The AD7357 is a dual, 14-bit, high speed, low power, successive approximation ADC that operates from a single 2.5 V power supply and features throughput rates of up to 4.2 MSPS. The part contains two ADCs, each preceded by a low noise, wide bandwidth track-and-hold circuit that can handle input frequencies in excess of 110 MHz.The conversion process and data acquisition use standard control inputs allowing for easy interfacing to microprocessors or DSPs. The input signal is sampled on the falling edge of CS; conversion is also initiated at this point. The conversion time is determined by the SCLK frequency.The AD7357 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With a 2.5 V?supply and a 4.2 MSPS throughput rate, the device consumes 14 mA typically. The part also offers flexible power/throughput rate management when operating in normal mode as the quiescent current consumption is so low.The analog input range for the device is the differential common mode ?VREF/2. The AD7357 has an on-chip 2.048 V reference that can be overdriven when an external reference is preferred.The AD7357 is available in a 16-lead thin shrink small outline package (TSSOP) and an 18-lead lead frame chip scale package (LFCSP).PRODUCT HIGHLIGHTS Two Complete ADC Functions. These functions allow simultaneous sampling and conversion of two channels. 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. High Throughput with Low Power Consumption.? The AD7357 offers a 4.2 MSPS throughput rate with 36 mW power consumption. Simultaneous Sampling. The part features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and once off conversion control.APPLICATIONS Automotive radar Data acquisition systems Motion control I and Q demodulation RFID readers

The AD7380-4 is a 16-bit compatible, quad, simultaneous sampling, high speed, successive approximation register (SAR), analog-to-digital converters (ADC) operating from a 3.3 V power supply with throughput rates up to 4 MSPS. The differential analog input accepts a wide common-mode input voltage and is sampled and converted on the falling edge of CS.The AD7380-4 has on-chip oversampling blocks to improve dynamic range and reduce noise at lower bandwidths. The oversampling can boost up to two bits of added resolution. The REFIN pin can have a reference voltage of 2.5 V to 3.3 V.The conversion process and data acquisition use standard control inputs allowing easy interfacing to microprocessors or digital signal processors (DSPs). The conversion result can clock out simultaneously via 4-wire mode for faster throughput, or via 1-wire serial mode when slower throughput is allowed. The device is compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using the separate logic supply. The AD7380-4 is available in a 24-lead lead frame chip scale package (LFCSP) and operates over a temperature range of ?40?C to +125?C. APPLICATIONS Motor control position feedback Motor control current sense Data acquisition systems Erbium doped fiber amplifier (EDFA) applications In phase and quadrature demodulationPRODUCT HIGHLIGHTS Quad simultaneous sampling and conversion Pin-compatible product family. High throughput rate, 4 MSPS at 16-bit. Space-saving, 4 mm ? 4 mm LFCSP. Integrated oversampling block to increase dynamic range, reduce noise and reduce SCLK speed requirements. Differential analog inputs with wide common-mode range. Small sampling capacitor reduces amplifier drive burden.

The AD7380/AD7381 are a 16-bit and 14-bit pin-compatible family of dual simultaneous sampling, high speed, low power, successive approximation register (SAR) analog-to-digital converters (ADCs) that operate from a 3.0 V to 3.6 V power supply and feature throughput rates up to 4 MSPS. The analog input type is differential, accepts a wide common-mode input?voltage, and is sampled and converted on the falling edge of CS.An integrated on-chip oversampling block improves dynamic range and reduces noise at lower bandwidths. A buffered internal 2.5 V reference is included. Alternatively, an external?reference up to 3.3 V can be used.The conversion process and data acquisition use standard control?inputs allowing simple interfacing to microprocessors or digital signal processors (DSPs). The device is compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using the separate logic supply.The AD7380/AD7381 are available in a 16-lead lead frame chip scale package (LFCSP) with operation specified from ?40?C to +125?C.Product highlights Dual simultaneous sampling and conversion with two complete ADC functions. Pin-compatible product family. High 4 MSPS throughput rate. Space saving 3 mm ? 3 mm LFCSP. An integrated oversampling block to increase dynamic range, reduce noise, and reduce SCLK speed requirements. Differential analog inputs with wide common-mode range. Small sampling capacitor reduces amplifier drive burden.Applications Motor control position feedback Motor control current sense Sonar Power quality Data acquisition systems Erbium doped fiber amplifier (EDFA) applications I and Q demodulation

