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WM2148IFT/V

器件名称: WM2148IFT/V
功能描述: 14-bit 8MSPS Analogue-To-Digital Converter
文件大小: 255.83KB    共14页
生产厂商: WOLFSON
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简  介:WM2148 14-bit 8MSPS Analogue-To-Digital Converter Production Data, February 2001, Rev 1.1 DESCRIPTION The WM2148 is a 14-bit, 8 MSPS analogue to digital converter with an on-chip voltage reference, high bandwidth sample and hold amplifier and programmable gain. The analogue input is differential, giving excellent commonmode noise immunity and low distortion. The WM2148 is designed for use in highly integrated, lowpower 3.3V systems. A high speed, microprocessor compatible parallel interface allows control of the ADC input gain, digital DC offset, internal / external reference and output data format. Both binary and two’s complement formats are supported. The device also features an out of range indicator pin to show when the input signal exceeds the converter’s full-scale range. In Power Down mode, all analogue circuitry is internally disconnected from the power supply, reducing total supply current to 20A. The WM2148 is available in a 1mm thin 48-pin TQFP package in standard commercial and industrial temperature ranges. FEATURES 14-bit resolution ADC 8 MSPS conversion rate Differential input 3.3V single supply Very low current power down mode - 20A typical Microprocessor compatible parallel interface Internal or external voltage reference High bandwidth sample and hold amplifier - 140MHz full-power bandwidth Programmable Gain Amplifier (PGA) Programmable DC offset Binary or two’s complement output format Out of range indicator 48-pin TQFP package, body thickne……
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WM2148IFT/V 14-bit 8MSPS Analogue-To-Digital Converter WOLFSON
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