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LM2435T Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM2435T Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 10 page Absolute Maximum Ratings (Notes 1, 3) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage, (V CC) +90V Bias Voltage, (V BB) +16V Input Voltage, (V IN) 0Vto6V Storage Temperature Range, (T STG) −65˚C to +150˚C Lead Temperature (Soldering, <10 sec.) 300˚C ESD Tolerance, Human Body Model 2 kV Machine Model 250V Operating Ranges (Note 2) V CC +60V to +85V V BB +8V to +15V V IN +0V to +5V V OUT +15V to +75V Case Temperature −20˚C to +100˚C Do not operate the part without a heat sink. Electrical Characteristics (See Figure 2 for Test Circuit) Unless otherwise noted: V CC = +80V, VBB = +12V, CL = 8 pF, TC = 50˚C DC Tests: V IN = +2.8 VDC AC Tests: Output = 40 V PP (25V to 65V) at 1 MHz. Symbol Parameter Condition LM2435 Units Min Typ Max I CC Supply Current Per Channel, No Input Signal, No Output Load 13 mA I BB Bias Current All Three Channels 14 mA V OUT DC Output Voltage No AC Input Signal, V IN = 1.35V 62 65 68 V DC A V DC Voltage Gain No AC Input Signal −12 −14 −16 ∆A V Gain Matching (Note 4), No AC Input Signal 1.0 dB LE Linearity Error (Notes 4, 5), No AC Input Signal 8 % t R Rise Time (Note 6), 10% to 90% 5.5 ns t F Fall Time (Note 6), 90% to 10% 6.0 ns OS Overshoot (Note 6) 5 % Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Note 2: Operating ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions. Note 3: All voltages are measured with respect to GND, unless otherwise specified. Note 4: Calculated value from Voltage Gain test on each channel. Note 5: Linearity Error is the variation in dc gain from VIN = 1.0V to VIN = 4.5V. Note 6: Input from signal generator: tr,tf < 1 ns. AC Test Circuit Figure 2 shows a typical test circuit for evaluation of the LM2435. This circuit is designed to allow testing of the LM2435 in a 50 Ω environment without the use of an expensive FET probe. The two 2490 Ω resistors at the output form a 200:1 voltage divider when connected to a 50 Ω load. The compensation cap is used to flatten the frequency response of the 200:1 divider. DS101044-3 Note: 8 pF load includes parasitic capacitance. FIGURE 2. Test Circuit (One Channel) www.national.com 2 |
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