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AD9246 - Analog-to-Digital Converter

General Description

The AD9246 is a monolithic, single 1.8 V supply, 14-bit, 80 MSPS/ 105 MSPS/125 MSPS analog-to-digital converter (ADC), featuring a high performance sample-and-hold amplifier (SHA) and on-chip voltage reference.

Key Features

  • 1.8 V analog supply operation 1.8 V to 3.3 V output supply SNR = 71.7 dBc (72.7 dBFS) to 70 MHz input SFDR = 85 dBc to 70 MHz input Low power: 395 mW @ 125 MSPS Differential input with 650 MHz bandwidth On-chip voltage reference and sample-and-hold amplifier DNL = ±0.4 LSB Flexible analog input: 1 V p-p to 2 V p-p range Offset binary, Gray code, or twos complement data format Clock duty cycle stabilizer Data output clock Serial port control Built-in selectable digital test pattern generation Pro.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com 14-Bit, 80 MSPS/105 MSPS/125 MSPS, 1.8 V Analog-to-Digital Converter AD9246 FEATURES 1.8 V analog supply operation 1.8 V to 3.3 V output supply SNR = 71.7 dBc (72.7 dBFS) to 70 MHz input SFDR = 85 dBc to 70 MHz input Low power: 395 mW @ 125 MSPS Differential input with 650 MHz bandwidth On-chip voltage reference and sample-and-hold amplifier DNL = ±0.4 LSB Flexible analog input: 1 V p-p to 2 V p-p range Offset binary, Gray code, or twos complement data format Clock duty cycle stabilizer Data output clock Serial port control Built-in selectable digital test pattern generation Programmable clock and data alignment FUNCTIONAL BLOCK DIAGRAM AVDD DRVDD AD9246 VIN+ VIN– SHA MDAC1 4 REFT REFB CORRECTION LOGIC 15 OUTPUT BUFFERS VREF SENSE REF SELECT DCO D13 (MSB) D0 (LSB) 0.