GENERAL DESCRIPTION
The AD7660 is a 16-bit, 100 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains an internal conversion clock, error correction circuits, and both serial and parallel system interface ports.
The AD7660 is hardware factory-calibrated and is comprehensively tested to ensure ac parameters such as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.
It is fabricated using Analog Devices’ high performance, 0.6 micron CMOS process with correspondingly low cost and is available in a 48-lead LQFP and a tiny 48-lead LFCSP with operation specified from –40∞C to +85∞C.

FEATURES
   Throughput: 100 kSPS
   INL: ±3 LSB Max (±0.0046% of Full-Scale)
   16-Bit Resolution with No Missing Codes
   S/(N+D): 87 dB Min @ 10 kHz, 90 dB Typ @ 45 kHz
   THD: –96 dB Max @ 10 kHz
   Analog Input Voltage Range: 0 V to 2.5 V
   Both AC and DC Specifications
   No Pipeline Delay
   Parallel and Serial 5 V/3 V Interface
      SPI®/QSPI™/MICROWIRE™/DSP Compatible
   Single 5 V Supply Operation
   21 mW Typical Power Dissipation, 21 μW @ 100 SPS
   Power-Down Mode: 7  μW Max
   Package: 48-Lead Quad Flatpack (LQFP)
      48-Lead Chip Scale Package (LFCSP)
   Pin-to-Pin Compatible with the AD7664

APPLICATIONS
   Data Acquisition
   Battery-Powered Systems
   PCMCIA
   Instrumentation
   Automatic Test Equipment
   Scanners
   Medical Instruments
   Process Control