Datasheet > TPS76815_15

TPS76815_15

更新时间： 2024-01-26 03:55:05

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德州仪器 - TI		/
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26页	1032K
描述
FAST TRANSIENT RESPONSE, 1-A LOW-DROPOUT VOLTAGE REGULATORS

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TPS76815_15 数据手册

LMP7731

www.ti.com

SNOSAT6E –JULY 2007–REVISED MARCH 2013

2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier

Check for Samples: LMP7731

FEATURES

DESCRIPTION

The LMP7731 is a single, low noise, rail-to-rail input

and output, low voltage amplifier. The LMP7731 is

part of the LMP™ precision amplifier family and is

ideal for precision and low noise applications with low

voltage requirements.

(Typical Values, T_A= 25°C, V_S= 5V)

•

Input Voltage Noise

–

f = 3 Hz 3.3 nV/√Hz

f = 1 kHz 2.9 nV/√Hz

•

CMRR 130 dB

This operational amplifier offers low voltage noise of

2.9 nV/√Hz with a 1/f corner of only 3 Hz. The

LMP7731 has bipolar input stages with a bias current

of only 1.5 nA. This low input bias current,

complemented by the very low level of voltage noise,

makes the LMP7731 an excellent choice for

photometry applications.

Open Loop Gain 130 dB

GBW 22 MHz

Slew Rate 2.4 V/µs

THD @ f = 10 kHz, A_V= +1, R_L= 2 kΩ 0.001%

Supply Current per Channel 2.2 mA

Supply Voltage Range 1.8V to 5.5V

Operating Temperature Range −40°C to 125°C

Input Bias Current ±1.5 nA

RRIO

The LMP7731 provides a wide GBW of 22 MHz while

consuming only 2 mA of current. This high gain

bandwidth along with the high open loop gain of 130

dB enables accurate signal conditioning in

applications with high closed loop gain requirements.

The LMP7731 has a supply voltage range of 1.8V to

5.5V, making it an ideal choice for battery operated

portable applications.

APPLICATIONS

•

Gas Analysis Instruments

Photometric Instrumentation

Medical Instrumentation

The LMP7731 is offered in the space saving 5-Pin

SOT-23 and 8-Pin SOIC packages.

Typical Performance Characteristics

Input Voltage Noise

Input Current Noise

vs.

Frequency

100

= 2.5V, 3.3V, 5V

V = 2.5V, 3.3V, 5V

= 0.5V

= 2.5V

0.1

100

10k

FREQUENCY (Hz)

Figure 1.

Figure 2.

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.

LMP is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

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...26

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与TPS76815_15相关器件

型号	品牌	获取价格	描述	数据表
TPS76815-EP	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815Q	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815-Q1	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QD	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QDG4	TI	获取价格	FAST TRANSIENT RESPONSE, 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QDR	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QDRG4	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QPWP	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QPWPG4	TI	获取价格	FAST TRANSIENT RESPONSE, 1-A LOW-DROPOUT VOLTAGE REGULATORS
TPS76815QPWPR	TI	获取价格	FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS

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