The AD7403 is a high performance, second-order, ?-? modulator that converts an analog input signal into a high speed, single-bit data stream, with on-chip digital isolation based on Analog Devices, Inc., iCoupler? technology. The AD7403 operates from a 5 V (VDD1) power supply and accepts a differential input signal of ?250 mV (?320 mV full-scale). The differential input is ideally suited to shunt voltage monitoring in high voltage applications where galvanic isolation is required.The analog input is continuously sampled by a high performance analog modulator, and converted to a ones density digital output stream with a data rate of up to 20 MHz. The original information can be reconstructed with an appropriate digital filter to achieve 88 dB signal to noise ratio (SNR) at ?78.1 kSPS. The serial input/output can use a 5 V or a 3 V supply (VDD2).The serial interface is digitally isolated. High speed complementary metal oxide semiconductor (CMOS) technology, combined with monolithic transformer technology, means the on-chip isolation provides outstanding performance characteristics, superior to alternatives such as optocoupler devices. The AD7403 device is offered in a 16-lead, wide-body SOIC package and has an operating temperature range of ?40?C to +125?C. The AD7403-8 device is offered in an 8-lead, wide-body SOIC package and has an operating temperature range of ?40?C to +105?C.Applications Shunt current monitoring AC motor controls Power and solar inverters Wind turbine inverters Data acquisition systems Analog-to-digital and opto-isolator replacements

The AD7440?/ AD7450A are 10-bit and 12-bit high speed, low power, successive approximation (SAR) analog-to-digital converters with a fully differential analog input. These parts operate from a single 3 V or 5 V power supply and use advanced design techniques to achieve very low powerdissipation at throughput rates up to 1 MSPS. The SAR architecture of these parts ensures that there are no pipeline delays.The parts contain a low noise, wide bandwidth, differential track-and-hold amplifier (T/H) that can handle input frequencies up to 3.5 MHz. The reference voltage is applied externally to the VREF pin and can be varied from 100 mV to 3.5 V depending on the power supply and what suits theapplication. The value of the reference voltage determines the common-mode voltage range of the part. With this truly differential input structure and variable reference input, the user can select a variety of input ranges and bias points.The conversion process and data acquisition are controlled using CS and the serial clock, allowing the device to interface with microprocessors or DSPs. The input signals are sampled on the falling edge of CS; the conversion is also initiated at this point. The SAR architecture of these parts ensures that there are no pipeline delays. The AD7440 and the AD7450A use advanced design techniques to achieve very low power dissipation at high throughput rates.PRODUCT HIGHLIGHTS Operation with either 3 V or 5 V power supplies. High throughput with low power consumption. With a 3 V supply, the AD7440 / AD7450A offer 4 mW max power consumption for 1 MSPS throughput. Fully differential analog input. Flexible power/serial clock speed management. The conversion rate is determined by the serial clock, allowing the power to be reduced as the conversion time is reduced through the serial clock speed increase. These parts also feature a shutdown mode to maximize power efficiency at lower throughput rates. Variable voltage reference input. No pipeline delay. Accurate control of the sampling instant via a CS input and once-off conversion control. ENOB > eight bits typically with 100 mV reference.APPLICATIONS Transducer interface Battery-powered systems Data acquisition systems Portable instrumentation Motor controlMICROWIRE is a trademark of National Semiconductor Corporation.SPI and QSPI are trademarks of Motorola, Inc.

The AD7606C-16 is a 16-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS) with eight channels. Each channel contains analog input clamp protection, a programmable gain amplifier (PGA), a low-pass filter (LPF), and a 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). The AD7606C-16 also contains a flexible digital filter, a low drift, 2.5 V precision reference, a reference buffer to drive the ADC, and flexible parallel and serial interfaces.The AD7606C-16 operates from a single 5 V supply and accommodates the following input ranges when sampling at throughput rates of 1 MSPS for all channels: Bipolar single-ended: ?12.5 V, ?10 V, ?6.25 V, ?5 V, and?2.5 V Unipolar single-ended: 0 V to 12.5 V, 0 V to 10 V, and 0 V to 5 V Bipolar differential: ?20 V, ?12.5 V, ?10 V, and ?5 VThe input clamp protection tolerates voltages up to ?21 V. The single supply operation, on-chip filtering, and high input impedance eliminate the need for external driver op amps, which require bipolar supplies. For applications with lower throughput rates, the AD7606C-16 flexible digital filter can be used to improve noise performance. In hardware mode, the AD7606C-16 is fully compatible with the AD7606 and AD7606B. In software mode, the following advanced features are available: Analog input range selectable per channel with added ranges available High bandwidth mode (220 kHz) selectable per channel Additional oversampling options with an oversampling ratio up to 256 System gain, system offset, and system phase calibration, per channel Analog input open circuit detector Diagnostic multiplexer Monitoring functions (serial peripheral interface (SPI) invalid read and write, cyclic redundancy check (CRC), busy stuck monitor, and reset detection)Note that throughout this data sheet, multifunction pins, such as the RD/SCLK pin, are referred to either by the entire pin name or by a single function of the pin, for example, the SCLK pin, when only that function is relevant.APPLICATIONS Power line monitoring Protective relays Multiphase motor control Instrumentation and control systems Data acquisition systems

