Deep-Dive with AI
Search across all available documentation for this part.
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | INA190A1IDDFT |
|---|---|
| Amplifier Type | Current Sense |
| Current - Input Bias | 500 pA |
| Current - Supply | 48 µA |
| Gain Bandwidth Product | 45 kHz |
| Mounting Type | Surface Mount |
| Number of Circuits | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Rail-to-Rail |
| Package / Case | SOT-23-8 Thin, TSOT-23-8 |
| Slew Rate | 0.3 V/Ás |
| Supplier Device Package | TSOT-23-8 |
| Voltage - Input Offset | 3 µV |
| Voltage - Supply Span (Max) [Max] | 5.5 V |
| Voltage - Supply Span (Min) [Min] | 1.7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 4.64 | |
| 10 | $ 3.08 | |||
| 25 | $ 2.68 | |||
| 100 | $ 2.22 | |||
| Digi-Reel® | 1 | $ 4.64 | ||
| 10 | $ 3.08 | |||
| 25 | $ 2.68 | |||
| 100 | $ 2.22 | |||
| Tape & Reel (TR) | 250 | $ 2.33 | ||
| 500 | $ 2.09 | |||
| 1250 | $ 1.76 | |||
| 2500 | $ 1.68 | |||
Description
General part information
INA190-Q1 Series
The INA190-Q1 is an automotive, low-power, voltage-output, current-shunt monitor (also called a current-sense amplifier). This device is commonly used for monitoring systems directly connected to an automotive 12-V battery. The INA190-Q1 can sense drops across shunts at common-mode voltages from –0.2 V to +40 V, independent of the supply voltage. In addition, the input pins have an absolute maximum voltage of 42 V.
The low input bias current of the device permits the use of larger current-sense resistors, thus providing accurate current measurements in the microamp range. The low offset voltage of the zero-drift architecture extends the dynamic range of the current measurement. This feature allows for smaller sense resistors with lower power loss, while still providing accurate current measurements.
The INA190-Q1 operates from a single 1.7-V to 5.5-V power supply, and draws a maximum of 65 µA of supply current when enabled; only 0.1 µA when disabled. Five fixed gain options are available: 25 V/V, 50 V/V, 100 V/V, 200 V/V, or 500 V/V. The device is specified over the operating temperature range of –40°C to +125°C, and offered in SC70 and SOT-23 packages.
Documents
Technical documentation and resources
No documents available
