INA122UA: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	V_S	Continuous Operation	2.7	-	36	V
Input Voltage Range	V_IN	Referenced to GND	-0.3	-	V_S + 0.3	V
Quiescent Current	I_Q	V_S = 5V	-	0.4	-	mA
Output Voltage Swing	V_OUT	Load = 10 kΩ, V_S = 5V	0.01	-	4.99	V
Common-Mode Rejection Ratio (CMRR)	CMRR	f = 60 Hz, V_S = 5V	86	-	-	dB
Gain	A_V	Differential Mode	5000	-	-	V/V
Bandwidth	f_BW	-3 dB, V_S = 5V	-	80	-	kHz
Input Offset Voltage	V_OS	Initial, V_S = 5V	-	100	-	μV
Input Bias Current	I_B	V_S = 5V	-	10	-	nA
Input Impedance	Z_IN	Differential	-	100	-	MΩ

Power Supply:
- Ensure the supply voltage (V_S) is within the range of 2.7V to 36V.
- Connect the positive supply to the V_S pin and the negative supply (GND) to the GND pin.
Input Connections:
- Connect the non-inverting input (IN+) and inverting input (IN-) to the appropriate signal sources.
- The input voltage range should be from -0.3V to V_S + 0.3V relative to GND.
Output Connections:
- Connect the output (OUT) to the load or next stage of the circuit.
- The output voltage swing is typically from 0.01V to 4.99V for a 5V supply with a 10kΩ load.
Gain Configuration:
- The INA122UA has a fixed gain of 5000 V/V. No external resistors are required for gain setting.
Common-Mode Rejection:
- The INA122UA provides a high common-mode rejection ratio (CMRR) of 86 dB at 60 Hz, which helps in rejecting common-mode noise.
Temperature Considerations:
- The device operates over a temperature range of -40°C to 125°C. Ensure the ambient temperature is within this range to avoid thermal stress.
Layout and Grounding:
- Use a proper PCB layout to minimize noise pickup. Keep the input leads short and shielded if necessary.
- Ensure a good ground connection to reduce common-mode noise and improve stability.
Handling Precautions:
- Handle the device with care to avoid static damage. Use ESD protection when handling the device.
- Avoid exceeding the maximum ratings specified in the datasheet to prevent damage to the device.

By following these instructions, you can ensure optimal performance and reliability of the INA122UA in your application.

(For reference only)