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| TL712 DIFFERENTIAL COMPARATOR SLCS002C - JUNE 1983 - REVISED AUGUST 2000 D D D D D D D Operates From a Single 5-V Supply 0 to 5.5 V Common-Mode Input Voltage Range Self-Biased Inputs Complementary 3-State Outputs Enable Capability Hysteresis . . . 5 mV Typ Response Times . . . 25 ns Typ D, P, OR PS PACKAGE (TOP VIEW) NC IN- IN+ OE 1 2 3 4 8 7 6 5 VCC OUT- OUT+ GND NC - No internal connection description The TL712 is a high-speed comparator fabricated with bipolar Schottky process technology. The circuit has differential analog inputs and complementary 3-state TTL-compatible logic outputs with symmetrical switching characteristics. When the output enable (OE) is low, both outputs are in the high-impedance state. This device operates from a single 5-V supply and is useful as a disk memory read-chain data comparator. The TL712C is characterized for operation from 0C to 70C. AVAILABLE OPTIONS PACKAGED DEVICES TA PLASTIC SMALL OUTLINE (D) TL712CD PLASTIC SMALL-OUTLINE EIAJ (PS) TL712CPSR PLASTIC DIP (P) TL712CP 0C to 70C The PS package is only availiable tape and reeled. The D package also is available taped and reeled. Add the suffix R to device type (e.g., TL712CDR). symbol (positive logic) 4 OE IN- IN+ 2 3 7 6 OUT+ OUT- PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright (c) 2000, Texas Instruments Incorporated POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 TL712 DIFFERENTIAL COMPARATOR SLCS002C - JUNE 1983 - REVISED AUGUST 2000 schematics of inputs and outputs EQUIVALENT OF EACH DIFFERENTIAL INPUT VCC EQUIVALENT OF EACH ENABLE INPUT TYPICAL OF ALL OUTPUTS VCC 85 Nom VCC 8.3 k Nom 4 k Nom 960 Nom OE 960 Nom Input Output absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Differential input voltage, VID (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Input voltage, VI, any differential input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Output enable voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Low-level output current, IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Package thermal impedance, JA (see Note 3): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97C/W P package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85C/W PS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C 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 "recommended operating conditions" section of this specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values, except differential voltages, are with respect to the network ground. 2. Differential voltage values are at IN+ with respect to IN -. 3. The package thermal impedance is calculated in accordance with JESD 51. 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 TL712 DIFFERENTIAL COMPARATOR SLCS002C - JUNE 1983 - REVISED AUGUST 2000 recommended operating conditions MIN Supply voltage, VCC Common-mode input voltage, VIC High-level output current, IOH Low-level output current, IOL Operating free-air temperature, TA 0 4.75 0 NOM 5 MAX 5.25 5.5 -1 16 70 UNIT V V mA mA C electrical characteristics at VCC = 5 V, TA = 25C PARAMETER VT Vhys VOH VOL IOZ II IIH IIL ri ro IOS ICC Threshold voltage (VT + and VT -) Hysteresis (VT + - VT -) High-level output voltage Low-level output voltage Off-state output current Enable current High-level enable current Low-level enable current Differential input resistance Output resistance Short-circuit output current - 15 VID = 100 mV, VID = - 100 mV, VO = 2.4 V VI = 5.5 V VIH = 2.7 V VIL = 0.4 V 4 100 - 85 IOH = - 1 mA IOL = 16 mA 2.7 TEST CONDITIONS VICR = 0 to 5 V MIN - 100 TYP 5 3.5 0.4 0.5 - 20 100 20 - 360 MAX 100 UNIT mV mV V V A A A A k W mA Supply current VID = 0, No load 17 20 mA The algebraic convention, where the more negative limit is designated as minimum, is used in this data sheet for input threshold voltage levels only. switching characteristics, VCC = 5 V, TA = 25C PARAMETER tPLH tPHL Propagation delay time, low-to-high-level output Propagation delay time, high-to-low-level output TTL load, load TEST CONDITIONS See Figure 1 1, See Note 4 MIN TYP 25 25 MAX UNIT ns ns NOTE 4: The response time specified is for a 100-mV input step with 5-mV overdrive (105 mV total), and is the interval between the input step function and the instant when the output crosses 2.5 V. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 TL712 DIFFERENTIAL COMPARATOR SLCS002C - JUNE 1983 - REVISED AUGUST 2000 PARAMETER MEASUREMENT INFORMATION 5V 2 k Output NOTE A: All diodes are 1N4148 or equivalent. Figure 1. TTL Output Load Circuit TYPICAL CHARACTERISTICS OUTPUT RESPONSE FOR VARIOUS INPUT OVERDRIVE VOLTAGES VCC = 5 V TTL Load TA = 25C 100 mV + Overdrive OUTPUT RESPONSE FOR VARIOUS INPUT OVERDRIVE VOLTAGES VCC = 5 V TTL Load TA = 25C 100 mV + Overdrive Differential Input Voltage VO - Output Voltage - V 5 4 3 2 1 0 VO - Output Voltage - V 100 mV 50 mV 20 mV 5 mV Differential Input Voltage 5 4 3 2 1 0 0 100 mV 50 mV 20 mV 5 mV 0 5 10 15 20 25 30 35 40 5 10 15 20 25 30 35 40 t - Time - ns t - Time - ns Figure 2 Figure 3 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 TL712 DIFFERENTIAL COMPARATOR SLCS002C - JUNE 1983 - REVISED AUGUST 2000 TYPICAL CHARACTERISTICS COMMON-MODE PULSE RESPONSE 4 3 2 1 0 50 VO VIC - Common-Mode Input Voltage VCC = 5 V TA = 25C VO - Output Voltage - V 1.7 1.65 1.6 1.55 1.5 50 VIC 0 20 40 60 80 100 120 140 160 t - Time - ns Figure 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. Customers are responsible for their applications using TI components. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof. Copyright (c) 2000, Texas Instruments Incorporated |
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