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AD210AN bảng dữ liệu(PDF) 1 Page - Analog Devices |
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AD210AN bảng dữ liệu(HTML) 1 Page - Analog Devices |
1 / 8 page One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FUNCTIONAL BLOCK DIAGRAM INPUT POWER SUPPLY 19 14 15 16 17 18 VO 30 29 T2 POWER POWER OSCILLATOR INPUT OUTPUT MOD DEMOD FILTER 1 2 OUTPUT POWER SUPPLY 3 4 OCOM +VOSS –VOSS AD210 PWR COM PWR T3 T1 –VISS +VISS ICOM +IN –IN FB a Precision, Wide Bandwidth 3-Port Isolation Amplifier AD210* FEATURES High CMV Isolation: 2500 V rms Continuous 3500 V Peak Continuous Small Size: 1.00" 2.10" 0.350" Three-Port Isolation: Input, Output, and Power Low Nonlinearity: 0.012% max Wide Bandwidth: 20 kHz Full-Power (–3 dB) Low Gain Drift: 25 ppm/ C max High CMR: 120 dB (G = 100 V/V) Isolated Power: 15 V @ 5mA Uncommitted Input Amplifier APPLICATIONS Multichannel Data Acquisition High Voltage Instrumentation Amplifier Current Shunt Measurements Process Signal Isolation GENERAL DESCRIPTION The AD210 is the latest member of a new generation of low cost, high performance isolation amplifiers. This three-port, wide bandwidth isolation amplifier is manufactured with sur- face-mounted components in an automated assembly process. The AD210 combines design expertise with state-of-the-art manufacturing technology to produce an extremely compact and economical isolator whose performance and abundant user features far exceed those offered in more expensive devices. The AD210 provides a complete isolation function with both signal and power isolation supplied via transformer coupling in- ternal to the module. The AD210’s functionally complete de- sign, powered by a single +15 V supply, eliminates the need for an external DC/DC converter, unlike optically coupled isolation devices. The true three-port design structure permits the AD210 to be applied as an input or output isolator, in single or multichannel applications. The AD210 will maintain its high performance under sustained common-mode stress. Providing high accuracy and complete galvanic isolation, the AD210 interrupts ground loops and leakage paths, and rejects common-mode voltage and noise that may other vise degrade measurement accuracy. In addition, the AD210 provides pro- tection from fault conditions that may cause damage to other sections of a measurement system. PRODUCT HIGHLIGHTS The AD210 is a full-featured isolator providing numerous user benefits including: High Common-Mode Performance: The AD210 provides 2500 V rms (Continuous) and ± 3500 V peak (Continuous) common- mode voltage isolation between any two ports. Low input capacitance of 5 pF results in a 120 dB CMR at a gain of 100, and a low leakage current (2 µA rms max @ 240 V rms, 60 Hz). High Accuracy: With maximum nonlinearity of ±0.012% (B Grade), gain drift of ±25 ppm/°C max and input offset drift of ( ±10 ±30/G) µV/°C, the AD210 assures signal integrity while providing high level isolation. Wide Bandwidth: The AD210’s full-power bandwidth of 20 kHz makes it useful for wideband signals. It is also effective in applications like control loops, where limited bandwidth could result in instability. Small Size: The AD210 provides a complete isolation function in a small DIP package just 1.00" × 2.10" × 0.350". The low profile DIP package allows application in 0.5" card racks and assemblies. The pinout is optimized to facilitate board layout while maintaining isolation spacing between ports. Three-Port Design: The AD210’s three-port design structure allows each port (Input, Output, and Power) to remain inde- pendent. This three-port design permits the AD210 to be used as an input or output isolator. It also provides additional system protection should a fault occur in the power source. Isolated Power: ±15 V @ 5 mA is available at the input and output sections of the isolator. This feature permits the AD210 to excite floating signal conditioners, front-end amplifiers and remote transducers at the input as well as other circuitry at the output. Flexible Input: An uncommitted operational amplifier is pro- vided at the input. This amplifier provides buffering and gain as required and facilitates many alternative input functions as required by the user. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. REV. A *Covered by U.S. Patent No. 4,703,283. |
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Mô tả tương tự - AD210AN |
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