TEXAS INSTRUMENTS ADS1205IRGET 模数转换器, 16 bit, 40 kSPS, 单, 4.5 V, 5.5 V, VQFN
DESCRIPON
The ADS1205 is a two-channel, high-performance, delta-sigma ∆Σ modulator with more than 98dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital A/D conversion with no missing codes. Effective resolution of 14 bits can be obtained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz. The ADS1205 is designed for use in high-resolution measurement applications including current measurements, smart transmitters, industrial process control, and resolvers. It is available in a QFN-24 4x4 package.
FEATURES
• 16-Bit Resolution
• 14-Bit Linearity
• ±2.5V Input Range at 2.5V
• Internal Reference Voltage: 2%
• Gain Error: 0.5%
• Two Independent Delta-Sigma Modulators
• Two Input Reference Buffers
• On-Chip 20MHz Oscillator
• Selectable Internal or External Clock
• Operating Temperature Range:
−40°C to +85°C
• QFN-24 4x4 Package
APPLICATIONS
• Motor Control
• Current Measurement
• Industrial Process Control
• Instrumentation
• Resolver
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