PDF MAX385 Data sheet ( Hoja de datos )

Número de pieza	MAX385
Descripción	Precision / Low-Voltage Analog Switches
Fabricantes	Maxim Integrated
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No Preview Available ! 19-0300; Rev 0; 9/94 Precision, Low-Voltage Analog Switches _______________General Description ____________________________Features The MAX381/MAX383/MAX385 are precision, low-volt- age analog switches. The single-pole single-throw MAX381 and double-pole single-throw MAX385 dual switches are normally open. The single-pole double- throw MAX383 has two normally open and two normally closed poles. All three parts offer low on-resistance (less than 35Ω), guaranteed to match to within 2Ω between channels and to remain flat over the specified analog signal range (4Ω max). They also offer low leak- age (less than 250pA at +25°C and less than 2.5nA at +85°C) and fast switching (turn-on time less than 175ns and turn-off time less than 100ns). o Single-Supply Operation (+3V to +15V) Bipolar-Supply Operation (±3V to ±8V) o Pin-Compatible with DG401/DG403/DG405 o Low On-Resistance, 20Ω Typical (35Ω Max) o Guaranteed Matched On-Resistance Between Channels, <2Ω o Guaranteed Flat On-Resistance over Specified Analog Signal Range, <4Ω o Guaranteed Charge Injection, <5pC o Guaranteed Off-Channel Leakage, <2.5nA at +85°C The MAX381/MAX383/MAX385 are fabricated with Maxim’s low-voltage silicon-gate process for high sys- tem accuracy. Design improvements guarantee extremely low charge injection (<5pC) and low power consumption (<10µW). o TTL/CMOS-Logic Compatible with 3V, 5V, ±3V, and ±5V Supplies o Rail-to-Rail Analog Signal Handling Capability ______________Ordering Information These monolithic switches operate with a single posi- tive supply (+3V to +15V) or with split supplies (±3V to ±8V) while retaining CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading. PART MAX381CPE MAX381CSE MAX381C/D TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C PIN-PACKAGE 16 Plastic DIP 16 Narrow SO Dice* ________________________Applications Sample-and-Hold Circuits Military Radios Test Equipment Communication Systems Heads-Up Displays Battery-Operated Systems Audio Signal Routing PBX, PABX Guidance and Control Systems MAX381EPE MAX381ESE MAX381EJE MAX381MJE -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP Ordering Information continued on last page. * Dice are tested at TA = +25°C only. ** Contact factory for package availability. ___________________________Pin Configurations/Block Diagrams/Truth Tables TOP VIEW COM1 1 N.C. 2 N.C. 3 N.C. 4 N.C. 5 N.C. 6 N.C. 7 COM2 8 MAX381 16 NO1 15 IN1 14 V- 13 GND 12 N.C. 11 V+ 10 IN2 9 NO2 N.C. = NOT INTERNALLY CONNECTED MAX381 LOGIC IN SWITCH 0 1 PWR OFF OFF ON OFF COM1 1 N.C. 2 COM3 3 NC3 4 NC4 5 COM4 6 N.C. 7 COM2 8 16 NO1 15 IN1 14 V- 13 GND 12 N.C. MAX383 11 V+ 10 IN2 9 N02 LOGIC IN 0 1 PWR OFF MAX383 COM NC NC COM NO OFF OFF OFF NO OFF COM OFF COM1 1 N.C. 2 COM3 3 NO3 4 NO4 5 COM4 6 N.C. 7 COM2 8 16 NO1 15 IN1 14 V- 13 GND 12 N.C. MAX385 11 V+ 10 IN2 9 NO2 MAX385 LOGIC IN COM, NO 0 OFF 1 ON PWR OFF OFF ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature. 1 page Precision, Low-Voltage Analog Switches ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +5V ±10%, V- = 0V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP (Note 2) DYNAMIC Turn-On Time Turn-Off Time Break-Before-Make Time Delay (Note 3) tON tOFF tD VCOM = 3V, Figure 2 VCOM = 3V, Figure 2 MAX383 only TA = +25°C TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C 160 60 10 20 Charge Injection (Note 3) VCTE CL = 1.0nF, VGEN = 0V, RGEN = 0Ω TA = +25°C 2 SUPPLY Power-Supply Range V+ 2.7 Positive Supply Current I+ All channels on or off, VIN = 0V or V+, V+ = 5.5V, V- = 0V -1.0 0.01 Negative Supply Current I- All channels on or off, VIN = 0V or V+, V+ = 5.5V, V- = 0V -1.0 -0.01 MAX 250 300 125 175 5 16 1.0 1.0 UNITS ns ns ns pC V µA µA ELECTRICAL CHARACTERISTICS—Single +3.3V Supply (V+ = 3.0V to 3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SWITCH Analog Signal Range On-Resistance NC or NO Off Leakage Current (Note 8) COM Off Leakage Current (Note 8) COM On Leakage Current (Note 8) SYMBOL CONDITIONS TEMP. RANGE VCOM, VNO, VNC RON (Note 3) V+ = 3V, V- = 0V, VNC or VNO = 1.5V, ICOM = 1.0mA, VINH = 2.4V, VINL = 0.8V INC(OFF) or INO(OFF) VCOM = 0V, VNC or VNO = 3V, V+ = 3.6V, V- = 0V VCOM = 3V, ICOM(OFF) VNC or VNO = 0V, V+ = 3.6V, V- = 0V VCOM = 3V, ICOM(ON) VNC or VNO = 3V, V+ = 3.6V, V- = 0V C, E TA = +25°C M TA = TMIN to TMAX C, E, M C, E TA = +25°C M TA = TMIN C, E to TMAX M C, E TA = +25°C M TA = TMIN C, E to TMAX M C, E TA = +25°C M TA = TMIN C, E to TMAX M MIN TYP (Note 2) MAX UNITS 0V V+ V 75 -0.2 -0.1 -2.5 -5.0 -0.2 -0.1 -2.5 -5.0 -0.4 -0.2 -5.0 -20.0 -0.01 -0.01 -0.01 -0.01 -0.04 -0.04 185 175 250 0.2 0.1 2.5 5.0 0.2 0.1 2.5 5.0 0.4 0.2 5.0 20.0 Ω nA nA nA _______________________________________________________________________________________ 5 5 Page Precision, Low-Voltage Analog Switches __Ordering Information (continued) PART MAX383CPE MAX383CSE MAX383C/D MAX383EPE MAX383ESE MAX383EJE MAX383MJE MAX385CPE MAX385CSE MAX385C/D MAX385EPE MAX385ESE MAX385EJE MAX385MJE TEMP. RANGE 0°C to +70°C 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 -55°C to +125°C 0°C to +70°C 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 -55°C to +125°C * Dice are tested at TA = +25°C only. ** Contact factory for package availability. PIN-PACKAGE 16 Plastic DIP 16 Narrow SO Dice* 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP 16 Plastic DIP 16 Narrow SO Dice* 16 Plastic DIP 16 Narrow SO 16 CERDIP 16 CERDIP ___________________Chip Topography COM3 (MAX383/MAX385) NO1 COM1 IN1 NC3 (MAX383) NO3 (MAX385) NC4 (MAX383) NO4 (MAX385) V- GND 0.096" (2.44mm) V+ COM2 IN2 COM4 NO2 (MAX383/MAX385) 0.067" (1.7mm) TRANSISTOR COUNT: 57 SUBSTRATE CONNECTED TO V+ ______________________________________________________________________________________ 11 11 Page

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