INA128P: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	V_CC	-	2.7	-	36	V
Quiescent Current	I_Q	V_CC = ±15V	-	0.6	-	mA
Input Offset Voltage	V_OS	-	-	0.25	2.5	mV
Input Bias Current	I_B	-	-	50	100	nA
Input Impedance	R_IN	-	-	100	-	MΩ
Common-Mode Rejection Ratio	CMRR	f = 60 Hz	86	96	-	dB
Power-Supply Rejection Ratio	PSRR	f = 60 Hz	84	94	-	dB
Bandwidth (Unity Gain)	f_BW	-	-	1.2	-	MHz
Slew Rate	SR	-	-	0.4	-	V/μs
Output Voltage Swing	V_OUT	V_CC = ±15V	-13.5	-	13.5	V

Power Supply:
- Ensure the supply voltage is within the range of 2.7V to 36V.
- For optimal performance, use a stable power supply.
Input Connections:
- Connect the non-inverting input (pin 2) and inverting input (pin 3) to the signals you want to amplify.
- Use high-impedance sources to minimize loading effects.
Output Configuration:
- The output (pin 6) can swing from approximately 1.5V below the negative supply to 1.5V below the positive supply.
- Ensure the load resistance is appropriate for the output current capability.
Gain Setting:
- The gain is set by the external resistor R_G connected between pins 1 and 8.
- Gain (G) = 1 + (50 kΩ / R_G)
- For example, to achieve a gain of 100, use R_G = 500 Ω.
Common-Mode Rejection:
- The INA128P has excellent common-mode rejection, but ensure that the common-mode voltage is within the specified range to avoid distortion.
Temperature Considerations:
- The device is designed to operate over a temperature range of -40°C to +85°C.
- Be aware of thermal considerations and provide adequate heat dissipation if necessary.
PCB Layout:
- Use a ground plane to reduce noise and improve stability.
- Keep input leads short to minimize pickup of interference.
Testing and Troubleshooting:
- Verify all connections before applying power.
- Use a multimeter to check for proper supply voltages and output levels.
- If the output is not as expected, check the gain resistor and input signals.

By following these instructions, you can effectively use the INA128P in your applications.

(For reference only)