AD9246BCPZ-125

AD9246 is a monolithic, 14bit, 125MSPS analogue-to-digital converter (ADC). It features a high performance sample-and-hold amplifier (SHA) and on-chip voltage reference. The wide bandwidth, truly differential SHA allows a variety of user-selectable input ranges and offsets, including single-ended applications. It is suitable for multiplexed systems that switch full-scale voltage levels in successive channels and for sampling single-channel inputs at frequencies well beyond the Nyquist rate. A differential clock input controls all internal conversion cycles. A duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance. It is widely used in application such as ultrasound equipment, IF sampling in communications receivers IS-95, CDMA-One, IMT-2000, battery-powered instruments, hand-held scope meters, low cost digital oscilloscopes etc.

• 1.8V analogue supply operation, built-in selectable digital test pattern generation
• Output supply range is 1.8V to 3.3 V
• Signal to noise ratio is 71.9dBc typical at (fIN = 2.4MHz)
• Spurious-free dynamic range is 90dBc typical at (fIN = 2.4 MHz)
• DC input is 395mW typical, offset binary, grey code, or twos complement data format
• Analog input bandwidth is 650MHz typical, programmable clock and data alignment
• Differential nonlinearity is ±0.4LSB typical, data output clock, serial port control
• Flexible analogue input range is 1V p-p to 2V p-p, clock duty cycle stabilizer
• Operating temperature is -40°C to +85°C
• Package style is 48-lead lead frame chip scale package (LFCSP-VQ)

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