AD7685

Data Sheet FEATURES 16-bit resolution with no missing codes Throughput: 250 kSPS INL: ±0.6 LSB typical, ±2 LSB maximum (±0.003% of FSR) SINAD: 93.5 dB at 20 kHz THD: −110 dB at 20 kHz Pseudo differential analog input range 0 V to VREF with VREF up to VDD No pipeline delay Single-supply operation 2.3 V to 5.5 V with 1.8 V to 5 V logic interface Proprietary serial interface: SPI-/QSPI™-/MICROWIRE™-/DSP- compatible Daisy-chain multiple ADCs, BUSY indicator Power dissipation 1.4 µW at 2.5 V/100 SPS 1.35 mW at 2.5 V/100 kSPS, 4 mW at 5 V/100 kSPS Standby current: 1 nA 10-lead package: MSOP (MSOP-8 size) and 3 mm × 3 mm LFCSP (SOT-23 size) Pin-for-pin-compatible with 10-lead MSOP/PulSAR® ADCs APPLICATIONS Battery-powered equipment Medical instruments Mobile communications Personal digital assistants (PDAs) Data acquisition Instrumentation Process controls 2.0 POSITIVE INL = +0.33LSB NEGATIVE INL = –0.50LSB 1.5 1.0 0.5 INL (LSB) 02968-005 0 –0.5 –1.0 –1.5 –2.0 0 16384 32768 CODE 49152 Figure 1. Integral Nonlinearity vs. Code 65536 Rev. D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks a...