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Maxim Integrated
Description : 18-Bit, 500kSPS, ±5V SAR ADC with Internal Reference in TDFN

General Description
The MAX11156 18-Bit, 500kSPS, SAR ADC offers excellent AC and DC performance with true bipolar input range, small size, and internal reference. The MAX11156 measures a ±5V (10VP-P) input range while operating from a single 5V supply. A patented charge-pump architecture alLows direct sampling of high- impedance sources. The MAX11156 integrates an optional 6ppm/°C reference with internal buffer, saving the cost and space of an external reference.
The MAX11156 produces 94.6dB SNR and -105dB THD (typ). The MAX11156 guarantees 18-Bit no-missing codes. The MAX11156 communicates using an SPI-compatible Serial interface at 2.5V, 3V, 3.3V, or 5V logic. The Serial interface can be used to daisy-chain multiple ADCs in parallel for multichannel applications and provides a busy indicator option for simplified system synchronization and timing.
The MAX11156 is offered in a 12-pin, 3mm x 3mm, TDFN package and is specified over the -40°C to +85°C temperature range.

● High DC and AC Accuracy
● 18-Bit Resolution with No Missing Codes
● SNR: 94.6dB
● THD: -105dB at 10kHz
● ±2.5 LSB INL (typ)
● ±0.4 LSB DNL (typ)
● Internal Reference and Reference Buffer Save Cost
   and Board Space
● 6ppm/°C (typ)
● Tiny 12-Pin 3mm x 3mm TDFN Package
● Bipolar ±5V Analog Input Range Saves External
   Signal Conditioning
● Single-Supply ADC with Low Power
● 5V Analog Supply
● 2.3V to 5V Digital Supply
● 26.5mW at 500kSPS
● Shutdown Mode
500kSPS Throughput Rate
● No Pipeline Delay/Latency
● Flexible Industry-Standard Serial Interface Saves I/O Pins

● Data Acquisition Systems
● Industrial Control Systems/Process Control
● Medical Instrumentation
● Automatic Test Equipment

Description : 500kSPS, Low-Power, Serial 12-/10-/8-Bit, 4-/8-/16-Channel ADCs

General Description
The MAX11135–MAX11143 are 12-/10-/8-Bit with external reference and industry-leading 1.5MHz, full linear bandwidth, high speed, Low-Power, Serial output successive-approximation register (SAR) analog-to-digital converters (ADCs). The MAX11135–MAX11143 include both internal and external clock modes. These devices feature scan mode in both internal and external clock modes. The internal clock mode features internal averaging to increase SNR. The external clock mode features the SampleSetK technology, a user-programmable analog input channel sequencer. The SampleSet approach provides greater sequencing flexibility for multichannel applications while alleviating significant microcontroller or DSP (controlling unit) communication overhead.

Benefits and Features
◆ Scan Modes, Internal Averaging, and Internal Clock
◆ 16-Entry First-In/First-Out (FIFO)
◆ SampleSet: User-Defined Channel Sequence with Maximum Length of 256
◆ Analog Multiplexer with True Differential Track/Hold
    ◇ 16-/8-/4-Channel Single-Ended
    ◇ 8-/4-/2-Channel Fully-Differential Pairs
    ◇ 15-/8-/4-Channel Pseudo-Differential Relative to a Common Input
◆ Two Software-Selectable Bipolar Input Ranges
    ◇ QVREF+/2, QVREF+
◆ Flexible Input Configuration Across All Channels
◆ High Accuracy
    ◇ Q1 LSB INL, Q1 LSB DNL, No Missing Codes Over Temperature Range
◆ 70dB SINAD Guaranteed at 250kHz Input Frequency
◆ 1.5V to 3.6V Wide Range I/O Supply
    ◇ AlLows the Serial Interface to Connect Directly to 1.8V, 2.5V, or 3.3V Digital Systems
◆ 2.35V to 3.6V Supply Voltage
◆ Longer Battery Life for Portable Applications
    ◇ Low Power
    ◇ 4.2mW at 500kSPS with 3V Supplies
    ◇ 2µA Full-Shutdown Current
◆ External Differential Reference (1V to VDD)
◆ 8MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSPCompatible Serial Interface
◆ Wide -40NC to +125NC Operation
◆ Space-Saving, 28-Pin, 5mm x 5mm TQFN Packages
500kSPS Conversion Rate, No Pipeline Delay
◆ 12-/10-/8-Bit Resolution

    High-Speed Data Acquisition Systems
    High-Speed Closed-Loop Systems
    Industrial Control Systems
    Medical Instrumentation
    Battery-Powered Instruments
    Portable Systems

Description : 12-Bit, 500kSPS Sampling A/D Converter with Shutdown

The LTC®1278 is a 1.6µs, 500kSPS, sampling 12-Bit A/D converter that draws only 75mW from a single 5V or ±5V supplies. This easy-to-use device comes complete with a 200ns sample-and-hold, a precision reference and an internally trimmed clock. Unipolar and bipolar conversion modes add to the flexibility of the ADC. The Low Power dissipation is made even more attractive by a 8.5mW Power-down feature. Instant wake-up from shutdown alLows the converter to be Powered down even during brief inactive periods.

