________________________________Pin Description PIN NAME FUNCTION 1, 4, 10, 13 COM1–COM4 2, 3, 11, 12 NO1–NO4, or NC1–NC4 Analog Switch Normally Open* or Normally Closed* Terminals (see Truth Tables) 5, 6, 14, 15 IN1–IN4 Logic-Control Digital Inputs. Control each switch (see Truth Tables), except when EN is high. 7 EN 8 GND 9 V- Negative Analog Supply-Voltage Input. Connect V- to GND for single-supply operation. 16 V+ Positive Analog and Digital Supply-Voltage Input. Internally connected to substrate. Analog Switch Common* Terminals Disable Logic Input. Connect logic high to EN to disable (open) all switches. Ground. Connect to digital ground. (Analog signals have no ground reference; they are limited to V+ and V-.) *NO_/NC_ and COM_ pins are identical and interchangeable. Either may be considered as an input or an output; signals pass equally well in either direction. _______________________________________________________________________________________ 7 MAX4536/MAX4537/MAX4538 _____________________________Typical Operating Characteristics (continued) MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable __________Applications Information Power-Supply Considerations Overview The MAX4536/MAX4537/MAX4538 construction is typical of most CMOS analog switches. These devices have three supply pins: V+, V-, and GND. V+ and V- drive the internal CMOS switches and set the limits of the analog voltage on any switch. Reverse ESD-protection diodes are internally connected between each analog-signal pin, and both V+ and V-. One of these diodes conducts if any analog signal exceeds V+ or V-. These reversebiased ESD diodes leak during normal operation, forming the only current drawn from V+ or V-. Virtually all the analog leakage current is through the ESD diodes. Although the ESD diodes on a given signal pin are identical and therefore fairly well balanced, they are reverse biased differently. Each is biased by either V+ or V- and the analog signal. This means their leakages vary as the signal varies. The difference in the two diode leakages from the signal path to the V+ and V- pins constitutes the analog-signal path leakage current. All analog leakage current flows to the supply terminals, not to the other switch terminal. This explains how both sides of a given switch can show leakage currents of either the same or opposite polarity. There is no connection between the analog-signal paths and GND. The analog-signal paths consist of an N-channel and P-channel MOSFET with their sources and drains paralleled and their gates driven out of phase to V+ and V- by the logic-level translators. V+ and GND power the internal logic and logic-level translators and set the input logic thresholds. The logic-level translators convert the logic levels to switched V+ and V- signals to drive the analog switches’ gates. This drive signal is the only connection between the logic supplies and the analog supplies. V+, and V- have ESD-protection diodes to GND. The logic-level inputs have ESD protection to V+ and to V-. Increasing V- has no effect on the logic-level thresholds, but it does increase the drive to the P-channel switches, reducing their on-resistance. V- also sets the negative limit of the analog-signal voltage. 8 The logic-level thresholds are CMOS/TTL-compatible when V+ is +5V. The threshold increases slightly as V+ is raised. When V+ reaches +12V, the level threshold is about 3.1V, above the TTL output high-level minimum of 2.8V, but still compatible with CMOS outputs. Bipolar Supplies The MAX4536/MAX4537/MAX4538 operate with bipolar supplies between ±2.0V and ±6V. The V+ and V- supplies need not be symmetrical, but their sum cannot exceed the absolute maximum rating of 13.0V. Do not connect the MAX4536/MAX4537/MAX4538’s V+ to +3V and then connect the logic-level input pins to TTL logic-level signals. TTL logic-level outputs in excess of the absolute maximum ratings can damage the part and/or external circuits. CAUTION: The absolute maximum V+ to V- differential voltage is 13.0V. Typical ±6V or +12V supplies with ±10% tolerances can be as high as 13.2V. This voltage can damage the MAX4536/MAX4537/MAX4538. Even ±5% tolerance supplies may have overshoot or noise spikes that exceed 13.0V. Single Supplies The MAX4536/MAX4537/MAX4538 operate from single supplies between +2.0V and +12V when V- is connected to GND. All of the bipolar precautions must be observed. High-Frequency Performance In 50Ω systems, signal response is reasonably flat up to 50MHz (see Typical Operating Characteristics). Above 20MHz, the on-response has several minor peaks that are highly layout dependent. The problem with high-frequency operation is not in turning the switch on, but in turning it off. The off-state switch acts like a capacitor and passes higher frequencies with less attenuation. At 10MHz, off-isolation is about -44dB in 50Ω systems, becoming worse (approximately 20dB per decade) as frequency increases. Higher circuit impedances also make off-isolation worse. Adjacent channel attenuation is about 3dB above that of a bare IC socket, and is due entirely to capacitive coupling. _______________________________________________________________________________________ Quad, Low-Voltage, SPST Analog Switches with Enable MAX4536 MAX4537 MAX4538 SWITCH INPUT V+ SWITCH OUTPUT V+ NO or NC COM V COM VOUT RL 300Ω IN, EN GND LOGIC INPUT LOGIC INPUT 50% 0V CL 35pF t OFF VOUT VSWITCH OUTPUT V- 0V 0V 0.9 x V0UT 0.9 x VOUT t ON CL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL VOUT = VCOM RL + RON ( t r < 20ns t f < 20ns +3V LOGIC INPUT WAVEFORMS INVERTED FOR EN AND SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE. ) Figure 1. Switching Time V+ VCOM1 = +3V VCOM2 = +3V V+ COM1 NO1 RL2 GND RL1 VOUT2 IN LOGIC INPUT 50% VOUT1 N02 COM2 +3V LOGIC INPUT MAX4538 0V CL1 SWITCH OUTPUT 1 (VOUT1) CL2 0.9 x V0UT1 0V SWITCH OUTPUT 2 (VOUT2) VV- CL INCLUDES FIXTURE AND STRAY CAPACITANCE. 0.9 x VOUT2 0V RL = 300Ω CL = 35pF tD tD Figure 2. Break-Before-Make Interval (MAX4538 only) V+ MAX4536 MAX4537 MAX4538 ∆VOUT V+ RGEN VOUT COM NC or NO VOUT IN OFF CL V GEN GND IN V- VVIN = +3V IN OFF ON ON OFF OFF Q = (∆V OUT )(C L ) IN DEPENDS ON SWITCH CONFIGURATION; INPUT POLARITY DETERMINED BY SENSE OF SWITCH. Figure 3. Charge Injection _______________________________________________________________________________________ 9 MAX4536/MAX4537/MAX4538 ______________________________________________Test Circuits/Timing Diagrams MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable V+ 10nF SIGNAL GENERATOR 0dBm COM MAX4536 MAX4537 MAX4538 SIGNAL GENERATOR 0dBm V+ 0V or 2.4V IN NC COM or NO ANALYZER V- N01 IN1 IN2 COM2 N02 Figure 5. Crosstalk V+ 10nF MAX4536 MAX4537 MAX4538 V+ 10nF V+ COM 0V or 2.4V IN CAPACITANCE METER IN f = 1MHz NC or NO GND V- 10nF 0V or 2.4V NC or NO GND V- Figure 6. Channel-Off Capacitance MAX4536 MAX4537 MAX4538 V+ COM 10 10nF V- Figure 4. Off Isolation f = 1MHz NC V- RL V- CAPACITANCE METER 50Ω 0V or 2.4V GND 10nF RL V+ COM1 0V or 2.4V ANALYZER GND MAX4536 MAX4537 MAX4538 V+ 10nF V- V- Figure 7. Channel-On Capacitance ______________________________________________________________________________________ 10nF Quad, Low-Voltage, SPST Analog Switches with Enable PART TEMP. RANGE _____________________Chip Topography PIN-PACKAGE A MAX4537CPE 0°C to +70°C 16 Plastic DIP MAX4537CSE MAX4537CEE MAX4537C/D MAX4537EPE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C 16 Narrow SO 16 QSOP Dice* 16 Plastic DIP MAX4537ESE MAX4537EEE MAX4538CPE -40°C to +85°C -40°C to +85°C 0°C to +70°C 16 Narrow SO 16 QSOP 16 Plastic DIP COM2 MAX4538CSE MAX4538CEE MAX4538C/D MAX4538EPE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C 16 Narrow SO 16 QSOP Dice* 16 Plastic DIP IN3 MAX4538ESE MAX4538EEE -40°C to +85°C -40°C to +85°C 16 Narrow SO 16 QSOP *Contact factory for availability. COM1 V+ IN1 IN4 B COM4 0.054" (1.37mm) D IN2 C EN GND V- COM3 0.053" (1.35mm) MAX4536 MAX4537 MAX4538 PIN NAME PIN NAME PIN NAME A NO1 A NC1 A NO1 B NO2 B NC2 B NC2 C NO3 C NC3 C NC3 D NO4 D NC4 D NO4 TRANSISTOR COUNT: 121 SUBSTRATE IS INTERNALLY CONNECTED TO V+ ______________________________________________________________________________________ 11 MAX4536/MAX4537/MAX4538 __Ordering Information (continued) MAX4536/MAX4537/MAX4538 Quad, Low-Voltage, SPST Analog Switches with Enable ________________________________________________________Package Information DIM A A1 A2 B C D E e H h L N S α D A e A1 B S E INCHES MILLIMETERS MAX MIN MIN MAX 0.068 0.061 1.55 1.73 0.004 0.0098 0.127 0.25 0.061 0.055 1.40 1.55 0.012 0.008 0.20 0.31 0.0075 0.0098 0.19 0.25 SEE VARIATIONS 0.157 0.150 3.81 3.99 0.025 BSC 0.635 BSC 0.244 0.230 5.84 6.20 0.016 0.010 0.25 0.41 0.035 0.016 0.41 0.89 SEE VARIATIONS SEE VARIATIONS 8° 0° 0° 8° DIM PINS 21-0055A H QSOP QUARTER SMALL-OUTLINE PACKAGE h x 45° α A2 16 16 20 20 24 24 28 28 D S D S D S D S N E L C DIM D 0°-8° A 0.101mm 0.004in. e B A1 E C L Narrow SO SMALL-OUTLINE PACKAGE (0.150 in.) H INCHES MILLIMETERS MIN MAX MIN MAX 0.189 0.196 4.80 4.98 0.0020 0.0070 0.05 0.18 0.337 0.344 8.56 8.74 0.0500 0.0550 1.27 1.40 0.337 0.344 8.56 8.74 0.0250 0.0300 0.64 0.76 0.386 0.393 9.80 9.98 0.0250 0.0300 0.64 0.76 A A1 B C E e H L INCHES MAX MIN 0.069 0.053 0.010 0.004 0.019 0.014 0.010 0.007 0.157 0.150 0.050 0.244 0.228 0.050 0.016 DIM PINS D D D 8 14 16 MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 3.80 4.00 1.27 5.80 6.20 0.40 1.27 INCHES MILLIMETERS MIN MAX MIN MAX 0.189 0.197 4.80 5.00 0.337 0.344 8.55 8.75 0.386 0.394 9.80 10.00 21-0041A 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. 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1996 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.