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Description : 16-Bit, 100 kSPS/200 kSPS BiCMOS A/D CONVERTER

GENERAL DESCRIPTION

The AD977/AD977A is a high speed, low power 16-bit A/D CONVERTER that operates from a single 5 V supply. The AD977A has a throughput rate of 200 kSPS whereas the AD977 has a throughput rate of 100 kSPS. Each part contains a successive approximation, switched capacitor ADC, an internal 2.5 V reference, and a high speed SERIAL INTERFACE. The ADC is factory calibrated to minimize all linearity errors. The AD977/AD977A is specified for full scale bipolar input ranges of ±10 V, ±5 V and ±3.3 V, and unipolar ranges of 0 V to 10 V, 0 V to 5 V and 0 V to 4 V.

The AD977/AD977A is comprehensively tested for ac parameters such as SNR and THD, as well as the more traditional dc parameters of offset, gain and linearity.



PRODUCT HIGHLIGHTS

1. Fast Throughput

   The AD977/AD977A is a high speed, 16-bit ADC based on

a factory calibrated switched capacitor architecture.

2. Single-Supply Operation

   The AD977/AD977A operates from a single 5 V supply and dissipates only 100 mW max.

3. Comprehensive DC and AC Specifications

   In addition to the traditional specifications of offset, gain and linearity, the AD977/AD977A is fully tested for SNR and THD.

  

FEATURES

  Fast 16-Bit ADC

     100 kSPS Throughput Rate—AD977

     200 kSPS Throughput Rate—AD977A

  Single 5 V Supply Operation

  Power Dissipation 100 mW Max

  Power-Down Mode 50 μW

  Input Ranges:

     Unipolar; 0 V–10 V, 0 V–5 V and 0 V–4 V

     Bipolar; ±10 V, ±5 V and ±3.3 V

  Choice of External or Internal 2.5 V Reference

  High Speed SERIAL INTERFACE

  On-Chip Clock

  20-Lead Skinny DIP or SOIC Package

  28-Lead Skinny SSOP Package



 


Description : 16-Bit, 100 kSPS/200 kSPS BiCMOS A/D CONVERTERs

GENERAL DESCRIPTION
The AD976/AD976A is a high speed, low power 16-bit A/D CONVERTER that operates from a single 5 V supply. The part contains a successive approximation, switched capacitor ADC, an internal 2.5 V reference and a high speed parallel INTERFACE. The ADC is factory calibrated to minimize all linearity errors. The analog full-scale input is the standard industrial range of ±10 V.
   
FEATURES
    Fast 16-Bit ADC
    200 kSPS Throughput – AD976A
    100 kSPS Throughput – AD976
    Single 5 V Supply Operation
    Input Range: ±10 V
    100 mW Max Power Dissipation
    Choice of External or Internal 2.5 V Reference
    High Speed Parallel INTERFACE
    On-Chip Clock
    28-Lead Skinny DIP, SSOP or SOIC Packages
   

Exar
Exar Corporation
Description : CMOS 750 KSPS, 12-Bit ANALOG-TO-DIGITAL CONVERTER WITH SERIAL Logic INTERFACE Port

GENERAL DESCRIPTION
The XRD66092 is a 12-bit 750 kHz subranging ANALOG-TO-DIGITAL CONVERTER WITH an internal track and hold.
The XRD66092 operates WITH a single supply ranging from +3 V to +5 V while consuming less than 175 mW of power (typical).

FEATURES
• 12-Bit Monotonic ADC WITH DNL = +1 LSB, INL = +2.5 LSB
• SNR > 66 dB
• Sampling Frequency < 750 kHz
• Internal Track and Hold
• Single 5 V Supply
• Rail-to-Rail Input Range
• VREF Range: 1.5 V to VDD
• CMOS Low Power: 175 mW (typ)
• Binary and Two’s Complement Digital Output Mode
SERIAL Port
• ESD: 2000 V Minimum
• Underflow and Overflow Outputs
• Precision Aperture Output
• 6 Reference Resistor Taps
• Latch-Up Free

APPLICATIONS
• Control Systems
• Instrumentation
• DAS
• Sonar
• Digital Radio

Description : Single Channel, 200 to 500 ksps, 10-Bit A/D CONVERTER

General Description
The ADC101S051 is a low-power, single channel CMOS 10-bit ANALOG-TO-DIGITAL CONVERTER WITH a high-speed SERIAL INTERFACE. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC101S051 is fully specified over a sample rate range of 200 ksps to 500 ksps. The CONVERTER is based upon a successive approximation register architecture WITH an internal track and-hold circuit.
The output SERIAL data is straight binary, and is compatible WITH several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP SERIAL INTERFACEs.
The ADC101S051 operates WITH a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3.6V or +5.25V supply is 2.7 mW and 9.7 mW, respectively. The power-down feature reduces the power consumption to as low as 2.6 µW using a +5.25V supply.
The ADC101S051 is packaged in 6-lead LLP and SOT-23 packages. Operation over the industrial temperature range of −40˚C to +85˚C is guaranteed.

