INA241A4IDDFR

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INA241A4IDDFR

-5-V TO 110-V BIDIRECTIONAL ULTR

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Spezifikationen

Part Status Active
Amplifier Type Current Sense
Number of Circuits 1
Slew Rate 8V/µs
Current - Input Bias 35 µA
Voltage - Input Offset 3 µV
Current - Supply 2.5mA
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 20 V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package SOT-23-8 Thin, TSOT-23-8
Supplier Device Package TSOT-23-8
Packaging Cut Tape (CT), Tape & Reel (TR)
-3db Bandwidth 1.1 MHz

Übersicht

Description

INA241A4IDDFR is TI’s current-sense amplifier in an 8-pin DDFR package. It measures the voltage across a shunt resistor and outputs a voltage that is proportional to the sensed current, enabling accurate, real-time monitoring in power systems.
Key points:
- High-side or low-side current sensing with a wide input/common-mode range
- Very low input offset and good CMRR for accurate measurements
- Output is a buffered voltage suitable for direct ADC/microcontroller input
- Suitable for battery packs, motor drivers, DC-DC converters, and power-management applications
- Robust packaging (DDFR 8-pin) with typical industrial temperature range
The A4IDDFR suffix denotes a specific variant and package option. For exact electrical specs (gain options, supply range, bandwidth, offsets, CMRR, temperature range), consult the TI datasheet for INA241A4IDDFR. If you want, I can pull or summarize the precise parameters.

Features

Here are the key features of INA241A4IDDFR (high‑side current sense monitor in an 8‑pin package):
- High‑side current sensing with differential inputs across a shunt resistor
- Bidirectional current measurement (positive and negative current flow)
- Output voltage proportional to the sensed shunt voltage
- Wide input/common‑mode voltage range to accommodate high-side sensing
- Reference (REF) pin to adjust output baseline (offset)
- Low input offset and drift for accurate measurements
- Fast response with good CMRR and overall accuracy
- Built‑in protection features (input protection, fault/short‑circuit protection)
- Low quiescent current for efficiency
- 8‑pin DDFR package; RoHS compliant; suitable for automotive/industrial environments
- Extended operating temperature range for harsh environments
Note: For exact electrical specs (voltage ranges, gains, and protection limits), consult the official datasheet.

Package

An 8-pin Small Outline package (SOIC-8).

Pinout

- Pin count: 8 pins (DDFR indicates VSSOP-8 package).
- Function: High-side current-sense amplifier. It measures the voltage drop across a shunt resistor on the high side and outputs a single-ended voltage proportional to the sensed current. It uses differential inputs (IN+ and IN−), a reference pin (REF) for offset, and standard power/ground/output pins (V+, GND, VOUT).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- Company type: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits; one of the world's largest producers of analog ICs.

Application

INA241A4IDDFR is a high-side current-sense amplifier. Typical applications:
- High-side current sensing in power supplies and DC-DC converters
- Motor control and drives
- Automotive battery management and 12–48 V systems
- Solar inverters, battery chargers, and energy meters
- Industrial equipment for load monitoring and overcurrent protection
- Power-management ICs needing precise, low-offset current measurement across a wide common-mode range

Versand

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