Texas Instruments ADS8556
The ADS855x contains six low-power, 16-, 14-, or 12bit, successive approximation register (SAR) based analog-to-digital converters (ADCs) with true bipolar inputs. Each channel contains a sample-and-hold circuit that allows simultaneous high-speed multichannel signal acquisition. The ADS855x supports data rates of up to 730 kSPS in parallel interface mode or up to 500 kSPS if the serial interface is used.FEATURES
●1 Family of 16-, 14-, 12-Bit, Pin- and Software-Compatible ADCs● Six SAR ADCs Grouped in Three Pairs
● Maximum Data Rate Per Channel with Internal Conversion Clock and Reference: ADS8556: 630 kSPS (PAR) or 450 kSPS (SER) ADS8557: 670 kSPS (PAR) or 470 kSPS (SER) ADS8558: 730 kSPS (PAR) or 500 kSPS (SER)
● Maximum Data Rate with External Conversion Clock and Reference: 800 kSPS (PAR) or 530 kSPS (SER)
● Pin-Selectable or Programmable Input Voltage Ranges: Up to ±12 V
● Excellent Signal-to-Noise Performance: ADS8556: 91.5 dB, ADS8667: 85 dB, ADS8668: 73.9 dB
● Programmable and Buffered Internal Reference: 0.5 V to 2.5 V and 0.5 V to 3.0 V
● Comprehensive Power-Down Modes: – Deep Power-Down (Standby Mode) – Partial Power-Down – Auto-Nap Power-Down
● Selectable Parallel or Serial Interface
● Operating Temperature Range: –40°C to 125°C Block Diagram HVDD HVSS AVDD BVDD CH_A0 AGND CONVST_A REFC_A CH_A1 AGND CH_B0 AGND CONVST_B REFC_B CH_B1 AGND CH_C0 AGND CONVST_C REFC_C CH_C1 AGN...