AD7266BCPZ Electronic Components Analog To Digital Converters 2MSPS 12Bit ADC Dual

AD7266BCPZ Analog to Digital Converters - ADC Dual 2 MSPS, 12-Bit, 3Chan Sars ADC I.C.

AD7266 Differential/Single-Ended Input, Dual 2 MSPS, 12-Bit, 3-Channel SAR ADC

Features

Dual 12-bit, 3-channel ADC

Throughput rate: 2 MSPS

Specified for VDD of 2.7 V to 5.25 V

Power consumption

9 mW at 1.5 MSPS with 3 V supplies

27 mW at 2 MSPS with 5 V supplies

Pin-configurable analog inputs

12-channel single-ended inputs

6-channel fully differential inputs

6-channel pseudo differential inputs

70 dB SNR at 50 kHz input frequency Accurate on-chip reference: 2.5 V

±0.2% maximum @ 25°C, 20 ppm/°C maximum Dual conversion with read 437.5 ns, 32 MHz SCLK

High speed serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible

−40°C to +125°C operation

Shutdown mode: 1 μA maximum 32-lead LFCSP and 32-lead TQFP

1 MSPS version, AD7265

PRODUCT HIGHLIGHTS

1. Two Complete ADC Functions Allow Simultaneous Sampling and Conversion of Two Channels. Each ADC has three fully/pseudo differential pairs, or six single-ended channels, as programmed. The conversion result of both channels is simultaneously available on separate data lines, or in succession on one data line if only one serial port is available.

2. High Throughput with Low Power Consumption. The AD7266 offers a 1.5 MSPS throughput rate with 11.4 mW maximum power dissipation when operating at 3 V.

3. The AD7266 offers both a standard 0 V to VREF input range and a 2 × VREF input range.

4. No Pipeline Delay. The part features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and once off conversion control. 1 Protected by U.S. Patent No. 6,681,332

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