Overview
The LT1167CS8-1#PBF is a precision instrumentation amplifier manufactured by Analog Devices Inc. This device is designed for low power consumption and high accuracy, making it suitable for a wide range of applications requiring precise signal amplification. The LT1167 series is known for its single resistor gain programmability, allowing gains from 1 to 10,000 with high precision and low noise.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.3 to 18 | V |
| Input Offset Voltage | 40 | μV |
| Input Offset Voltage Drift | 0.3 | μV/°C |
| Gain Error (G = 10) | 0.08% | % |
| Gain Nonlinearity (G = 10) | 10 ppm | ppm |
| Input Bias Current | 350 | pA |
| Common Mode Rejection Ratio (CMRR) at G = 1 | 90 dB | dB |
| Power Supply Rejection Ratio (PSRR) at G = 1 | 105 dB | dB |
| Supply Current | 1.3 mA | mA |
| Voltage Noise at 1 kHz | 7.5 nV/√Hz | nV/√Hz |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 8-Pin SOIC |
Key Features
- Single Resistor Gain Programmability: Allows gains from 1 to 10,000 with a single external resistor.
- Low Power Consumption: Typical supply current of 1.3 mA for supplies from 2.3V to 18V.
- High Accuracy: Low gain error (0.08% max at G = 10) and nonlinearity (10 ppm max at G = 10).
- Low Noise: Voltage noise of 7.5 nV/√Hz at 1 kHz.
- High CMRR and PSRR: Common Mode Rejection Ratio (CMRR) of 90 dB and Power Supply Rejection Ratio (PSRR) of 105 dB at G = 1.
- ESD Protection: Inputs are ESD protected up to 13 kV (human body model).
- Capacitive Load Handling: Output can handle capacitive loads up to 1000 pF in any gain configuration.
Applications
- Medical Equipment: For precise signal amplification in medical devices such as ECGs and blood pressure monitors.
- Industrial Automation: In applications requiring high accuracy and low noise, such as process control and sensor signal conditioning.
- Aerospace and Defense: For critical signal amplification in aerospace and defense systems where high precision and reliability are essential.
- Test and Measurement Equipment: In instruments that require accurate signal amplification, such as multimeters and oscilloscopes.
Q & A
- What is the supply voltage range for the LT1167CS8-1#PBF?
The supply voltage range is from 2.3V to 18V.
- How is the gain set for the LT1167CS8-1#PBF?
The gain is set using a single external resistor, allowing gains from 1 to 10,000.
- What is the typical input offset voltage of the LT1167CS8-1#PBF?
The typical input offset voltage is 40 μV.
- What is the common mode rejection ratio (CMRR) of the LT1167CS8-1#PBF at a gain of 1?
The CMRR at a gain of 1 is 90 dB).
- How much current does the LT1167CS8-1#PBF typically draw from the supply?
The typical supply current is 1.3 mA).
- What is the voltage noise of the LT1167CS8-1#PBF at 1 kHz?
The voltage noise at 1 kHz is 7.5 nV/√Hz).
- Is the LT1167CS8-1#PBF ESD protected?
Yes, the inputs are ESD protected up to 13 kV (human body model)).
- What is the operating temperature range for the LT1167CS8-1#PBF?
The operating temperature range is from -40°C to 85°C).
- In what package types is the LT1167CS8-1#PBF available?
The LT1167CS8-1#PBF is available in an 8-Pin SOIC package).
- What are some common applications for the LT1167CS8-1#PBF?
Common applications include medical equipment, industrial automation, aerospace and defense, and test and measurement equipment).
