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LMP7716MMX, LMP7717, LMP7731

Table of contents:
Info of LMP7716MMX
Info of LMP7717
Info of LMP7731

LMP7716MMX, LMP7717, LMP7731 Selling Leads, Datasheet

MFG:NSC Package Cooled:N/A D/C:08+

LMP7716MMX, LMP7717, LMP7731 Datasheet download

Five Points

Part Number: LMP7716MMX

MFG: NSC

Package Cooled: N/A

D/C: 08+

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LMP7717 General Description

The LMP7717 (single) and the LMP7718 (dual) low noise, CMOS input operational amplifiers offer a low input voltage noise density of 5.8 nV/Hz while consuming only 1.15 mA (LMP7717) of quiescent current. The LMP7717/LMP7718 are stable at a gain of 10 and have a gain bandwidth (GBW) product of 88 MHz. The LMP7717/LMP7718 have a supply voltage range of 1.8V to 5.5V and can operate from a single supply. The LMP7717/LMP7718 each feature a rail-to-rail output stage. Both amplifiers are part of the LMP^®precision amplifier family and are ideal for a variety of instrumentation applications.

The LMP7717 family provides optimal performance in low voltage and low noise systems. A CMOS input stage, with typical input bias currents in the range of a few femto-Amperes, and an input common mode voltage range, which includes ground, make the LMP7717/LMP7718 ideal for low power sensor applications where high speeds are needed.

The LMP7717/LMP7718 are manufactured using National's advanced VIP50 process. The LMP7717 is offered in either a 5-Pin SOT23 or an 8-Pin SOIC package. The LMP7718 is offered in either the 8-Pin SOIC or the 8-Pin MSOP.

LMP7717 Maximum Ratings

ESD Tolerance (Note 2)
Human Body Model ..................2000V
Machine Model .....................200V
V_IN Differential ....................±0.3V
Supply Voltage (V+ V−) ...............6.0V
Input/Output Pin Voltage V+........+0.3V, V− −0.3V
Storage Temperature Range....... −65°C to 150°C
Junction Temperature (Note 3) ...........+150°C
Soldering Information
Infrared or Convection (20 sec) ...........235°C
Wave Soldering Lead Temp (10 sec).........260°C
Operating Ratings (Note 1)
Temperature Range (Note 3)....... −40°C to 125°C
Supply Voltage (V+ V−)
−40°C T_A 125°C .............2.0V to 5.5V
0°C T_A 125°C............... 1.8V to 5.5V
Package Thermal Resistance (JA (Note 3))
5-Pin SOT23 ....................180°C/W
8-Pin SOIC .....................190°C/W
8-Pin MSOP .................. ..236°C/W

LMP7717 Features

(Typical 5V supply, unless otherwise noted)
Input offset voltage ±150 V (max)
Input referred voltage noise 5.8 nV/Hz
Input bias current 100 fA
Gain bandwidth product 88 MHz
Supply voltage range 1.8V to 5.5V
Supply current per channel
- LMP7717 1.15 mA
- LMP7718 1.30 mA
Rail-to-Rail output swing
- @ 10 k load 25 mV from rail
- @ 2 k load 45 mV from rail
Guaranteed 2.5V and 5.0V performance
Total harmonic distortion 0.04% @1 kHz, 600
Temperature range −40°C to 125°C

LMP7717 Typical Application

ADC interface
Photodiode amplifiers
Active filters and buffers
Low noise signal processing
Medical instrumentation
Sensor interface applications

LMP7717 Connection Diagram

LMP7731 General 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.

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.

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.

The LMP7731 is offered in the space saving 5-Pin SOT-23 and 8-Pin SOIC packages.

Design Tools

Title	Size in Kbytes	Date
WEBENCH Sensor Designer Tool			View

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Application Notes

Title	Size in Kbytes	Date
AN-1873: Application Note 1873 DC Parameters	249 Kbytes	19-Jun-08	Download
AN-1873 (Chinese): Application Note 1873 DC Parameters	379 Kbytes
AN-1515: Application Note 1515 A Comprehensive Study of the Howland Current Pump	227 Kbytes	29-Jan-08	Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

LMP7731 Maximum Ratings

Offset Voltage max, 25C	0.05 mV
TcVos	1 uV/degC
CMRR	120 dB
PSRR	129 dB
Avol	130 dB
Voltage Noise	2.9 nV/root(Hz)
Max Input Bias Current	85 nA
Gain Bandwidth	22 MHz
Supply Current Per Channel	2.2 mA
PowerWise Rating 2	100 uA/MHz
Slew Rate	2.4 Volts/usec
Channels	1 Channels
Supply Min	2.5 Volt
Supply Max	5 Volt
Input OutputType	R-R In and Out
Output Current	47 mA
Shut down	No
Special Features	Ultra Low Noise
Temperature Min	-40 deg C
Temperature Max	125 deg C
Function	Op Amp
Automotive Selection Guide	Yes
PowerWise	Yes
View Using Catalog

LMP7731 Connection Diagram

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