TDA8798

INTEGRATED CIRCUITS DATA SHEET TDA8798 Dual 8-bit, 100 Msps A/D converter with DPGA Objective specification Supersedes data of 1998 Apr 15 File under Integrated Circuits, IC02 1999 Sep 16 Philips Semiconductors Objective specification Dual 8-bit, 100 Msps A/D converter with DPGA FEATURES Dual 8-bit Analog-to-Digital Converter (ADC) Sampling rate up to 100 million samples per second (Msps) Dual 34 dBV 6-bit Digitally Programmable Gain Amplifier (DPGA) with optional power-off Optional external equalization filter with capacitive coupling between DPGA and ADC Serial Interface (SI) for DPGA gain control using either parallel load mode or count-up/count-down mode 3.3 V TTL/CMOS compatible I/O Differential or single-ended TTL/CMOS clock interface AC or DC coupling for DPGA inputs. QUICK REFERENCE DATA SYMBOL VDDA VDDD VDDO IDDA IDDD IDDO INL PARAMETER analog supply voltage digital supply voltage output stage supply voltage analog supply current digital supply current output stage supply current DC integral non-linearity from IC analog input to digital output; ramp input; fCLK = 100 MHz with DPGA at G(min) without DPGA DNL DC differential non-linearity from IC analog input to digital output; ramp input; fCLK = 100 MHz with DPGA at G(min) without DPGA Vn(o)(rms) B(−3dB)(ADC) f(sample)(max) Ptot output referred noise (RMS value) ADC −3 dB analogue bandwidth maximum sampling rate total power dissipation with DPGAEN LOW with DPGAEN HIGH DPGA at G(max); Zi = 50 Ω; nois...