■ Single Supply 5V or ±5V Operation
■ Two Speed Grades,500kSPS (LTC1278-5) 400ksps (LTC1278-4)
■ 70dB S/(N + D) and 74dB THD at Nyquist
■ No Missing Codes Over Temperature
■ 75mW (Typ) Power Dissipation
Power Shutdown with Instant Wake-Up
■ Internal Reference Can Be Overdriven Externally
■ Internal Synchronized Clock; No Clock Required
■ High Impedance Analog Input
■ 0V to 5V or ±2.5V Input Range
■ New Flexible, Friendly Parallel Interface to DSPs and FIFOs
■ 24-Pin Narrow PDIP and SW Packages

■ High Speed Data Acquisition
■ Digital Signal Processing
■ Multiplexed Data Acquisition Systems
■ Audio and Telecom Processing
■ Spectrum Analysis

Part Name(s) : MAX1462 MAX1462CCM
Maxim Integrated
Description : Low-Voltage, Low-Power, 16-Bit Smart ADC

General Description
The MAX1462 implements a revolutionary concept in signal conditioning, where the output of its 16-Bit analog-to-digital converter (ADC) is digitally corrected over the specified temperature range. This feature can be readily exploited by automotive, industrial, and medical market segments, in applications such as sensors and smart batteries. Digital correction is provided by an internal digital signal processor (DSP) and on-chip 128-Bit EEPROM containing user-programmed calibration coefficients. The conditioned output is available as a 12-Bit digital word and as a ratiometric (proportional to the supply voltage) analog voltage using an on-board 12-Bit digital-to-analog converter (DAC). The uncommitted op amp can be used to filter the analog output.

Low-Voltage Operation (2.4V to 3.6V)
Low-Noise, 310µA Single-Chip Sensor Signal
♦ High-Precision Front End Resolves <400nV of
   Differential Input Signal
♦ On-Chip DSP and EEPROM Provide Digital
   Correction of Sensor Errors
♦ 16-Bit Signal Path Compensates Sensor Offset
   and Sensitivity and Associated Temperature
♦ 12-Bit Parallel Digital Output
♦ Analog Output
♦ Compensates a Wide Range of Sensor Sensitivity and Offset
♦ Single-Shot Automated Compensation
   Algorithm—No Iteration Required
♦ Built-In Temperature Sensor
♦ Three-State, 5-Wire Serial Interface Supports
   High-Volume Manufacturing

   Hand-Held Instruments
   Piezoresistive Pressure and Acceleration
   Transducers and Transmitters
   Industrial Pressure Sensors and Calibrators
   Smart Battery Charge Systems
   Weigh Scales and Strain-Gauge Measurement
   FLow Meters
   Dive Computers and Liquid-Level Sensing
   Hydraulic Systems
   Automotive Systems

Description : 16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with 2-Wire Serial Interface

General Description
The MAX11205 is an ultra-Low-Power (< 300FA max active current), high-resolution, Serial-output ADC. This device provides the highest resolution per unit Power in the industry, and is optimized for applications that require very high dynamic range with Low Power such as sensors on a 4mA to 20mA industrial control loop. The MAX11205 provides a high-accuracy internal oscillator that requires no external components.

♦ 16-Bit Full-Scale Resolution
♦ 720nVRMS Noise (MAX11205B)
♦ 3ppm INL
♦ No Missing Codes
♦ Ultra-Low-Power Dissipation
    Operating-Mode Current Drain < 300µA (max)
    Sleep-Mode Current Drain < 0.1µA
♦ 2.7V to 3.6V Analog Supply Voltage Range
♦ 1.7V to 3.6V Digital and I/O Supply Voltage Range
♦ Fully Differential Signal Inputs
♦ Fully Differential Reference Inputs
♦ Internal System Clock
    2.4576MHz (MAX11205A)
    2.2528MHz (MAX11205B)
♦ External Clock
Serial 2-Wire Interface (Clock Input and Data Input)
♦ On-Demand Offset and Gain Self-Calibration
♦ -40°C to +85°C Operating Temperature Range
♦ ±2kV ESD Protection
♦ Lead(Pb)-Free and RoHS-Compliant µMAX Package

    Sensor Measurement (Temperature and Pressure)
    Portable Instrumentation
    Battery Applications
    Weigh Scales

Philips Electronics
Description : 80C51 8-Bit microcontroller 8K/256 OTP, 8 channel 10 Bit A/D, I2C, PWM, capture/compare, high I/O, Low voltage (2.7V–5.5V), Low Power

