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INA203

ACTIVE

-16 to 80V, 500kHz current sense amplifier w/ dual comparators

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Data sheet

INA203

ACTIVE
Data sheet Order now

Product details

Product type Analog output with integrated comparator Common-mode voltage (max) (V) 80 Common-mode voltage (min) (V) -16 Input offset (±) (max) (µV) 2500 Input offset drift (±) (typ) (µV/°C) 5 Voltage gain (V/V) 20 CMRR (min) (dB) 100 Bandwidth (kHz) 500 Supply voltage (max) (V) 18 Supply voltage (min) (V) 2.7 Iq (max) (mA) 2.8 Number of channels 1 Comparators (#) 2 Gain error (%) 1 Gain error drift (±) (max) (ppm/°C) 100 Slew rate (V/µs) 1 Features Alert Function, Low-side Capable Rating Catalog Operating temperature range (°C) -40 to 125
Product type Analog output with integrated comparator Common-mode voltage (max) (V) 80 Common-mode voltage (min) (V) -16 Input offset (±) (max) (µV) 2500 Input offset drift (±) (typ) (µV/°C) 5 Voltage gain (V/V) 20 CMRR (min) (dB) 100 Bandwidth (kHz) 500 Supply voltage (max) (V) 18 Supply voltage (min) (V) 2.7 Iq (max) (mA) 2.8 Number of channels 1 Comparators (#) 2 Gain error (%) 1 Gain error drift (±) (max) (ppm/°C) 100 Slew rate (V/µs) 1 Features Alert Function, Low-side Capable Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (D) 14 51.9 mm² 8.65 x 6 TSSOP (PW) 14 32 mm² 5 x 6.4 VSSOP (DGS) 10 14.7 mm² 3 x 4.9
  • Complete current sense solution
  • Three gain options available:
    • INA203 = 20 V/V
    • INA204 = 50 V/V
    • INA205 = 100 V/V
  • Dual comparators:
    • Comparator 1 with latch
    • Comparator 2 with optional delay
  • Common-mode range: –16 V to 80 V
  • High accuracy: 3.5% (maximum) over temperature
  • Bandwidth: 500 kHz
  • Quiescent current: 1.8 mA
  • Packages: SO-14, TSSOP-14, VSSOP-10
  • Complete current sense solution
  • Three gain options available:
    • INA203 = 20 V/V
    • INA204 = 50 V/V
    • INA205 = 100 V/V
  • Dual comparators:
    • Comparator 1 with latch
    • Comparator 2 with optional delay
  • Common-mode range: –16 V to 80 V
  • High accuracy: 3.5% (maximum) over temperature
  • Bandwidth: 500 kHz
  • Quiescent current: 1.8 mA
  • Packages: SO-14, TSSOP-14, VSSOP-10

The INA203, INA204, and INA205 are a family of unidirectional current-shunt monitors with voltage output, dual comparators, and voltage reference. The INA203, INA204, and INA205 can sense drops across shunts at common-mode voltages from –16 V to 80 V. The INA203, INA204, and INA205 are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V, with up to 500-kHz bandwidth.

The INA203, INA204, and INA205 also incorporate two open-drain comparators with internal 0.6-V references. On 14-pin versions, the comparator references can be overridden by external inputs. Comparator 1 includes a latching capability, and Comparator 2 has a user-programmable delay. 14-pin versions also provide a 1.2-V reference output.

The INA203, INA204, and INA205 operate from a single 2.7-V to 18-V supply. They are specified over the extended operating temperature range of –40°C to 125°C.

The INA203, INA204, and INA205 are a family of unidirectional current-shunt monitors with voltage output, dual comparators, and voltage reference. The INA203, INA204, and INA205 can sense drops across shunts at common-mode voltages from –16 V to 80 V. The INA203, INA204, and INA205 are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V, with up to 500-kHz bandwidth.

The INA203, INA204, and INA205 also incorporate two open-drain comparators with internal 0.6-V references. On 14-pin versions, the comparator references can be overridden by external inputs. Comparator 1 includes a latching capability, and Comparator 2 has a user-programmable delay. 14-pin versions also provide a 1.2-V reference output.

The INA203, INA204, and INA205 operate from a single 2.7-V to 18-V supply. They are specified over the extended operating temperature range of –40°C to 125°C.
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Type Title Date
* Data sheet INA20x –16-V to 80-V, 500-kHz Current Sense Amplifier With Dual Comparators datasheet (Rev. F) PDF | HTML 18 Jun 2021
Application brief Measuring Current To Detect Out-of-Range Conditions (Rev. D) PDF | HTML 10 Mar 2022
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 25 Jan 2022
Application brief Measuring Current for Handle Multiple Out-of-Range Conditions (Rev. C) PDF | HTML 04 Oct 2021
Circuit design Overcurrent event detection circuit 31 Jul 2018

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