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INA149AID
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HerstellerTexas Instruments
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Herstellerteil #INA149AID
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Auf Lager4709
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | Differential |
| Number of Circuits | 1 |
| Slew Rate | 5V/µs |
| -3 dB Bandwidth | 500 kHz |
| Voltage - Input Offset | 350 µV |
| Supply Current | 810µA |
| Current - Output / Channel | 25 mA |
| Voltage - Supply Span(Min) | 4 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Übersicht
Description
The INA149AID operates with a single power supply ranging from 4.5V to 36V or a dual power supply ranging from ±2.25V to ±18V, providing flexibility in different circuit designs. Its high common-mode rejection ratio (CMRR) ensures excellent noise rejection, making it ideal for use in high-noise environments. The device is commonly used in industrial, automotive, and instrumentation applications where differential signal processing is required.
In summary, the INA149AID is a versatile and reliable difference amplifier that provides accurate differential voltage measurement in high-voltage and noisy environments.
Equivalent
1. Analog Devices' AD629 - A high common-mode voltage difference amplifier.
2. Linear Technology's LTC2053 - A precision difference amplifier.
3. Maxim Integrated's MAX4208 - A high-voltage, high-precision difference amplifier.
These alternatives similarly handle high common-mode voltages and provide precision amplification suitable for various applications. Always verify specifications compatibility for your specific use case.
Features
1. High Common-Mode Voltage Range: Operates with a common-mode voltage from -275 V to +275 V, allowing for wide-range voltage measurements.
2. Differential Input Voltage: Capable of handling differential input voltages from -15 V to +15 V.
3. Wide Supply Range: Functions with a power supply range from 2.7 V to 36 V, making it versatile for different power environments.
4. Low Offset Voltage: Features a low offset voltage, typically 0.1 mV, which enhances measurement accuracy.
5. High CMRR: Offers a high common-mode rejection ratio (CMRR) of 90 dB, ensuring that the amplifier accurately rejects common-mode noise.
6. Low Gain Error: Exhibits a low gain error, typically 0.002%, for precision amplification.
7. Low Input Bias Current: The low input bias current of 40 nA minimizes the effect on high-impedance sources.
8. Operational Temperature Range: Suitable for temperatures from -40°C to 85°C, ensuring reliability in various environmental conditions.
Overall, the INA149AID is ideal for applications requiring precise voltage measurements across a wide common-mode voltage range, such as in motor drives, battery monitoring, and industrial automation systems.
Pinout
Here is a brief overview of its pin functions:
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply or ground.
3. IN+ (Pin 3): Non-inverting input.
4. IN- (Pin 2): Inverting input.
5. REF (Pin 5): Reference voltage input; used for output voltage level adjustment.
6. OUT (Pin 6): Output pin for the amplified differential voltage.
7. NC (Pins 1 and 7): No connection; these pins are typically not used.
The INA149 can handle high common-mode voltages up to ±275V, with its design allowing for accurate measurements within such environments. Its applications include current sensing and battery management systems.