NTE925 integrated circuit instrumentation operational amplifier description: the NTE925 is an operational amplifier in an 8 ? lead metal can featuring superior performance in applications where low noise, low drift, and accurate closed loop gain are required. with high common mode rejection and offset null capability, this device is especially suited for low level instrumentation applications over a wide supply voltage range. features; high open loop gain: 3,000.00 low input voltage drift: 0.6 v/ c high common mode rejection: 120db low input noise current: 0.15pa/ hz low input offset current: 2na high input voltage range: 14v wide power supply range: 3v to 22v offset null capability output short circuit protection absolute maximum ratings: supply voltage 22v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . internal power dissipation 500mw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . derate above t a = +75 c +150 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . differential input voltage 5v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage (note 1) 22v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . maximum junction temperature, t j +150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating temperature range, t a 0 to +70 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 65 to +150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lead temperature (during soldering, 10 sec), t l +260 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . note 1. for supply voltages less than 22v, the absolute maximum input voltage is equal to the supply voltage.
electrical characteristics: (v s = 15v, t a = +25 c, note 1 unless otherwise specified) parameter test conditions min typ max unit input offset voltage with t e t l t i r s 10k ? ? 0.5 2.5 mv pg without external trim s t a = 0 to +70 c ? ? 3.5 mv average input offset voltage drift without external trim r s = 50 ? , t a = 0 to +70 c ? 2.0 ? v/ c with external trim s a ? 0.6 ? v/ c input offset current ? 2.0 35 na p t a = +70 c ? 1.2 35 na t a = 0 c ? 4.0 50 na average input offset current drift t a = 0 to +70 c ? 10 ? pa/ c input bias current ? 42 125 na p t a = +70 c ? ? 125 na t a = 0 c ? ? 250 na input noise voltage f o = 10hz ? 15 ? nv/ hz pg f o = 100hz ? 9 ? nv/ hz f o = 1khz ? 8 ? nv/ hz input noise current f o = 10hz ? 1.0 ? pa/ hz p f o = 100hz ? 0.3 ? pa/ hz f o = 1khz ? 0.15 ? pa/ hz input resistance ? 15 ? m ? input voltage range 13.5 14.0 ? v large signal voltage gain r l 2k ? v out = 10v 250 3000 ? v/mv gg g l t a = +70 c 125000 ? ? v/v t a = 0 c 125000 ? ? v/v common mode rejection ratio r s 10k ? 94 120 ? db j s t a = 0 to +70 c ? 115 ? db power supply rejection ratio r s 10k ? ? 2.0 35 v/v pp y j s t a = 0 to +70 c ? 20 ? v/v output voltage swing r l 10k ? 12.0 13.5 ? v pgg r l 2k ? 10.0 13.5 ? v l t a = 0 to +70 c 10.0 ? ? v power consumption ? 80 150 mw note 1. for supply voltages less than 22v, the absolute maximum input voltage is equal to the supply voltage.
.370 (9.39) dia max .335 (8.52) dia max .018 (0.45) dia typ .032 (0.82) 45 .177 (4.5) max .492 (12.5) min .200 (5.06) dia 1 2 3 4 5 6 7 8 pin connection daigram (top view) 8 7 6 5 4 3 2 1 offset null invert input non ? invert input v ( ? ) compensation output v (+) offset null
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