SBOS786B April   2016  – April 2022 INA301-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Alert Output ( ALERT Pin)
      2. 7.3.2 Current-Limit Threshold
        1. 7.3.2.1 Resistor-Controlled Current Limit
          1. 7.3.2.1.1 Resistor-Controlled, Current-Limit Example
        2. 7.3.2.2 Voltage-Source-Controlled Current Limit
      3. 7.3.3 Hysteresis
    4. 7.4 Device Functional Modes
      1. 7.4.1 Alert Mode
        1. 7.4.1.1 Transparent Output Mode
        2. 7.4.1.2 Latch Output Mode
  8. 8 Applications and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Selecting a Current-Sensing Resistor
        1. 8.1.1.1 Selecting a Current-Sensing Resistor Example
      2. 8.1.2 Input Filtering
      3. 8.1.3 INA301-Q1 Operation With Common-Mode Voltage Transients Greater Than 36 V
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

at TA = 25°C, VSENSE = VIN+ – VIN– = 10 mV, VS = 5 V, VIN+ = 12 V, and VLIMIT = 2 V (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
INPUT
VCMCommon-mode input voltage range036V
VINDifferential input voltage rangeVIN = VIN+ – VIN–, INA301A1-Q10250mV
VIN = VIN+ – VIN–, INA301A2-Q10100
VIN = VIN+ – VIN–, INA301A3-Q1050
CMRCommon-mode rejectionINA301A1-Q1, VIN+ = 0 V to 36 V,
TA = –40°C to +125°C		100110dB
INA301A2-Q1, VIN+ = 0 V to 36 V,
TA = –40°C to +125°C		106118
INA301A3-Q1, VIN+ = 0 V to 36 V,
TA = –40°C to +125°C		110120
VOSOffset voltage, RTI(1)INA301A1-Q1±25±125µV
INA301A2-Q1±15±50
INA301A3-Q1±10±35
dVOS/dTOffset voltage drift, RTI(1)TA= –40°C to +125°C0.10.5µV/°C
PSRRPower-supply rejection ratioVS = 2.7 V to 5.5 V, VIN+ = 12 V,
TA = –40°C to +125°C		±0.1±10µV/V
IBInput bias currentIB+, IB–120µA
IOSInput offset currentVSENSE = 0 mV±0.1µA
OUTPUT
GGainINA301A1-Q120V/V
INA301A2-Q150
INA301A3-Q1100
Gain errorINA301A1-Q1, VOUT = 0.5 V to VS – 0.5 V±0.03%±0.1%
INA301A2-Q1, VOUT = 0.5 V to VS – 0.5 V±0.05%±0.15%
INA301A3-Q1, VOUT = 0.5 V to VS – 0.5 V±0.11%±0.2%
TA= –40°C to 125°C310ppm/°C
Nonlinearity errorVOUT = 0.5 V to VS – 0.5 V±0.01%
Maximum capacitive loadNo sustained oscillation500pF
VOLTAGE OUTPUT
Swing to VS power-supply railRL = 10 kΩ to GND,
TA = –40°C to +125°C		VS – 0.05VS – 0.1V
Swing to GNDRL = 10 kΩ to GND,
TA = –40°C to +125°C		VGND + 20VGND + 30mV
FREQUENCY RESPONSE
BWBandwidthINA301A1-Q1550kHz
INA301A2-Q1500
INA301A3-Q1450
SRSlew rate4V/µs
NOISE, RTI(1)
Voltage noise density30nV/√ Hz
COMPARATOR
tpTotal alert propagation delayInput overdrive = 1 mV0.751µs
Slew-rate-limited tpVOUT step = 0.5 V to 4.5 V, VLIMIT = 4 V11.5
ILIMITLimit threshold output currentTA = 25°C79.78080.3µA
TA = –40°C to +125°C79.280.8
VOSComparator offset voltageINA301A1-Q113.5mV
INA301A2-Q114
INA301A3-Q11.54.5
VHYSHysteresisINA301A1-Q120mV
INA301A2-Q150
INA301A3-Q1100
VIHHigh-level input voltage1.46V
VILLow-level input voltage00.4V
VOLAlert low-level output voltageIOL = 3 mA70300mV
ALERT pin leakage input currentVOH = 3.3 V0.11µA
Digital leakage input current0 ≤ VIN ≤ VS1µA
POWER SUPPLY
IQQuiescent currentVSENSE = 0 mV, TA = 25°C500650µA
TA = –40°C to +125°C700
(1) RTI = referred-to-input.