LT1217 Linear Technology, LT1217 Datasheet
LT1217
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LT1217 Summary of contents
Page 1
... The LT1217 is a 10MHz current feedback amplifier with DC characteristics better than many voltage feedback ampli- fiers. This versatile amplifier is fast, 280ns settling to 0.1% for a 10V step thanks to its 500V/ s slew rate. The LT1217 is manufactured on Linear Technology’s proprietary complementary bipolar process resulting in a low 1mA quiescent current ...
Page 2
... SO packaged parts (S suffix ORDER PART NUMBER 8 SHUTDOWN + LT1217CN8 OUT LT1217CS8 5 NULL S8 PART MARKING S8 PACKAGE 8-LEAD PLASTIC SOIC 1217 LT1217 • POI01 MIN TYP MAX 1 3 100 500 100 500 = 10 6 0.7 20 100 1 ...
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... R = 5.1k F 1.0 0 SUPPLY VOLTAGE ( V) LT1217 • TPC08 LT1217 = 5. LT1217 • TPC03 = 5. LT1217 • TPC06 = 250 LT1217 • TPC09 3 ...
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... Power Supply Rejection vs Frequency POSITIVE NEGATIVE V = 15V 100 = 0.01 0.1 1 FREQUENCY (MHz) LT1217 • TPC17 2nd and 3rd Harmonic Distortion vs Frequency – 15V 100 2Vpp O – 10dB V 3RD –40 2ND –50 RMS –60 100000 ...
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... SETTLING TIME (ns Feedback Resistor Selection The small signal bandwidth of the LT1217 is set by the external feedback resistors and the internal junction ca- pacitors result, the bandwidth is a function of the supply voltage, the value of the feedback resistor, the closed loop gain and load resistor. The characteristic ...
Page 6
... F tantalum capacitors be placed within 0.5 inches of the supply pins. = 4700pF Input Range The non-inverting input of the LT1217 looks like a 100M resistor in parallel with a 3pF capacitor until the common mode range is exceeded. The input impedance drops somewhat and the input current rises to about 10 A when the input comes too close to the supplies ...
Page 7
... The easy way to force shutdown is to ground pin 8, using an open collector (drain) logic stage. An internal resistor limits current, allowing direct interfacing with no addi- tional parts. When pin 8 is open, the LT1217 operates normally. Slew Rate The slew rate of a current feedback amplifier is not independent of the amplifier gain configuration the way traditional op amp ...
Page 8
... BSC : 499-3977 LT1217 • TA08 0.130 ± 0.005 0.400 (10.160) MAX 0.250 ± 0.010 0.125 0.020 (6.350 ± 0.254) (3 ...