AD9240AS

The AD9240AS is one member of the AD9240 series.The AD9240 is a 10 MSPS, single supply, 14-bit analog-to-digital converter (ADC). It combines a low cost, high speed CMOS process and a novel architecture to achieve the resolution and speed of existing hybrid implementations at a fraction of the power consumption and cost. It is a complete, monolithic ADC with an on-chip, high performance, low noise sample-and-hold amplifier and programmable voltage reference.The noise or small-signal bandwidth of the AD9240 is the same as its full-power bandwidth. For noise sensitive applications, the excessive bandwidth may be detrimental and the addition of a series resistor and/or shunt capacitor can help limit the wide-band noise at the A/D's input by forming a low-pass filter.

Features of the AD9240AS are:(1)monolithic 14-Bit, 10 MSPS A/D converter; (2)low power dissipation: 285 mW; (3)single +5 V supply; (4)integral nonlinearity error: 2.5 LSB; (5)differential nonlinearity error: 0.6 LSB; (6)input referred noise: 0.36 LSB; (7)complete: on-chip sample-and-hold amplifier and voltage reference; (8)signal-to-noise and distortion ratio: 77.5 dB; (9)spurious-free dynamic range: 90 dB; (10)out-of-range indicator; (11)straight binary output data; (12)44-lead MQFP.

The absolute maximum ratings of the AD9240AS can be summarized as:(1)AVDD:-0.3 to 6.5V;(2)storage temperature:-65 to +150;(3)juction temperature:-65 to 150;(4)lead temperature ( 10 sec):300°C.Stresses above those listed under absolute maximum ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum ratings for extended periods may effect device reliability.The ratio of the rms value of either input tone to the rms value of the peak spurious component. The peak spurious component may or may not be an IMD product. Two-tone SFDR may be reported in dBc (i.e., degrades as signal level is lowered), or in dBFS (always related back to converter full scale).