Datasheet > TLE2142-Q1

TLE2142-Q1

更新时间： 2024-11-29 11:58:35

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
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描述
Excaliburâ¢ LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIER

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TLE2142-Q1 数据手册

TLE2142-Q1

www.ti.com....................................................................................................................................................................................................... SLOS628–JULY 2009

Excalibur™ LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIER

FEATURES

D PACKAGE

(TOP VIEW)

•

Qualified for Automotive Applications

•

Low Noise

1OUT

1IN-

CC+

–

10 Hz: 15 nV/√Hz

2OUT

2IN-

1 kHz: 10.5 nV/√Hz

1IN+

•

10000-pF Load Capability

CC-

2IN+

20-mA Short-Circuit Output Current (Min)

27-V/µs Slew Rate (Min)

High Gain-Bandwidth Product: 5.9 MHz

Single or Split Supply: 4 V to 44 V

Fast Settling Time

–

340 ns to 0.1%

400 ns to 0.01%

•

Large Output Swing:

V_CC–+ 0.1 V to V_CC+– 1 V

DESCRIPTION/ORDERING INFORMATION

The TLE2142 device is a high-performance, internally compensated operational amplifier built using the Texas

Instruments complementary bipolar Excalibur™ process. It is a pin-compatible upgrade to standard industry

products.

The design incorporates an input stage that simultaneously achieves low audio-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%

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% is 400 ns.

The device is stable with capacitive loads up to 10 nF, although the 6-MHz bandwidth decreases to 1.8 MHz at

this high loading level. As such, the TLE2142 is useful for low-droop sample-and-holds and direct buffering of

long cables, including 4-mA to 20-mA current 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/°C 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 V_CC–– 0.3 V to V_CC+– 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 V_CC–+ 0.1 V to V_CC+– 1 V under light current-loading conditions. The device can

sustain shorts to either supply, because output current is internally limited, but care must be taken to ensure that

maximum package power dissipation is not exceeded.

The TLE2142 can also be used as a comparator. Differential inputs of V_CC±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.

The TLE2142 device is available in industry-standard 8-pin small-outline (D) packages. The device is

characterized for operation from –40°C to 125°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Excalibur is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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TLE2142-Q1 替代型号

型号	品牌	替代类型	描述	数据表
TLE2141-EP	TI	功能相似	Excalibur™ LOW-NOISE HIGH-SPEED PRECISION OPE
TLE2141	TI	功能相似	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2142	TI	功能相似	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

与TLE2142-Q1相关器件

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TLE2142QDRQ1	TI	获取价格	Excaliburâ¢ LOW-NOISE HIGH-SPEED PRECISION O
TLE2142X	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2142Y	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION DUAL OPERATIONAL AMPLIFIERS
TLE2144	TI	获取价格	EXCALIBUR LOW NOISE HIGH SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144A	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144ACN	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144ACNE4	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144AIN	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144AINE4	TI	获取价格	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2144AM	TI	获取价格	高速高驱动精密四路运算放大器

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