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Complete 12-Bit Successive Approximation Analog-to-Digital Converters With Three-State Output and 8 μs Conversion
The AD674B and AD774B are complete 12-bit successive approximation analog-to-digital converters with three-state output buffer circuitry for direct interface to 8- and 16-bit microprocessor busses. A high-precision voltage reference and clock are included on chip, and the circuit requires only power supplies and control signals for operation.
http://www.analog.com/en/prod/0,2877,AD774B,00.html -
2.7V 12-Bit A/D Converter with SPI™ Serial Interface
The Microchip Technology Inc. MCP3201 is a successive approximation 12-bit ADC with on-board sample and hold circuitry. The device provides a single pseudo-differential input.
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010531 -
Low Power 10-Bit A/D Converter With I²C™ Interface
The Microchip Technology Inc. MCP3021 is a successive approximation A/D converter (SAR ADC) with 10-bit resolution. Available in the SOT-23 package, this device provides one single-ended input with very low power consumption. Based on an advanced CMOS technology, the MCP3021 provides a low maximum conversion current and standby current of 250 µA and 1 µA, respectively.
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010539 -
AD570 8-Bit Successive Approximation Analog-to-Digital Converter
The AD570 is an 8-bit successive approximation A/D converter consisting of a DAC, voltage reference, clock, comparator, successive approximation register (SAR) and output buffers—all fabricated on a single chip. No external components are required to perform a full accuracy 8-bit conversion in 25 µs.
http://www.analog.com/en/prod/0,2877,AD570,00.html -
2.7V 10-Bit A/D Converter with SPI™ Serial Interface
The Microchip Technology Inc. MCP3001 is a successive approximation 10-bit ADC with onboard sample and hold circuitry. The device provides a single pseudo-differential input. Differential Nonlinearity (DNL) and Integral Nonlinearity ( INL) are both specified at ±1 LSB max. Communication with the device is done using a simple serial interface compatible with the SPI protocol. The device is capable of sample rates up to 200 ksps at a clock rate of 2.8 MHz. The MCP3001 operates over a broad voltage range (2.7V - 5.5V). Low current design permits operation with a typical standby current of only 5 nA and a typical active current of 400 µA. The device is offered in 8-pin MSOP, PDIP, TSSOP and 150 mil SOIC packages.
Applications
- Data Acquisition
- Sensor Interface
- Process Control
- Battery Operated Systems
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010527
