Overview
The PGA207UA is a high-speed programmable gain instrumentation amplifier produced by Texas Instruments. It is part of the PGA207 series, which includes devices in various packages such as 16-pin plastic DIP and SOL-16 surface-mount packages. This amplifier is designed for high-performance data acquisition systems, offering digitally programmable gains and fast settling times. The PGA207UA is ideal for applications requiring precise gain control and high input impedance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain Options | 1, 2, 5, 10 | V/V |
| Input Bias Current | 100 pA max | A |
| Input Protection | ±40 V | V |
| Offset Voltage | 1.5 mV max | mV |
| Settling Time (0.01% for 20V step) | 3.5 µs | µs |
| Bandwidth (-3dB) at G=1 | 5 MHz | MHz |
| Slew Rate | 25 V/µs | V/µs |
| Operating Temperature Range | -40°C to +85°C | °C |
| Supply Voltage Range | ±4.5 to ±18 V | V |
| Package Type | SOL-16 Surface-Mount |
Key Features
- Digitally programmable gains (1, 2, 5, 10 V/V)
- High-speed operation with fast settling time (3.5 µs to 0.01% for 20V step)
- FET inputs with high input impedance (IB = 100 pA max)
- Low offset voltage (1.5 mV max) and low drift
- Internal input protection up to ±40 V
- CMOS/TTL-compatible digital inputs
- Available in 16-pin plastic DIP and SOL-16 surface-mount packages
Applications
- Multiple-channel data acquisition systems
- Medical and physiological amplifiers
- PC-controlled analog input boards
- Multiplexed-input signal acquisition systems
- High-impedance sensor interfaces
Q & A
- What are the gain options for the PGA207UA? The PGA207UA offers digitally programmable gains of 1, 2, 5, and 10 V/V.
- What is the input bias current of the PGA207UA? The input bias current is 100 pA max.
- What is the input protection voltage for the PGA207UA? The inputs are protected up to ±40 V.
- What is the typical offset voltage of the PGA207UA? The typical offset voltage is 1.5 mV max.
- How long does it take for the PGA207UA to settle to 0.01% for a 20V step? The settling time is 3.5 µs.
- What is the bandwidth of the PGA207UA at a gain of 1? The bandwidth at G=1 is 5 MHz.
- What is the slew rate of the PGA207UA? The slew rate is 25 V/µs.
- What is the operating temperature range of the PGA207UA? The operating temperature range is -40°C to +85°C.
- What is the supply voltage range for the PGA207UA? The supply voltage range is ±4.5 to ±18 V.
- In what packages is the PGA207UA available? The PGA207UA is available in 16-pin plastic DIP and SOL-16 surface-mount packages.
