HomedatasheetAD7927BRUZ-REEL

AD7927BRUZ-REEL Datasheet

Analog to Digital Converters - ADC
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Description

The AD7927( AD7927BRUZ-REEL ) is a 12-bit, high speed, low power, 8-channel, successive approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz. The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. There are no pipeline delays associated with the part. The AD7927 uses advanced design techniques to achieve very low power dissipation at maximum throughput rates. At maximum throughput rates, the AD7927 consumes 1.2 mA maximum with 3 V supplies; with 5 V supplies, the current consumption is 1.5 mA maximum. Through the configuration of the control register, the analog input range for the part can be selected as 0 V to REFIN or 0 V to 2 × REFIN, with either straight binary or twos complement output coding. The AD7927 features eight single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequentially. The conversion time for the AD7927 is determined by the SCLK frequency, as this is also used as the master clock to control the conversion. The conversion time may be as short as 800 ns with a 20 MHz SCLK. AD7927BRUZ-REEL Features • Fast throughput rate: 200 kSPS • Specified for AVDD of 2.7 V to 5.25 V • Low power - 3.6 mW maximum at 200 kSPS with 3 V supply - 7.5 mW maximum at 200 kSPS with 5 V supply • 8 (single-ended) inputs with sequencer • Wide input bandwidth - 70 dB minimum SINAD at 50 kHz input frequency • Flexible power/serial clock speed management • No pipeline delays • High speed serial interface SPI-, QSPI™-, MICROWIRE™-, - DSP-compatible • Shutdown mode: 0.5 μA maximum • 20-lead TSSOP • Qualified for automotive applications
Features

Parameters

[{"Name":"Number of Channels:","Value":"8"},{"Name":"Operating Supply Voltage:","Value":"5 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":"Maximum Power Dissipation:","Value":"7.5 mW"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Number of Converters:","Value":"1"},{"Name":"SNR:","Value":"70 dB"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

ON SEMICONDUCTOR

ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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