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LMP8270

Features: ·Typical Values, TA = 25°C·Input Offset Voltage 1mV max·TCVos (LMP8270) 15µV/°C max·TCVos (LMP8275) 30µV/°C max·CMRR 80dB Min·Extended CMVR -5V to 36V·Output Voltage Swing Rail to Rail·Bandwidth 80KHz·Operating Temperature Range (Ambient) -40°C to 125°C·Operating Temperature ...

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SeekIC No. : 004396760 Detail

LMP8270: Features: ·Typical Values, TA = 25°C·Input Offset Voltage 1mV max·TCVos (LMP8270) 15µV/°C max·TCVos (LMP8275) 30µV/°C max·CMRR 80dB Min·Extended CMVR -5V to 36V·Output Voltage Swing Rail...

LMP8270 Data Sheet

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Part Number:
LMP8270
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Typical Values, TA = 25°C
·Input Offset Voltage 1mV max
·TCVos (LMP8270) 15µV/°C max
·TCVos (LMP8275) 30µV/°C max
·CMRR 80dB Min
·Extended CMVR -5V to 36V
·Output Voltage Swing Rail to Rail
·Bandwidth 80KHz
·Operating Temperature Range (Ambient) -40°C to 125°C
·Operating Temperature Range (bare die) -40°C to 150°C
·Supply Voltage 4.5V to 5.5V
·Supply Current 1mA




Application

·Fuel Injection Control
·Low Side Driver Configuration Current Sensing
·Power Management Systems




Pinout

Connection Diagram




Specifications

Offset Voltage max, 25C 1 mV
TcVos 6 uV/degC
CMRR 95 dB
PSRR 80 dB
Avol 20 dB
Voltage Noise 452 nV/root(Hz)
Max Input Bias Current 20000 nA
Gain Bandwidth 0.08 MHz
Supply Current Per Channel 1 mA
PowerWise Rating 2 12500 uA/MHz
Slew Rate 0.7 Volts/usec
Channels 1 Channels
Supply Min 4.75 Volt
Supply Max 5.5 Volt
Input OutputType R-R In and Out
Output Current 1 mA
Shut down No
Special Features Diff Input; Fixed Av+20; Vcm to +27V
Temperature Min -40 deg C
Temperature Max 125 deg C
Function Op Amp
Automotive Selection Guide Yes
View Using Catalog


ESD Tolerance (Note 2)
Human Body Model
For input pins only ............................................................±4000V
For All other pins ..............................................................±2000V
Machine Model ......................................................................200V
Supply Voltage (VS - GND) ...................................................5.75V
CMVR Continuous ....................................................-5 to 42 Volts
Transient (300 ms) ..............................................-TBD to 45 Volts
Storage Temperature Range ................................-65 to +150
Junction Temperature (Note 3) ..................................+150 MAX
Soldering Information
Infrared or Convection (20 sec) ...........................................235
Wave Soldering Lead Temp. (10 sec) ...................................260




Description

The LMP8270 is a fixed gain differential amplifier with a −2V to 16V input common mode voltage range and a supply voltage range of 4.75V to 5.5V. The LMP8270 is part of the LMP precision amplifier family which will detect, amplify and filter small differential signals in the presence of high common mode voltages. The gain is fixed at 20 and is adequate to drive an ADC to full scale in most cases. This gain is achieved in two stages, a preamplifier with a fixed gain of 10 and a second stage amplifier with a fixed gain of 2. The internal signal path between these two stages is brought out on two pins, A1 and A2, which provide a connection for a filter network.

The LMP8270 will function over an extended common mode input voltage range making the device suitable for applications with load dump events such as automotive systems.

More Application Notes

Title Size in Kbytes Date
AN-1923: Application Note 1923 Current Sense Demo Board (SOIC) User`s Guide 3507 Kbytes 29-Apr-09 Download

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