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TDA9910

12-bit, up to 80 Msample/s, Analog-to-Digital Converter (ADC) direct/ultra high IF sampling

Philips Electronics 

TDA9910

12-bit, up to 80 Msample/s, Analog-to-Digital Converter (ADC)

direct/ultra high IF sampling

Rev. 02 — 9 December 2004

Objective data sheet

1. General description

The TDA9910 is a 12-bit Analog-to-Digital Converter (ADC) optimized for direct IF

sampling, and supporting the most demanding use conditions in ultra high IF radio

transceivers for cellular infrastructure and other applications such as wireless access

system, optical networking and fixed telecommunication. Thanks to its broadband input

capabilities, the TDA9910 is ideal for single and multiple carriers data conversion.

Operating at a maximum sampling rate of 80 Msample/s, analog input signals are

converted into 12-bit binary coded digital words. All static digital inputs are CMOS

compatible. All output signals are LVCMOS compatible. The TDA9910 offers the most

possible flexible acquisition control system thanks to its programmable Complete

Conversion Signal (CCS) that allows to adjust the delay of the acquisition clock.

Thanks to its internal front-end buffer, the TDA9910 offers the lowest input capacitance

(< 1 pF) and therefore the highest flexibility in front-end aliasing filter strategy.

Released in HTQFP48, it keeps the industry's smallest ADC of its category.

2. Features

s 12-bit resolution

s Direct IF sampling up to 370 MHz

s 90 dB SFDR; 71 dB SNR (fi = 225 MHz; B = 5 MHz)

s 72 dB SFDR; 66 dB SNR (fi = 175 MHz; B = Nyquist)

s High-speed sampling rate up to 80 Msample/s

s Programmable acquisition output clock (complete conversion signal)

s Internal front-end buffer (input capacitance below 1 pF)

s Full-scale controllable from 1.5 V to 2 V (p-p); continuous scale

s Single 5 V power supply

s 3.3 V LVCMOS compatible digital outputs

s Binary or two’s-complement LVCMOS outputs

s CMOS compatible static digital inputs

s Only 2 clock cycles latency

s Industrial temperature range from −40 °C to +85 °C

s HTQFP48 package.

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