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ADA4355ABCZ 数据表(PDF) 1 Page - Analog Devices |
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ADA4355ABCZ 数据表(HTML) 1 Page - Analog Devices |
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1 / 45 page  Programmable Transimpedance, Current to Bits Receiver µModule Data Sheet ADA4355 Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2020 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES High performance, current input, data acquisition µModule that includes a TIA, analog filter, ADC driver, and ADC 3 selectable TZ settings: 2 kΩ, 20 kΩ, and 200 kΩ Internal 1.8 V LDO for the ADC All passive components including supply decoupling Small form factor: 12.00 mm × 6.00 mm CSP_BGA Operation from a single 3.3 V supply Full-scale input current to 800 µA (TZ = 2 kΩ) Fast input overload recovery High analog input current to 40 mA Analog filter for noise reduction and antialias filtering Selectable 1.0 MHz and 100 MHz LPF bandwidth Low input referred current noise: 16 pA rms TZ = 200 kΩ, 65,536 averages, 1 MHz analog filter Supports input pulse widths down to 10 ns 14-bit ADC with sample rate up to 125 MSPS Serial LVDS data output SPI control interface Quiescent power: 546 mW, LDO enabled Temperature range: −40°C to +85°C APPLICATIONS Current to voltage conversion Chemical analyzers Mass spectroscopy Time of Flight Fiber optic sensing OTDR Optical amplifiers Reconfigurable optical add and drop multiplexers (ROADM) GENERAL DESCRIPTION The ADA4355 is a complete, high performance, current input µModule®. For space savings, the ADA4355 includes all the required active and passive components to realize a complete current to bits data acquisition solution, supporting a small form factor, optical modules as well as multichannel systems. The high speed transimpedance amplifier (TIA) of the device supports 10 ns pulse widths, allowing high spatial resolution for Time of Flight (ToF) measurements. Additionally, the ADA4355 includes three TIA gain (TZ) settings to maximize dynamic range. An internal, selectable, analog low-pass filter (LPF) can limit the device bandwidth with a corner frequency of 100 MHz to minimize broadband noise while also serving as an antialiasing filter for the 125 MSPS ADC. For lower bandwidth signals, or wider signal pulses (for example, 20 µs or wider), the filter can be set to a corner frequency of 1.0 MHz to provide additional noise reduction. The 14-bit ADC converts the amplified voltage signal at a rate of up to 125 MSPS and outputs the digitized signals through two serial, low voltage differential signaling (LVDS) data lanes, operating at rates of up to 1 Gbps per lane. The data clock output (DCO) operates at frequencies of up to 500 MHz and supports double data rate (DDR) operation. The ADA4355 exhibits fast overdrive recovery from a large input current signal and is available in a 12.00 mm × 6.00 mm CSP_BGA package with a −40°C to +85°C operating temperature range. FUNCTIONAL BLOCK DIAGRAM VCC VLDEN LDO VLD VEA/VED FSEL GND CLKN CLKP LVDS LANES SPI SIGNALS SPI ADC ADA4355 BANDWIDTH LPF 2 2 TIA INPUT GSEL0, GSEL1 Figure 1. |
类似零件编号 - ADA4355ABCZ |
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类似说明 - ADA4355ABCZ |
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