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ADS1209 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS1209 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 20 page 2nd-Order DS Modulator CHA+ AVDD CHA- Output Interface Circuit RC Oscillator 20MHz Out EN Clock Select Divider REFINA Reference Voltage 2.5V REFOUT OUTA OUTB CLKIN AGND BGND BVDD CLKOUT CLKSEL 2nd-Order DS Modulator CHB+ CHB- REFINB ADS1209 www.ti.com SBAS491 – FEBRUARY 2010 Two 1-Bit, 10MHz, 2nd-Order Delta-Sigma Modulators Check for Samples: ADS1209 1 FEATURES DESCRIPTION 2 • 16-Bit Resolution The ADS1209 is a two-channel, high-performance, delta-sigma ( ΔΣ) modulator with an 86dB dynamic • 13-Bit Linearity range, operating from a single +5V supply. The • ±2.3V Specified Input Voltage Range differential inputs are ideal for direct connection to • Internal Reference Voltage: 2% signal sources in an industrial environment. With the • Gain Error: 0.5% appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital • Two Independent Delta-Sigma Modulators (A/D) conversion with no missing codes. Effective • Two Input Reference Buffers accuracy of 14 bits can be obtained with a digital filter • On-Chip Oscillator bandwidth of 20kHz at a modulator rate of 10MHz. The ADS1209 is designed for use in high-resolution • Selectable Internal or External Clock measurement applications including current • Specified Temperature Range: measurements, industrial process control, and –40°C to +105°C resolvers. It is available in a TSSOP-24 package and • TSSOP-24 Package is specified for operation over the ambient temperature range of –40°C to +105°C. APPLICATIONS • Motor Control • Current Measurement • Resolver • Industrial Process Control • Instrumentation 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Số phần tương tự - ADS1209 |
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Mô tả tương tự - ADS1209 |
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