The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C552 has the same instruction set as the 80C51.
• 80C51 central processing unit
• 8k × 8 EPROM expandable externally to 64k bytes
• An additional 16-Bit timer/counter coupled to four capture registers
    and three compare registers
• Two standard 16-Bit timer/counters
• 256 × 8 RAM, expandable externally to 64k bytes
• Capable of producing eight synchronized, timed outputs
• A 10-Bit ADC with eight multiplexed analog inputs
• Fast 8-Bit ADC option
• Two 8-Bit resolution, pulse width modulation outputs
• Five 8-Bit I/O ports plus one 8-Bit input port shared with analog
• I2C-bus Serial I/O port with byte oriented master and slave
• On-chip watchdog timer
• Extended temperature ranges
• Full static operation – 0 to 16 MHz
• Operating voltage range: 2.7V to 5.5V (0 to 16MHz)
• Security Bits:
    – OTP/EPROM – 3 Bits
• Encryption array – 64 bytes
• 4 level priority interrupt
• 15 interrupt sources
• Full-duplex enhanced UART
    – Framing error detection
    – Automatic address recognition
Power control modes
    – Clock can be stopped and resumed
    – Idle mode
    – Power down mode
• Second DPTR register
• ALE inhiBit for EMI reduction
• Programmable I/O pins
• Wake-up from Power-down by external interrupts
• Software reset
Power-on detect reset
ADC charge pump disable
• ONCE mode
ADC active in Idle mode

Description : +5V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC

General Description
The MAX1400 18-Bit, Low-Power, multichannel, Serial output ADC uses a sigma-delta modulator with a digital decimation filter to achieve true 16-Bit accuracy. The user-selectable decimation factor of the digital filter alLows the conversion resolution to be reduced in exchange for a higher output data rate. The device achieves true 16-Bit performance at an output data rate of up to 480sps. In addition, the modulator sampling frequency may be optimized for either Lowest Power dissipation or highest throughput rate. The MAX1400 operates from +5V

♦ 18-Bit Resolution, Sigma-Delta ADC
♦ 16-Bit Performance with No Missing Codes to 480sps
Low Quiescent Current
    250µA (operating mode)
    2µA (Power-down mode)
♦ 3 Fully Differential or 5 Pseudo-Differential Signal Input Channels
♦ 2 Additional Fully Differential Calibration Channels/Auxiliary Input Channels
♦ Access to the Mux Output/ADC Input
♦ Programmable Gain and Offset
♦ Fully Differential Reference Inputs
♦ Converts Continuously or On Command
♦ Automatic Channel Scanning and Continuous Data Output Mode
♦ Operates with +5V Analog Supply and +3V or +5V Digital Supply
♦ SPI™/QSPI™-Compatible 3-Wire Serial Interface
♦ 28-Pin SSOP Package

    Portable Industrial Instruments
    Portable Weigh Scales
    Loop-Powered Systems
    Pressure Transducers

Description : Low-Cost, +5V, Serial-Input, Voltage-Output, 16-Bit DAC

General Description
The MAX5541 Serial-input, voltage-output, 16-Bit monotonic digital-to-analog converter (DAC) operates from a single +5V supply. The DAC output is unbuffered, resulting in Low 0.3mA supply current and Low 1LSB offset error. The DAC output range is 0V to VREF. The DAC latch accepts a 16-Bit Serial word. A Power-on reset circuit clears the DAC output to 0V (unipolar mode) when Power is initially applied.

♦ Full 16-Bit Performance Without Adjustments
♦ +5V Single-Supply Operation
Low Power: 1.5mW
♦ 1µs Settling Time
♦ Unbuffered Voltage Output Directly Drives 60kΩ
♦ SPI/QSPI/MICROWIRE-Compatible Serial Interface
Power-On Reset Circuit Clears DAC Output to 0V
   (unipolar mode)
♦ Schmitt Trigger Inputs for Direct Optocoupler

   High-Resolution Offset and Gain Adjustment
   Industrial Process Control
   Automated Test Equipment
   Data Acquisition Systems

Fairchild Semiconductor
Description : 16-Bit Serial-In, Serial/Parallel-Out Shift Register

General Description
The 74F673A contains a 16-Bit Serial-in, Serial-out shift register and a 16-Bit Parallel-Out storage register. A single pin serves either as an input for Serial entry or as a 3-STATE Serial output. In the Serial-Out mode, the data recirculates in the shift register.
Serial-to-parallel converter
■ 16-Bit Serial I/O shift register
■ 16-Bit parallel-out storage register
■ Recirculating Serial shifting
■ Recirculating parallel transfer
■ Common Serial data I/O pin
■ Slim 24 lead package

Description : Single-chip 16-Bit/32-Bit microcontrollers; 8 kB/16 kB/32 kB flash with ISP/IAP, fast ports and 10-Bit ADC

General description

The LPC2101/02/03 microcontrollers are based on a 16-Bit/32-Bit ARM7TDMI-S CPU with real-time emulation that combines the microcontroller with 8 kB, 16 kB or 32 kB of embedded high-speed flash memory. A 128-Bit wide memory interface and a unique accelerator architecture enable 32-Bit code execution at the maximum clock rate. For critical performance in interrupt service routines and DSP algorithms, this increases performance up to 30 % over Thumb mode. For critical code size applications, the alternative 16-Bit Thumb mode reduces code by more than 30 % with minimal performance penalty.

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