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LT1203CS8 Datasheet(PDF) 4 Page - Linear Technology |
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LT1203CS8 Datasheet(HTML) 4 Page - Linear Technology |
4 / 16 page 4 LT1203/LT1205 Note 2: The digital inputs (pins 5, 6 for the LT1203, pins 9, 10, 13, 14 for the LT1205) are protected against ESD and overvoltage with internal SCRs. For inputs ≤±6V the SCR will not fire. Voltages above 6V will fire the SCR and the DC current should be limited to 50mA. To turn off the SCR the pin voltage must be reduced to less than 2V or the current reduced to less than 10mA. Note 3: A heat sink may be required depending on the power supply voltage. Note 4: Commercial grade parts are designed to operate over the temperature range of – 40 °C to 85°C but are neither tested nor guaranteed beyond 0 °C to 70°C. Industrial grade parts specified and tested over –40 °C to 85°C are available on special request, consult factory. Note 5: TJ is calculated from the ambient temperature TA and the power dissipation PD according to the following formulas: LT1203CN8: TJ = TA + (PD × 100°C/W) LT1203CS8: TJ = TA + (PD × 150°C/W) LT1205CS: TJ = TA + (PD × 100°C/W) Note 6: Slew rate is measured at ±2.0V on a ±2.5V output signal while operating on ±15V supplies, RL = 1k. Note 7: Full power bandwidth is calculated from the slew rate measurement: FPBW = SR/2 πVPEAK Note 8: For the LT1203, apply 1VDC to pin 1 and measure the time for the appearance of 0.5V at pin 7 when pin 5 goes from 5V to 0V. Apply 1VDC to pin 1 and measure the time for disappearance of 0.5V at pin 7 when pin 5 goes from 0V to 5V. Apply 1VDC to pin 3 and measure the time for the appearance of 0.5V at pin 7 when pin 5 goes from 0V to 5V. Apply 1VDC to pin 3 and measure the time for disappearance of 0.5V at pin 7 when pin 5 goes from 5V to 0V. For the LT1205 the same test is performed on both MUXs. Note 9: For the LT1203, apply 1VDC to pin 1 and measure the time for the appearance of 0.5V at pin 7 when pin 6 goes from 0V to 5V. Pin 5 voltage = 0V. Apply 1VDC to pin 1 and measure the time for disappearance of 0.2V at pin 7 when pin 6 goes from 5V to 0V. Pin 5 voltage = 0V. Apply 1VDC to pin 3 and measure the time for the appearance of 0.5V at pin 7 when pin 6 goes from 0V to 5V. Pin 5 voltage = 5V. Apply 1VDC to pin 3 and measure the time for disappearance of 0.2V at pin 7 when pin 5 goes from 5V to 0V. Pin 5 voltage = 5V. For the LT1205 the same test is performed on both MUXs. Note 10: VIN = 0dBm (0.223VRMS) at 10MHz on one input with the other input selected and RS = 10Ω. For disable crosstalk all inputs are driven simultaneously. In disable the output impedance is very high and signal couples across the package; the load impedance determines the crosstalk. Note 11: Differential gain and phase are measured using a Tektronix TSG120 YC/NTSC signal generator and a Tektronix 1780R video measurement set. The resolution of this equipment is 0.1% and 0.1 °. Ten identical MUXs were cascaded giving an effective resolution of 0.01% and 0.01 °. TYPICAL PERFOR A CE CHARACTERISTICS LOGIC EN VOUT 01 VIN0 11 VIN1 0 0* HIGH ZOUT 1 0 HIGH ZOUT *Must be ≤0.5V TRUTH TABLE FREQUENCY (MHz) 1 –1 0 1 2 3 10 100 1000 LT1203/05 • TPC02 –2 –3 –4 –5 4 5 –120 –100 –80 –60 –40 –140 –160 –180 –200 –20 0 VS = ±15V TA = 25°C RL = ∞ FREQUENCY (MHz) 1 –1 0 1 2 3 10 100 1000 LT1203/05 • TPC01 –2 –3 –4 –5 4 5 –120 –100 –80 –60 –40 –140 –160 –180 –200 –20 0 VS = ±5V TA = 25°C RL = ∞ ±5V Frequency Response ±15V Frequency Response |
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