SBOU243A September   2020  – December 2020 INA2290

 

  1.   Trademarks
  2. 1General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  3. 2Overview
    1. 2.1 EVM Kit Contents
    2. 2.2 Related Documentation From Texas Instruments
  4. 3Hardware
    1. 3.1 Features
  5. 4Operation
    1. 4.1 Quick Start Setup
    2. 4.2 Measurements
  6. 5EVM Components
    1. 5.1 R2_n, R3_n, R4_n, R6_n, R7_n, R8_n, C2_n, C3_n, C4_n, C5_n
    2. 5.2 C1_An
    3. 5.3 R1_n, R5_n (Rshunt)
    4. 5.4 U1_n (INA2290)
  7. 6Schematic, PCB Layout, and Bill of Materials
    1. 6.1 Schematics
    2. 6.2 PCB Layout
    3. 6.3 Bill of Materials
  8. 7Revision History

2 Overview

The INA2290 device is a voltage-output, high-side dual channel current sense amplifier in a VSSOP (8) package. As shown in Table 2-1, the INA2290 has gains that range from 20 V/V to 500 V/V, depending on the gain option that is selected. The voltage developed across the device inputs is amplified by the corresponding gain of the specific device, and is presented at the output pin. The device can accurately sense voltage drops across shunts at 2.7-V to +120-V common-mode voltages, dependent of supply voltages. The device survives common-mode voltages from –20 V to +122 V. The device operates with supply voltages between 2.7 V and 20 V, and draws a typical of 350 µA per channel at room temperature.

Table 2-1 INA2290 Gain Option Summary
Product(1) Gain (V/V)
INA2290A1 20
INA2290A2 50
INA2290A3 100
INA2290A4 200
INA2290A5 500
(1) INA2290 is a preview device.