Product Profile of Zero-Drift Programmable Gain Amplifiers
Texas Instruments [India] Pvt. Ltd. Offers Zero-Drift Programmable Gain Amplifiers. Texas Instruments [India] Pvt. Ltd. Supplies different types of semiconductors, amplifiers, linear amplifiers, clocks, timers, data converters, microcontrollers, etc. The Zero-Drift Programmable Gain Amplifiers of model numbers PGA112 and PGA113 [binary/scope gains] offer two analog inputs, a three-pin SPI interface, and software shutdown in an MSOP-10 package. The Zero-Drift Programmable Gain Amplifiers [binary/scope gains] offer 10 analog inputs, a four-pin SPI interface with daisy-chain capability, and hardware and software shutdown in a TSSOP-20 package. The binary gains are: 1, 2, 4, 8, 16, 32, 64, and 128; scope gains are: 1, 2, 5, 10, 20, 50, 100, and 200. The Zero-Drift Programmable Gain Amplifiers are used for Remote e-Meter Reading.
Key Features of Zero-Drift Programmable Gain Amplifiers
- Rail-to-Rail Input/Output
- Offset: 25Μ V [typ], 100Μ V [max]
- Zero-Drift: 0.35Μ V/Degree C [typ], 1.2Μ V/Degree C [max]
- Low Noise: 12nV/?Hz
- Input Offset Current: +/- 5nA max [+25Degree C]
- Gain Error: 0.1% max [G less than equal to 32],
- 0.3% max [G more than 32]
- Binary Gains: 1, 2, 4, 8, 16, 32, 64, 128[PGA112, PGA116]
- Scope Gains: 1, 2, 5, 10, 20, 50, 100, 200 [PGA113, PGA117]
- Gain Switching Time: 200ns
- Two Channel MUX: PGA112, PGA113
- 10 Channel MUX: PGA116, PGA117
- Four Internal Calibration Channels
- Amplifier Optimized for Driving CDAC ADCs
- Output Swing: 50mV to Supply Rails
- AVDD and DVDD for Mixed Voltage Systems
- IQ = 1.1mA [type]
- Software/Hardware Shutdown: IQ less than equal to 4Μ A [typ]
- Temperature Range: -40Degree C to +125Degree C
- SPI Interface [10MHz] with Daisy-Chain Capability
