Overview
The PGA206UA is a high-speed, programmable gain instrumentation amplifier produced by Texas Instruments. It is part of the PGA206 and PGA207 family, which are ideally suited for data acquisition systems. This amplifier features digitally programmable gains, fast settling times, and FET inputs, making it highly versatile for various applications. The PGA206UA is available in a 16-pin SOIC package and operates over a temperature range of –40°C to +85°C.
Key Specifications
Parameter | Value |
---|---|
Manufacturer | Texas Instruments |
Package Type | SOIC-16 |
Programmable Gains | 1, 2, 4, 8 V/V |
Input Bias Current | 100 pA max |
Bandwidth, –3dB | 5 MHz (G = 1), 4 MHz (G = 2), 1.3 MHz (G = 4), 600 kHz (G = 8) |
Slew Rate | 25 V/µs |
Settling Time, 0.01% (20V Step) | 3.5 µs |
Input Protection | ±40V |
Supply Voltage Range | ±4.5V to ±18V |
Operating Temperature Range | –40°C to +85°C |
Key Features
- Digitally programmable gains (G = 1, 2, 4, 8 V/V)
- High-speed operation with fast settling times (3.5 µs to 0.01% for a 20V step)
- FET inputs with low bias current (100 pA max)
- Input protection up to ±40V, even with power supplies off
- Low offset voltage (1.5 mV max) and low drift
- CMOS/TTL-compatible digital inputs for gain selection
- Available in 16-pin SOIC package
Applications
- Multiple-channel data acquisition systems
- Medical and physiological amplifiers
- PC-controlled analog input boards
- Multiplexed-input signal acquisition systems
Q & A
- What is the PGA206UA used for?
The PGA206UA is used in data acquisition systems, medical and physiological amplifiers, and PC-controlled analog input boards.
- What are the programmable gains of the PGA206UA?
The PGA206UA has programmable gains of 1, 2, 4, and 8 V/V.
- What is the input bias current of the PGA206UA?
The input bias current of the PGA206UA is 100 pA max.
- What is the bandwidth of the PGA206UA?
The bandwidth of the PGA206UA is 5 MHz for G = 1, 4 MHz for G = 2, 1.3 MHz for G = 4, and 600 kHz for G = 8.
- How does the PGA206UA protect its inputs?
The PGA206UA protects its inputs up to ±40V, even when the power supplies are off.
- What is the operating temperature range of the PGA206UA?
The operating temperature range of the PGA206UA is –40°C to +85°C.
- What package type is the PGA206UA available in?
The PGA206UA is available in a 16-pin SOIC package.
- How are the gains selected in the PGA206UA?
The gains are selected using CMOS/TTL-compatible digital inputs.
- What is the slew rate of the PGA206UA?
The slew rate of the PGA206UA is 25 V/µs.
- How long does it take for the PGA206UA to settle to a new output voltage?
The PGA206UA settles to a new output voltage in 3.5 µs to 0.01% for a 20V step.