TDA8798 Overview
The TDA8798 is a dual 8-bit ADC with DPGA. The 100 Msps maximum sampling rate and 34 dBV DPGA gain range optimizes the ADC for high dynamic range applications.
TDA8798 Key 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 patible 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
- 30 100
- ±0.5 ±0.5 tbf 120 tbf