High Speed ADC - problem with minimum input voltage

[sleeper1987]

Hi!
I need a high speed ADC to sample pixel data from a CMOS sensor, which produces values between 0 and 3.3V. The sampling speed I need is >= 3MSPS, with a resolution of at least 10 bits.

Problem is; all the ADCs I'm looking at seem to only accept inputs between 1 and 2/3 volts. Am I reading the data sheets wrong, or can anyone suggest a good way to bias the input voltages at such high speeds?


Example datasheets:
**broken link removed**
http://www.ti.com/lit/gpn/ads900

Thanks for any help.

 

[sleeper1987]

...Anyone?

 

[Boncuk]

I just took a glance at the ADC12010.

There is no miminum voltage stated in the data sheet.

 

[sleeper1987]

Ah, looks like you're right.
I think I was confused by the wording. It says, "Analog input voltage in single ended operation", which I took to mean the measured voltage, rather than the reference.

Thanks for your reply!