ADS8555SPMR

The ADS8555 device contains six low-power, 16-bit,
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 ADS8555 device supports data rates of up to
630 kSPS in parallel interface mode or up to
450 kSPS if the serial interface is used. The bus
width of the parallel interface can be set to eight or 16
bits. In serial mode, up to three output channels can
be activated.
The ADS8555 device is specified over the extended
industrial temperature range of –40°C to 125°C and is
available in an LQFP-64 package.

Category: Data Acquisition

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SPECIFICATION

• Six SAR ADCs Grouped in Three Pairs
• Maximum Data Rate Per Channel With Internal
Clock and Reference:
630 kSPS (Parallel) or 450 kSPS (Serial)
• Maximum Data Rate Per Channel With External
Clock and Reference:
800 kSPS (Parallel) or 500 kSPS (Serial)
• Pin-Selectable or Programmable Input Voltage
Ranges: Up to ±12 V
• Excellent AC Performance:
91.5-dB SNR, –94-dB THD
• Programmable and Buffered Internal Reference:
0.5 V to 2.5 V and 0.5 V to 3 V
• Comprehensive Power-Down Modes:
– Deep Power Down (Standby Mode)
– Auto-Nap Power Down
• Selectable Parallel or Serial Interface
• Operating Temperature Range: –40°C to 125°C
• LQFP-64 Package