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LT1787

Features: · Input Offset Voltage: 75mV (Max)· 60V Supply Operation (LT1787HV)· 12-Bit Dynamic Range· Operating Current: 60mA· User-Selectable External Sense Resistor· Bidirectional High Side Current Sensing· Unidirectional or Bidirectional Output· Input Noise Filtering·Available in 8-Lead SO and M...

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SeekIC No. : 004400845 Detail

LT1787: Features: · Input Offset Voltage: 75mV (Max)· 60V Supply Operation (LT1787HV)· 12-Bit Dynamic Range· Operating Current: 60mA· User-Selectable External Sense Resistor· Bidirectional High Side Current...

LT1787 Data Sheet

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Part Number:
LT1787
Supply Ability:
5000

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

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Upload time: 2024/11/23

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Product Details

Description



Features:

· Input Offset Voltage: 75mV (Max)
· 60V Supply Operation (LT1787HV)
· 12-Bit Dynamic Range
· Operating Current: 60mA
· User-Selectable External Sense Resistor
· Bidirectional High Side Current Sensing
· Unidirectional or Bidirectional Output
· Input Noise Filtering
·Available in 8-Lead SO and MSOP Packages


Application

· Battery Monitoring
· Power Monitoring
· Portable Phones
· Cellular Phones
· Portable Test/Measurement Systems
· Battery-Operated Systems


Pinout

Connection Diagram


Specifications

Differential Sense Voltage ...................................... ±10V
Total Supply Voltage (LT1787) ................................ 40V
Total Supply Voltage (LT1787HV) ........................... 65V
Output Voltage ...................(VEE 0.3V) to (VEE + 35V)
Output Bias Voltage ........... (VEE 0.3V) to (VEE + 35V)
Operating Temperature Range .............40°C to 85°C
Specified Temperature Range (Note 3) 40°C to 85°C
Storage Temperature Range .............65°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300°C


Description

The LT®1787 is a complete micropower precision high side current sense amplifier. The LT1787 monitors bidirectional currents via the voltage across an external sense resistor. A current or voltage output depicts the direction and magnitude of the sense current. It delivers greater than a 12-bit dynamic range with ultralow 40mV input offset voltage compared to a typical 250mV fullscale input voltage. A fixed gain of 8 is set by onboard precision resistors. Input signal filtering is easily implemented with a capacitor between the FIL and FIL+ pins. The LT1787HV operates from 2.5V to 60V total supply voltage and the LT1787 operates from 2.5V to 36V total supply voltage. Both versions have a PSRR in excess of 120dB. The LT1787/LT1787HV draw only 60mA and are available in 8-lead SO and MSOP packages.




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