FET-Input, Low Power INSTRUMENTATION AMPLIFIER The INA121 is a precision instrumentation amplifier manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Supply Voltage Range:** ±2.25V to ±18V
- **Quiescent Current:** 750µA (max)
- **Input Offset Voltage:** 250µV (max)
- **Input Offset Voltage Drift:** 3µV/°C (max)
- **Input Bias Current:** 25nA (max)
- **Common-Mode Rejection Ratio (CMRR):** 106dB (min)
- **Gain Range:** 1 to 10,000 (set via external resistor)
- **Bandwidth:** 200kHz (G = 100)
- **Slew Rate:** 0.4V/µs
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
The INA121 is a low-power, high-precision instrumentation amplifier designed for applications requiring high accuracy and low noise. It features a wide supply voltage range and can operate from single or dual supplies. The gain is adjustable using a single external resistor, making it versatile for various signal conditioning tasks.
### **Features:**
- **Low Power Consumption:** 750µA max quiescent current
- **High CMRR:** 106dB min ensures excellent noise rejection
- **Wide Supply Range:** Operates from ±2.25V to ±18V
- **Low Offset Voltage & Drift:** Ensures high DC accuracy
- **Adjustable Gain:** Set from 1 to 10,000 with a single resistor
- **Low Noise:** 15nV/√Hz at 1kHz
- **Stable with Capacitive Loads:** No external compensation needed
- **Available in 8-Pin DIP and SOIC Packages**
This information is strictly factual from the manufacturer's datasheet.
