●Low Noise
10 Hz . . . 15 nV/√Hz
1 kHz . . . 10.5 nV/√Hz
●10000-pF Load Capability
●20-mA Min Short-Circuit Output Current
●7-V/μs Min Slew Rate
●High Gain-Bandwidth Product... 5.9 MHz
●Low VIO . . . 500 μV Max at 25 degree
●Single or Split Supply . . . 4 V to 44 V
●Fast Settling Time 340 ns to 0.1 percent 400 ns to 0.01 percent
●Saturation Recovery . . . 150 ns
●Large Output Swing VCC− plus 0.1 V to VCC plus − 1 V
Kev piav qhia
Cov khoom siv TLE214x thiab TLE214xA yog qhov siab -kev ua tau zoo, cov khoom siv hluav taws xob ua haujlwm sab hauv tau txais txiaj ntsig los ntawm Texas Instruments ntxiv cov txheej txheem bipolar Excalibur. Lub TLE214xA yog ib tug nruj dua offset voltage qib ntawm TLE214x. Ob leeg yog tus pin- hloov kho dua tshiab rau cov khoom lag luam txheem.
The design incorporates an input stage that simultaneously achieves low audio{{0}}band noise of 10.5 nV/√Hz with a 10-Hz 1/f corner and symmetrical 40-V/μs slew rate typically with loads up to 800 pF. The resulting low distortion and high power bandwidth are important in high-fidelity audio applications. A fast settling time of 340 ns to 0.1 percent of a 10-V step with a 2-kΩ/100-pF load is useful in fast actuator/positioning drivers. Under similar test conditions, settling time to 0.01 percent is 400 ns.
Cov khoom siv ruaj khov nrog cov peev txheej thauj mus txog 10 nF, txawm hais tias 6-MHz bandwidth txo qis mus rau 1.8 MHz ntawm qhov kev thauj khoom siab no. Xws li, TLE214x thiab TLE214xA yog qhov muaj txiaj ntsig zoo rau qis -droop qauv-thiab-tuav thiab ncaj qha buffering ntawm cov cables ntev, suav nrog 4-mA rau 20-mA tam sim no loops.
The special design also exhibits an improved insensitivity to inherent integrated circuit component mismatches as is evidenced by a 500-μV maximum offset voltage and 1.7-μV/ degree typical drift. Minimum common-mode rejection ratio and supply-voltage rejection ratio are 85 dB and 90 dB, respectively.
Device performance is relatively independent of supply voltage over the ±2-V to ±22-V range. Inputs can operate between VCC− − 0.3 to VCC plus − 1.8 V without inducing phase reversal, although excessive input current may flow out of each input exceeding the lower common-mode input range. The all-npn output stage provides a nearly rail-to-rail output swing of VCC− − 0.1 to VCC plus − 1 V under light current-loading conditions. The device can sustain shorts to either supply since output current is internally limited, but care must be taken to ensure that maximum package power dissipation is not exceeded.
Both versions can also be used as comparators. Differential inputs of VCC± can be maintained without damage to the device. Open-loop propagation delay with TTL supply levels is typically 200 ns. This gives a good indication as to output stage saturation recovery when the device is driven beyond the limits of recommended output swing.
Both the TLE214x and TLE214xA are available in a wide variety of packages, including both the industry-standard 8-pin small-outline version and chip form for high-density system applications. The C-suffix devices are characterized for operation from 0 degree to 70 degree , I-suffix devices from −40 degree to 105 degree , and M-suffix devices over the full military temperature range of −55 degree to 125 degree .
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