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NTE919D Integrated Circuit High Speed Dual Comparator
Description: The NTE919D is a precision high speed dual comparator fabricated on a single monolithic chip. This devices is designed to operate over a wide range of supply voltages down to a single 5V logic supply and ground. Further, it has higher gain and lower input currents than devices like the NTE910. The uncommitted collector of the output stage makes it compatible with RTL, DTL, and TTL as well as capable of driving lamps and relays at currents up to 25mA. Although designed primarily for applications requiring operation from digital logic supplies, the NTE919D is fully specified for power supplies up to 15V. Features: D Two Independent Comparators D Operates from a Single 5V Supply D Typically 80ns Response Time at 15V D Minimum Fan-Out of 2 Each Side D Maximum Input Current of 1A Over Temperature D Inputs and Outputs can be Isolated from System Ground D High Common Mode Slew Rate Absolute Maximum Ratings: Total Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Output to Negative Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Ground to Negative Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Ground to Positive Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Input Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Output Short Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10sec Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260C Note 1. For supply voltages less than 15 the absolute maximum input voltage is equal to the supply voltage. Note 2. The maximum junction temperature is 85C. For operating at elevated temperatures, devices must be derated based on a thermal resistance of 100C/W, junction to ambient.
Electrical Characteristics: (Note 3)
Parameter Input Offset Voltage Input Offset Current Input Bias Current Voltage Gain Response Time Saturation Voltage Output Leakage Current Input Offset Voltage Input Offset Current Input Bias Curent Input Voltage Range Saturation Voltage Differential Input Voltage Positive Supply Current Positive Supply Current Negative Supply Current TA = +25C, V+ = 5V, V- = 0 TA = +25C, VS = 15V TA = +25C, VS = 15V VS = 15V V+ = 5V, V- = 0 V+ 4.5V, V- = 0, VIN -10mV, ISINK 3.2mA Test Conditions TA = +25C, RS 5k, Note 4 TA = +25C, Note 4 TA = +25C TA = +25C, Note 6 TA = +25C, VS = 15V, Note 5 VIN -10mV, IOUT = 25mA TA = +25C VIN 10mV, VOUT = 35V, V- = VGND = 0V, TA = +25C RS 5k, Note 4 Note 4 Min - - - 8 - - - - - - - 1 - - - - - Typ 2.0 80 250 40 80 0.75 0.2 - - - 13 - 0.3 - 4.3 8 3 Max 8.0 200 1000 - - 1.5 10 10 300 1200 - 3 0.4 5 - 12.5 5 Unit mV nA nA V/mV ns V A mV nA nA V V V V mA mA mA
Note 3. These specifications apply for VS = 15V, and 0C TA 70C, unless otherwise stated. The offset voltage, offset current and bias current specifications apply for any supply voltage from a single 5V supply up to 15V supplies. Do not operate the device with more than 16V from ground to VS. Note 4. The offset voltages and offset currents given are the maximum values required to drive the output within a volt of either supply with a 1mA load. Thus, these parameters define an error band and take into account the worst case effects of voltage gain and input impedance. Note 5. The response time specified is for a 100mV input step with 5mV overdrive. Note 6. Output is pulled up to 15V through a 1.4 resistor.
Pin Connection Diagram
N.C. 1 N.C. 2 GND 1 3 Non-Inverting Input 1 4 Inverting Input 1 5 V (-) 6 Output 2 7
14 N.C. 13 N.C. 12 Output 1 11 V (+) 10 Inverting Input 2 9 Non-Inverting Input 2 8 GND 2
14
8
1
7
.785 (19.95) Max
.300 (7.62)
.200 (5.08) Max
.100 (2.45) .600 (15.24)
.099 (2.5) Min

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