LT1122 Linear Technology, LT1122 Datasheet
LT1122
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LT1122 Summary of contents
Page 1
... JFET transis- 1.2 MHz tor matching. 60 600 V Max It slews at 80V/ s and settles in 340ns. The LT1122 is 75pA Max internally compensated to be unity gain stable, yet it has a 600pA Max bandwidth of 14MHz at a supply current of only 7mA. Its 40pA Max ...
Page 2
... Input Noise Voltage Input Noise Voltage Density Input Noise Current Density 20V Operating Temperature Range LT1122AM/BM/CM/DM .................... – 125 C LT1122AC/BC/CC/DC/CS/DS .............. – Storage Temperature Range All Devices ....................................... – 150 ORDER PART NUMBER TRIM –IN 2 ...
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... Note 1: The LT1122 is measured in an automated tester in less than one second after application of power. Depending on the package used, power dissipation, heat sinking, and air flow conditions, the fully warmed up chip temperature can higher than the ambient temperature ...
Page 4
... DEVICE UNDER TEST 5pF 2k 1% +15V +15V – LT1122 –15V –15V 5.1k* 5. +15V 7 +15V SUMMING HA5002 NODE OUTPUT 2 LT1223 2 5 – 4 –15V –15V 79 1N5712 LT1122• ...
Page 5
... V = ±15V 25° 1122 G05 0 100k 1M 10M FREQUENCY (Hz) Common Mode Rejection vs Frequency 120 80 100 V = ±15V S 100 T = 25°C A 120 80 140 160 60 180 40 200 20 0 100 1k 10k 100k 1M FREQUENCY (Hz) 1122 G03 S A 100M LT1122•TPC01 10M 100M LT1122•TPC04 5 ...
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... COMMON-MODE INPUT VOLTAGE (V) LT1122•TPC06 0.1Hz to 10Hz Noise 10k TIME (SECONDS) LT1122•TPC09 Intermodulation Distortion (CCIF Method) vs Frequency LT1122 and LF156* 0.1 LF156 0.01 0.001 0.0001 10k 20k 3k 10k FREQUENCY (Hz) *SEE LT1115 DATA SHEET FOR DEFINITION LT1122•TPC12 OF CCIF TESTING ...
Page 7
... LT1122s are measured with a constant feedback capaci- tor. No fine tuning is required. Speed Boost/Overcompensation Terminal Pin 8 of the LT1122 can be used to change the input stage operating current of the device. Shorting pin 8 to the positive supply (Pin 7) increases slew rate and bandwidth by about 25%, but at the expense of a reduction in phase margin by approximately 18 degrees ...
Page 8
... Wide-Band, Filtered, Full Wave Rectifier 200k 1% 200k 1% 20k 100k – LT1122 + U OUTPUT –15V 4.7k LT1004 2.5V OUTPUT AMPLITUDE 10 F 4.7k 5k TRIM +15V 4.7k – LT1006 MOUNT IN CLOSE + PROXIMITY GROUND CRYSTAL CASE 560k = VACTEC VTL5C10 OR CLAIREX CLM410 100k = 1N4148 LT1122•TA05 1 F 50k – LT1122 OUT + LT1122•TA06 ...