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TLE2142QDRQ1
Automotive Dual Low-Noise High-Speed Precision Operational Amplifier 8-SOIC -40 to 125
1FEATURES1OUT
1IN-
1IN+
VCC-
VCC+
2OUT
2IN-
2IN+
D PACKAGE
(TOP VIEW)
DESCRIPTION/ORDERING INFORMATION
TLE2142-Q1
www.ti.com....................................................................................................................................................................................................... SLOS628–JULY 2009
Excalibur™ LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIER Qualified for Automotive Applications Low Noise 10 Hz:15 nV/√Hz 1 kHz: 10.5 nV/√Hz 10000-pF Load Capability 20-mA Short-Circuit Output Current (Min) 27-V/μs Slew Rate (Min) High Gain-Bandwidth Product: 5.9 MHz Singleor Split Supply:4Vto44V Fast Settling Time 340 nsto 0.1% 400 nsto 0.01% Large Output Swing:
VCC–+ 0.1Vto VCC+–1VThe TLE2142 deviceisa high-performance, internally compensated operational amplifier built using the Texas
Instruments complementary bipolar Excalibur™ process.Itisa pin-compatible upgradeto standard industry
products.
The design incorporates an input stage that simultaneously achieves low audio-band noiseof 10.5 nV/√Hz witha
10-Hz1/f corner and symmetrical 40-V/μs slew rate typically with loadsupto 800 pF. The resulting low distortion
and high power bandwidth are importantin high-fidelity audio applications.A fast settling timeof 340nsto 0.1%a 10-V step witha 2-kΩ/100-pF loadis usefulin fast actuator/positioning drivers. Under similar test conditions,
settling timeto 0.01%is 400 ns.
The deviceis stable with capacitive loads upto10 nF, although the 6-MHz bandwidth decreasesto 1.8 MHzat
this high loading level. As such, the TLE2142is useful for low-droop sample-and-holds and direct bufferingof
long cables, including 4-mAto 20-mA current loops.
The special design also exhibitsan improved insensitivityto inherent integrated circuit component mismatchesas evidencedbya 500-μV maximum offset voltage and 1.7-μV/°C typical drift. Minimum common-mode rejection
