SBOS393F March   2007  – June 2021 INA203 , INA204 , INA205

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: Current-Shunt Monitor
    6. 6.6 Electrical Characteristics: Comparator
    7. 6.7 Electrical Characteristics: Reference
    8. 6.8 Electrical Characteristics: General
    9. 6.9 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Basic Connections
      2. 7.3.2 Selecting RSHUNT
      3. 7.3.3 Comparator
      4. 7.3.4 Comparator Delay (14-Pin Version Only)
      5. 7.3.5 Comparator Maximum Input Voltage Range
    4. 7.4 Device Functional Modes
      1. 7.4.1 Input Filtering
      2. 7.4.2 Accuracy Variations as a Result Of VSENSE and Common-Mode Voltage
        1. 7.4.2.1 Normal Case 1: VSENSE ≥ 20 mV, VCM ≥ VS
        2. 7.4.2.2 Normal Case 2: VSENSE ≥ 20 mV, VCM < VS
        3. 7.4.2.3 Low VSENSE Case 1
        4. 7.4.2.4 Low VSENSE Case 2: VSENSE < 20 mV, 0 V ≤ VCM ≤ VS
      3. 7.4.3 Transient Protection
      4. 7.4.4 Output Voltage Range
      5. 7.4.5 Reference
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  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 Related Links
    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

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|14
  • DGS|10
  • PW|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics: Current-Shunt Monitor

At TA = 25°C, VS = 12 V, VCM = 12 V, VSENSE = 100 mV, RL = 10 kΩ to GND, Rpullup = 5.1 kΩ each connected from CMP1 OUT and CMP2 OUT to VS, and CMP1 IN+ = 1 V and CMP2 IN– = GND, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT
VSENSE Full-Scale Sense Input Voltage VSENSE = VIN+  – VIN– 0.15 (VS  – 0.25)/Gain V
VCM Common-Mode Input Range TA = –40°C to 125°C –16 80 V
CMRR Common-Mode Rejection Ratio VCM = –16 V to 80 V 80 100 dB
CMRR over Temperature VCM = 12 V to 80 V TA = –40°C to 125°C 100 123 dB
VOS Offset Voltage, RTI (1) ±0.5 ±2.5 mV
25°C to 125°C ±3 mV
–40°C to 25°C ±3.5 mV
dVOS/dT Offset Voltage, RTI (1) vs. Temperature TMIN to TMAX TA = –40°C to 125°C 5 μV/°C
PSR Offset Voltage, RTI (1) vs. Power Supply VOUT = 2 V,
VCM = 18 V, 2.7 V		 TA = –40°C to 125°C 2.5 100 μV/V
IB Input Bias Current,
VIN– Pin		 TA = –40°C to 125°C ±9 ±16 μA
OUTPUT (VSENSE  ≥ 20 mV)
G Gain INA203 20 V/V
INA204 50 V/V
INA205 100 V/V
Gain Error VSENSE = 20 mV to 100 mV ±0.2% ±1%
Gain Error over Temperature VSENSE = 20 mV to 100 mV TA = –40°C to 125°C ±2%
Total Output Error (2) VSENSE = 120 mV,
VS = 16 V		 ±0.75% ±2.2%
Total Output Error (2) over Temperature VSENSE = 120 mV,
VS = 16 V		 TA = –40°C to 125°C ±3.5%
Nonlinearity Error (3) VSENSE = 20 mV to 100 mV ±0.002%
RO Output Impedance, Pin 2 1.5 Ω
Maximum Capacitive Load No Sustained Oscillation 10 nF
OUTPUT (VSENSE < 20 mV) (4)
INA203, INA204, INA205 output –16 V ≤ VCM < 0 V 300 mV
INA203 output 0 V ≤ VCM ≤ VS, VS = 5 V 0.4 V
INA204 output 0 V ≤ VCM ≤ VS, VS = 5 V 1 V
INA205 output 0 V ≤ VCM ≤ VS, VS = 5 V 2 V
INA203, INA204, INA205 output VS < VCM ≤ 80 V 300 mV
VOLTAGE OUTPUT (5)
Output Swing to the Positive Rail VIN– = 11 V,
VIN+ = 12 V		 TA = –40°C to 125°C (Vs) – 0.15 (Vs) – 0.25 V
Output Swing to GND (6) VIN– = 0 V,
VIN+ = –0.5 V		 TA = –40°C to 125°C (VGND) + 0.004 (VGND) + 0.05 V
FREQUENCY RESPONSE
BW Bandwidth INA203; CLOAD = 5 pF 500 kHz
INA204; CLOAD = 5 pF 300 kHz
INA205; CLOAD = 5 pF 200 kHz
Phase Margin CLOAD < 10 nF 40
SR Slew Rate 1 V/μs
Settling Time (1%) VSENSE = 10 mVPP to 100 mVPP,
CLOAD = 5 pF		 2 μs
NOISE, RTI
Output Voltage Noise Density 40 nV/√ Hz
(1) Offset is extrapolated from measurements of the output at 20 mV and 100 mV VSENSE.
(2) Total output error includes effects of gain error and VOS.
(3) Linearity is best fit to a straight line.
(4) For details on this region of operation, see the Section 7.4.2 section in the Section 8.
(5) See Typical Characteristic curve Positive Output Voltage Swing vs. Output Current (Figure 6-8).
(6) Specified by design; not production tested.