LT1793 Linear Technology, LT1793 Datasheet
LT1793
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LT1793 Summary of contents
Page 1
... The low input capacitance also assures high gain linearity when buffering AC signals from high impedance transducers. The LT1793 is unconditionally stable for gains more, even with 1000pF capacitive loads. Other key features are 250 V V vidual amplifier is 100% tested for voltage noise, slew rate (3 ...
Page 2
... –10V to 13V 13.0 – 10.5 – 11 –10V to 13V 4.5V to 20V 85 S ORDER PART NUMBER TOP VIEW LT1793ACS8 8 NC LT1793CS8 LT1793AIS8 OUT 6 LT1793IS8 V ADJ PACKAGE S8 PART MARKING 1793A = 160 C, = 190 C/W JA 1793 = 0V, unless otherwise noted. CM LT1793C/LT1793I TYP MAX MIN ...
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... CM LT1793C/LT1793I TYP MAX MIN TYP MAX 4500 900 4400 3500 400 3000 13.2 13.0 13.2 12.3 12.0 12.3 3.4 2.3 3.4 4.2 2.5 4.2 4.2 5.20 4.2 5.20 4.2 5.15 4.2 5. LT1793AC LT1793C TYP MAX MIN TYP MAX 0.50 1.0 1.0 3.5 0.75 1.6 1.6 4 100 20 130 130 400 150 500 13.4 12.9 13.4 – 10.0 – 10.8 100 3600 800 3400 ...
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... The LT1793AC and LT1793AI grade are 100% temperature tested for the specified temperature range. Note 9: The LT1793 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 5
... C A 160 V = 15V 10pF L 140 120 100 – 20 0.01 1 100 10k 1M FREQUENCY (Hz) 1793 G08 LT1793 Voltage Noise vs Frequency 100 15V S 10 1/f CORNER 30Hz 1 7.8 8 100 FREQUENCY (Hz) 1793 G02 Common Mode Rejection Ratio vs Frequency 120 100 80 ...
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... LT1793 W U TYPICAL PERFOR A Small-Signal Transient Response 1793 G10 s/DIV 10pF 15V Capacitive Load Handling 15V 10k 100mV O P 10k 20pF 0 100 1000 10000 ...
Page 7
... PDIP directly replaces such JFET op amps as the OPA111 and the AD645. The combination of low current and voltage noise of the LT1793 allows it to surpass most dual and single JFET op amps. The LT1793 can replace many of the lowest noise bipolar amps that are used in amplify- ing low level signals from high impedance transducers ...
Page 8
... At these high source resis- tances, the LT1793 will out perform the lowest noise bipolar op amps due to the inherently low current noise of FET input op amps. Clearly, the LT1793 will extend the range of high impedance transducers that can be used for † ...
Page 9
... In the noninverting mode example, the transducer current is converted to a change in voltage by the transducer capacitance This voltage is then buffered by the S LT1793 with a gain R1/R2 path is provided which is either the transducer impedance or an exter- S nal resistor. Since R is usually several orders of magni- ...
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... LT1793 PACKAGE DESCRIPTIO 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 (0.229 – 0.381) +0.035 0.325 –0.015 +0.889 8.255 –0.381 *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm Dimensions in inches (millimeters) unless otherwise noted. ...
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... TYP 0.014 – 0.019 (0.355 – 0.483) LT1793 0.150 – 0.157** (3.810 – 3.988 0.004 – 0.010 (0.101 – 0.254) 0.050 (1 ...
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... R4C2 = R5C3 > R2/R3) C1 OUTPUT = 0.8mV/pC* = 8.0mV/g** –5V TO –15V DC OUTPUT 1.9mV OUTPUT NOISE = 8nV 1kHz *PICOCOULOMBS **g = EARTH’S GRAVITATIONAL CONSTANT COMMENTS Dual Version of LT1792, V Dual Version of LT1793, V 1MHz, 2pA Max I Lower V NOISE C3 10nF – LT1793 OUT + 1793 TA04 ...