The AD7607 is a 14-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS). The part contains analog input clamp protection; a second-order antialiasing filter; a track-and-hold amplifier; a 14-bit charge redistribution, successive approximation analog-to-digital converter (ADC); a flexible digital filter; a 2.5 V reference and reference buffer; and high speed serial and parallel interfaces.The AD7607 operates from a single 5 V supply and can accommodate ?10 V and ?5 V true bipolar input signals while sampling at throughput rates of up to 200 kSPS for all channels. The input clamp protection circuitry can tolerate voltages of up to ?16.5 V. The AD7607 has 1 M? analog input impedance, regardless of sampling frequency. The single supply operation, on-chip filtering, and high input impedance eliminate the need for driver op amps and external bipolar supplies. The AD7607 antialiasing filter has a 3 dB cutoff frequency of 22 kHz and provides 40 dB antialias rejection when sampling at 200 kSPS. The flexible digital filter is pin driven and can be used to simplify external filtering.Applications Power-line monitoring and protection systems Multiphase motor control Instrumentation and control systems Multiaxis positioning systems Data acquisition systems (DAS)

The AD7625 is a 16-bit, 6 MSPS, charge redistribution successive approximation register (SAR) based architecture analog-to-digital converter (ADC). SAR architecture allows unmatched performance both in noise (93 dB SNR) and in linearity (1 LSB). The AD7625 contains a high speed, 16-bit sampling ADC, an internal conversion clock, and an internal buffered reference. On the CNV? rising edge, it samples the voltage difference between the IN+ and IN? pins. The voltages on these pins swing in opposite phase between 0 V and REF. The 4.096 V reference voltage, REF, can be generated internally or applied externally.All converted results are available on a single LVDS self-clocked or echoed-clock serial interface, reducing external hardware connections.The AD7625 is housed in a 32-lead, 5 mm ? 5 mm LFCSP with operation specified from ?40?C to +85?C.APPLICATIONS High dynamic range telecommunications Receivers Digital imaging systems High speed data acquisition Spectrum analysis Test equipment

The AD7641 is a 18-bit, 2 MSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates from a single 2.5 V power supply. The part contains a high-speed 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports. It features a very high sampling rate mode (Warp) and a fast mode (Normal) for asynchronous conversion rate applications.The AD7641 is hardware factory calibrated and 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. Operation is specified from ?40?C to +85?C.PRODUCT HIGHLIGHTS Fast Throughput. The AD7641 is a 2 MSPS, charge redistribution, 18-bit SAR ADC. Superior Linearity. The AD7641 has no missing 18-bit code. Internal Reference. The AD7641 has a 2.048 V internal reference with a typical drift of ?10 ppm/?C and an on-chip TEMP sensor. Single-Supply Operation. The AD7641 operates from a 2.5 V single supply. Serial or Parallel Interface. Versatile parallel (16- or 8-bit bus) or 2-wire serial interface arrangement compatible with 2.5 V, 3.3 V, or 5 V logic.APPLICATIONS Medical instruments High dynamic data acquisition Instrumentation Spectrum analysis ATE

The AD7685 is a 16-bit, charge redistribution successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.3 V to 5.5 V. It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. The part also contains a low noise, wide bandwidth, short aperture delay, track-and-hold circuit. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN?. The reference voltage, REF, is applied externally and can be set up to the supply voltage.Power dissipation scales linearly with throughput.The SPI-compatible serial interface also features the ability, using the SDI input, to daisy chain several ADCs on a single 3-wire bus or provides an optional BUSY indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using the separate supply VIO.The AD7685 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from ?40?C to +85?C.APPLICATIONS Battery-powered equipment Medical instruments Mobile communications Personal digital assistants (PDAs) Data acquisition Instrumentation Process controls