Details

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BUY INA129U https://www.utsource.net/itm/p/12610588.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	2.7	-	36	V
Quiescent Current	IQ	VCC = 5V	200	400	600	渭A
Input Bias Current	IB	-	-100	0	100	nA
Common-Mode Rejection Ratio (CMRR)	CMRR	f = 60 Hz, VCC = 5V	80	100	120	dB
Power Supply Rejection Ratio (PSRR)	PSRR	f = 60 Hz, VCC = 5V	80	100	120	dB
Output Voltage Swing	VOUT	VCC = 5V	0.1	-	4.9	V
Gain Bandwidth Product	GBW	-	200	400	600	kHz
Slew Rate	SR	VCC = 5V	0.5	1.0	1.5	V/渭s
Differential Input Voltage Range	VID	-	-0.3	0	0.3	V
Operating Temperature	TA	-	-40	-	125	掳C

Instructions for Using INA129U

1. Power Supply:

   • The INA129U can operate with a supply voltage ranging from 2.7V to 36V. Ensure the supply voltage is within this range to avoid damage to the device.

2. Biasing:

   • The input bias current is very low, typically around 0 nA, but it can vary between -100 nA and 100 nA. This low bias current makes the INA129U suitable for high-impedance applications.

3. Common-Mode Rejection Ratio (CMRR):

   • The CMRR is typically 100 dB at 60 Hz, which means the INA129U effectively rejects common-mode signals, making it ideal for differential signal amplification in noisy environments.

4. Power Supply Rejection Ratio (PSRR):

   • The PSRR is also typically 100 dB at 60 Hz, indicating that the device is robust against power supply variations.

5. Output Voltage Swing:

   • The output voltage swing is from 0.1V to 4.9V when the supply voltage is 5V. Ensure that the load connected to the output does not pull the output voltage beyond these limits.

6. Gain Bandwidth Product (GBW):

   • The GBW is typically 400 kHz, which means the product of the gain and bandwidth should not exceed this value. For example, if the gain is set to 10, the maximum usable bandwidth is 40 kHz.

7. Slew Rate:

   • The slew rate is typically 1.0 V/渭s, which determines the maximum rate of change of the output voltage. This is important for high-frequency applications.

8. Differential Input Voltage Range:

   • The differential input voltage range is 卤0.3V. Ensure that the difference between the two input voltages does not exceed this range to avoid distortion or damage.

9. Operating Temperature:

   • The INA129U can operate over a wide temperature range from -40掳C to 125掳C, making it suitable for a variety of environmental conditions.

10. Layout Considerations:

    • Use short leads and proper grounding techniques to minimize noise pickup and ensure stable operation.
    • Place bypass capacitors close to the power supply pins to filter out any supply noise.

11. Handling:

    • The INA129U is sensitive to electrostatic discharge (ESD). Handle the device with appropriate ESD precautions to avoid damage.

By following these instructions, you can ensure optimal performance and reliability of the INA129U in your application.

(For reference only)