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LM1203-N データシート(PDF) 4 Page - Texas Instruments |
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LM1203-N データシート(HTML) 4 Page - Texas Instruments |
4 / 18 page AC Dynamic Tests S17 21 26 Closed V14 e 0V V15 e 4V unless otherwise stated (Continued) Symbol Parameter Conditions Typ Tested Design Units Limit (Note 2) Limit (Note 3) Vsep Video Amplifier 10 kHz Isolation V12 e 12V (Note 7) b 65 dB 10 kHz Vsep Video Amplifier 10 MHz Isolation V12 e 12V (Notes 4 7) b 46 dB 10 MHz Note 1 VCC supply pins 1 13 23 28 must be externally wired together to prevent internal damage during VCC power onoff cycles Note 2 These parameters are guaranteed and 100% production tested Note 3 Design limits are guaranteed (but not 100% production tested) These limits are not used to calculate outgoing quality levels Note 4 When measuring video amplifier bandwidth or pulse rise and fall times a double sided full ground plane printed circuit board without socket is recommend- ed Video Amplifier 10 MHz isolation test also requires this printed circuit board Note 5 Measure gain difference between any two amplifiers VIN e 1 Vp-p Note 6 Adjust input frequency from 10 kHz (Avmax ref level) to the b3 dB corner frequency (f b3 dB) Note 7 Measure output levels of the other two undriven amplifiers relative to driven amplifier to determine channel separation Terminate the undriven amplifier inputs to simulate generator loading Repeat test at fIN e 10 MHz for Vsep e 10 MHz Note 8 D Av track is a measure of the ability of any two amplifiers to track each other and quantifies the matching of the three attenuators It is the difference in gain change between any two amplifiers with the Contrast Voltage V12 at either 5V or 2V measured relative to an Av max condition V12 e 12V For example at Av max the three amplifiers gains might be 174 dB 169 dB and 164 dB and change to 73 dB 69 dB and 65 dB respectively for V12 e 5V This yields the measured typical g01 dB channel tracking Note 9 Operating Ratings indicate conditions for which the device is functional See Electrical Specifications for guaranteed performance limits Peaking capacitors See Frequency Response using various peaking cups graph on next page TLH9178 – 2 FIGURE 2 LM1203 Test Circuit http www nationalcom 3 |
同様の部品番号 - LM1203-N |
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同様の説明 - LM1203-N |
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