DS3680 DS3680 Quad Negative Voltage Relay Driver Literature Number: SNOSBM0C DS3680 Quad Negative Voltage Relay Driver General Description The DS3680 is a quad high voltage negative relay driver designed to operate over wide ranges of supply voltage, common-mode voltage, and ambient temperature, with 50 mA sink capability. These drivers are intended for switching the ground end of loads which are directly connected to the negative supply, such as in telephone relay systems. Since there may be considerable noise and IR drop between logic ground and negative supply ground in many applications, these drivers are designed to operate with a high common-mode range (±20V referenced to negative supply ground). Each driver has a common-mode range separate from the other drivers in the package, which permits input signals from more than one element of the system. With low differential input current requirements (typically 100 µA), these drivers are compatible with TTL, LS and CMOS logic. Differential inputs permit either inverting or noninverting operation. Connection Diagram The driver outputs incorporate transient suppression clamp networks, which eliminate the need for external networks when used in applications of switching inductive loads. A failsafe feature is incorporated to ensure that, if the + IN input or both inputs are open, the driver will be OFF. Features ■ ■ ■ ■ ■ ■ ■ −10V to −60V operation Quad 50 mA sink capability TTL/LS/CMOS or voltage comparator input High input common-mode voltage range Very low input current Fail-safe disconnect feature Built-in output clamp diode Block Diagram Dual-In-Line Package 582101 Top View Order Number DS3680M See NS Package Number M14A 582102 Truth Table © 2008 National Semiconductor Corporation 5821 Differential Inputs Outputs VID≥ 2V On VID ≤ 0.8V Off Open Off www.national.com DS3680 Quad Negative Voltage Relay Driver December 9, 2008 DS3680 SO Package Lead Temperature (Soldering, 4 seconds) Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (GND to VEE−, and Any Pin) Positive Input Voltage (Input to GND) Negative Input Voltage (Input to VEE−) Differential Voltage (+ IN to − IN) Inductive Load Recommended Operating Conditions −70V 20V Min −5V ±20V LL ≤5h IL ≤50 mA Output Current −100 mA Storage Temperature −65°C to +150°C Maximum Power Dissipation (Note 2) at 25°C Electrical Characteristics Symbol 1002 mW 260°C Max Unit s −60 V Supply Voltage (GND to VEE−) −10 Input Voltage (Input to GND) Logic ON Voltage (+IN) Referenced to −IN Logic OFF Voltage (+IN) Referenced to −IN Temperature Range −20 20 V 2 20 V −20 −25 0.8 +85 V °C (Notes 3, 4) Parameter Conditions VIH Logic “1” Input Voltage VIL Logic “0” Input Voltage IINH Logic “1” Input Current VIN = 2V VIN = 7V IINL Logic “0” Input Current VOL Min Typ 2.0 1.3 Max Units V 1.3 0.8 V 40 375 100 1000 µA µA VIN = 0.4V VIN = −7V −0.01 −1 −5 −100 µA µA Output ON Voltage IOL = 50 mA −1.6 −2.1 V IOFF Output Leakage VOUT = VEE− −2 −100 µA IFS Fail-Safe Output Leakage VOUT = VEE− −2 −100 µA (Inputs Open) ILC Output Clamp Leakage Current VOUT = GND 2 100 µA VC Output Clamp Voltage ICLAMP = −50 mA Referenced to VEE− −2 −1.2 V VP Positive Output Clamp Voltage ICLAMP = 50 mA Referenced to GND 0.9 1.2 V IEE(ON) ON Supply Current All Drivers ON −2 −4.4 mA IEE(OFF) OFF Supply Current All Drivers OFF −1 −100 µA tPD(ON) Propagation Delay to Driver ON L = 1h, RL = 1k, VIN = 3V Pulse 1 10 µs tPD(OFF) Propagation Delay to Driver OF L = 1h, RL = 1k, VIN = 3V Pulse 1 10 µs Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. Except for “Operating Temperature Range”, they are not meant to imply that the device should be operated at these limits. The table of “Electrical Characteristics” provides conditions for actual device operation. Note 2: Derate SO package 8.02 mW/°C above 25°C. Note 3: Unless otherwise specified, the min/max limits of the table of “Electrical Characteristics” apply within the range of the table of “Operating Conditions”. All typical values are given for VEE− = 52V, and TA = 25°C. Note 4: All currents into device pins shown as positive, out of the device as negative. All voltages are referenced to ground unless otherwise noted. www.national.com 2 DS3680 Schematic Diagrams 582103 582104 3 www.national.com DS3680 Physical Dimensions inches (millimeters) unless otherwise noted SO Package (M) Order Number DS3680M NS Package Number M14A www.national.com 4 DS3680 Notes 5 www.national.com DS3680 Quad Negative Voltage Relay Driver Notes For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Design Support Amplifiers www.national.com/amplifiers WEBENCH® Tools www.national.com/webench Audio www.national.com/audio App Notes www.national.com/appnotes Clock and Timing www.national.com/timing Reference Designs www.national.com/refdesigns Data Converters www.national.com/adc Samples www.national.com/samples Interface www.national.com/interface Eval Boards www.national.com/evalboards LVDS www.national.com/lvds Packaging www.national.com/packaging Power Management www.national.com/power Green Compliance www.national.com/quality/green Switching Regulators www.national.com/switchers Distributors www.national.com/contacts LDOs www.national.com/ldo Quality and Reliability www.national.com/quality LED Lighting www.national.com/led Feedback/Support www.national.com/feedback Voltage Reference www.national.com/vref Design Made Easy www.national.com/easy PowerWise® Solutions www.national.com/powerwise Solutions www.national.com/solutions Serial Digital Interface (SDI) www.national.com/sdi Mil/Aero www.national.com/milaero Temperature Sensors www.national.com/tempsensors Solar Magic® www.national.com/solarmagic Wireless (PLL/VCO) www.national.com/wireless Analog University® www.national.com/AU THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION (“NATIONAL”) PRODUCTS. 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