GENERAL DESCRIPTION
●The AD977/AD977A is a high speed, low power 16-bit A/D converter that operates from a single 5 V supply. The AD977A has a throughput rate of 200 kSPS whereas the AD977 has a throughput rate of 100 kSPS. Each part contains a successive approximation, switched capacitor ADC, an internal 2.5 V reference, and a high speed serial interface. The ADC is factory calibrated to minimize all linearity errors. The AD977/AD977A is specified for full scale bipolar input ranges of ±10 V, ±5 V and ±3.3 V, and unipolar ranges of 0 V to 10 V, 0 V to 5 V and 0 V to 4 V.
●The AD977/AD977A is comprehensively tested for ac parameters such as SNR and THD, as well as the more traditional dc parameters of offset, gain and linearity.
●PRODUCT HIGHLIGHTS
●1\. Fast Throughput
● The AD977/AD977A is a high speed, 16-bit ADC based on
●a factory calibrated switched capacitor architecture.
●2\. Single-Supply Operation
● The AD977/AD977A operates from a single 5 V supply and dissipates only 100 mW max.
●3\. Comprehensive DC and AC Specifications
● In addition to the traditional specifications of offset, gain and linearity, the AD977/AD977A is fully tested for SNR and THD.
●FEATURES
● Fast 16-Bit ADC
● 100 kSPS Throughput Rate—AD977
● 200 kSPS Throughput Rate—AD977A
● Single 5 V Supply Operation
● Power Dissipation 100 mW Max
● Power-Down Mode 50 μW
● Input Ranges:
● Unipolar; 0 V–10 V, 0 V–5 V and 0 V–4 V
● Bipolar; ±10 V, ±5 V and ±3.3 V
● Choice of External or Internal 2.5 V Reference
● High Speed Serial Interface
● On-Chip Clock
● 20-Lead Skinny DIP or SOIC Package
● 28-Lead Skinny SSOP Package
