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LT1193IS8 Datasheet(PDF) 7 Page - Linear Technology |
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LT1193IS8 Datasheet(HTML) 7 Page - Linear Technology |
7 / 12 page 7 LT1193 1193fb TEMPERATURE ( °C) –50 300 500 700 800 –25 125 LT1193 • TPC20 0 25 50 75 100 VS = ±5V TA = 25°C RL = 1k VO = ±2V 900 600 400 +SLEW RATE – SLEW RATE SETTLING TIME (ns) 40 –4 –2 2 4 50 100 LT1193 • TPC21 60 70 80 90 VS = ±5V TA = 25°C RL = 1k 0 10mV 10mV LOAD RESISTANCE ( Ω) 10 –5 –3 1 5 100 1000 LT1193 • TPC19 VS = ±5V 3 –1 TA = –55°C TA = 25°C TA = 125°C TA = 125°C TA = –55°C, 25°C Large-Signal Transient Response TYPICAL PERFOR A CE CHARACTERISTICS Output Voltage Swing vs Load Resistance Slew Rate vs Temperature Output Voltage Step vs Settling Time, AV = 2 Small-Signal Transient Response Small-Signal Transient Response LT1193 • TPC22 AV = 2, RL = 150Ω, RFB = 300Ω, RG = 300Ω LT1193 • TPC23 AV = –10, SMALL-SIGNAL RISE TIME = 43ns LT1193 • TPC24 AV = 2, RFB = 300Ω, RG = 300Ω, OVERSHOOT = 25%, RISE TIME = 4.7ns APPLICATIO S I FOR ATIO The LT1193 is a video difference amplifier which has two uncommitted high input impedance (+) and (–) inputs. The amplifier has one set of inputs that can be used for reference and feedback. Additionally, this set of inputs give gain adjust and DC control to the differential amplifier. The voltage gain of the LT1193 is set like a conventional operational amplifier. Feedback is applied to Pin 8 and it is optimized for gains of 2 or greater. The amplifier can be operated single-ended by connecting either the (+) or (–) inputs to +/REF, Pin 1. The voltage gain is set by the resistors: (RFB + RG)/RG. The primary usefulness of the LT1193 is in converting high speed differential signals to a single-ended output. The amplifier has common mode rejection beyond 50MHz and a full-power bandwidth of 40MHz at 4VP-P. Like the single-ended case, the differential voltage gain is set by the external resistors: (RFB + RG)/RG. The maximum input differential signal for which the output will respond is approximately ±1.3V. Power Supply Bypassing The LT1193 is quite tolerant of power supply bypassing. In some applications a 0.1 µF ceramic disc capacitor placed 1/2 inch from the amplifier is all that is required. A scope photo of the amplifier output with no supply by- passing is used to demonstrate this bypassing tolerance, RL = 1k. |
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