Features
■ Specified over a range of sample rates.
■ 6-lead LLP and SOT-23 packages
■ Variable power management
■ Single power supply WITH 2.7V - 5.25V range
■ SPI™/QSPI™/MICROWIRE/DSP compatible

Applications
■ Portable Systems
■ Remote Data Acquisition
■ Instrumentation and Control Systems

ADI
Analog Devices
Description : Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23

GENERAL DESCRIPTION
The AD74521 is a 12-bit, high speed, low power, successive approximation (SAR) ANALOG-TO-DIGITAL CONVERTER that features a fully differential analog input. This part operates from a single 3 V or 5 V power supply and features throughput rates up to 555 kSPS.

FEATURES
   Specified for VDD of 3 V and 5 V
   Low power at max throughput rate
      3.3 mW max at 555 kSPS WITH 3 V supplies
      7.25 mW max at 555 kSPS WITH 5 V supplies
   Fully differential analog input
   Wide input bandwidth
      70 dB SINAD at 100 kHz input frequency
   Flexible power/SERIAL clock speed management
   No pipeline delays
   High speed SERIAL INTERFACE
      SPI/QSPI™/MICROWIRE™/DSP compatible
   Power-down mode: 1 μA max
   8-lead SOT-23 package

APPLICATIONS
   Transducer INTERFACE
   Battery-powered systems
   Data acquisition systems
   Portable instrumentation
   Motor control

Description : 8-Channel, 200 kSPS, 12-Bit ADC WITH Sequencer in 20-Lead TSSOP

[ADI]

GENERAL DESCRIPTION
The AD7927 is a 12-bit, high speed, low power, 8-channel, successive-approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz.

FEATURES
   Fast Throughput Rate: 200 kSPS
   Specified for AVDD of 2.7 V to 5.25 V
   Low Power:
      3.6 mW Max at 200 kSPS WITH 3 V Supply
      7.5 mW Max at 200 kSPS WITH 5 V Supply
   8 (Single-Ended) Inputs WITH Sequencer
   Wide Input Bandwidth:
      70 dB Min SINAD at 50 kHz Input Frequency
   Flexible Power/SERIAL Clock Speed Management
   No Pipeline Delays
   High Speed SERIAL INTERFACE SPI™/QSPI™/
      MICROWIRE™/DSP Compatible
   Shutdown Mode: 0.5 μA Max
   20-Lead TSSOP Package

ADI
Analog Devices
Description : +2.7 V to +5.5 V, 400 kSPS 8-/10-Bit Sampling ADC

GENERAL DESCRIPTION
The AD7813 is a high speed, microprocessor-compatible, 8-/10-bit ANALOG-TO-DIGITAL CONVERTER WITH a maximum throughput of 400 kSPS. The CONVERTER operates off a single +2.7 V to +5.5 V supply and contains a 2.3 µs successive approximation A/D CONVERTER, track/hold circuitry, on-chip clock oscillator and 8-bit wide parallel INTERFACE. The parallel INTERFACE is designed to allow easy interfacing to microprocessors and DSPs. The 10-bit conversion result is read by carrying out two 8-bit read operations. The first read operation accesses the 8 MSBs of the ADC conversion result and the second read accesses the 2 LSBs. Using only address decoding logic the AD7813 is easily mapped into the microprocessor address space.

FEATURES
   8-/10-Bit ADC WITH 2.3 μs Conversion Time
   On-Chip Track and Hold
   Operating Supply Range: +2.7 V to +5.5 V
   Specifications at 2.7 V–3.6 V and 5 V ± 10%
   8-Bit Parallel INTERFACE
      8-Bit + 2-Bit Read
   Power Performance
      Normal Operation
         10.5 mW, VDD = 3 V
      Automatic Power-Down
         34.6 μW @ 1 kSPS, VDD = 3 V
   Analog Input Range: 0 V to VREF
   Reference Input Range: 1.2 V to VDD

ADI
Analog Devices
Description : +2.7 V to +5.5 V, 400 kSPS 8-/10-Bit Sampling ADC

GENERAL DESCRIPTION
The AD7813 is a high-speed, microprocessor-compatible, 8-/10-bit ANALOG-TO-DIGITAL CONVERTER WITH a maximum throughput of 400 kSPS. The CONVERTER operates off a single +2.7 V to +5.5 V supply and contains a 2.3 µs successive approximation A/D CONVERTER, track/hold circuitry, on-chip clock oscillator and 8-bit wide parallel INTERFACE. The parallel INTERFACE is designed to allow easy interfacing to microprocessors and DSPs. The 10-bit conversion result is read by carrying out two 8-bit read operations. The first read operation accesses the 8 MSBs of the ADC conversion result and the second read accesses the 2 LSBs. Using only address decoding logic the AD7813 is easily mapped into the microprocessor address space.

FEATURES
   8-/10-Bit ADC WITH 2.3 μs Conversion Time
   On-Chip Track and Hold
   Operating Supply Range: +2.7 V to +5.5 V
   Specifications at 2.7 V–3.6 V and 5 V  10%
   8-Bit Parallel INTERFACE
      8-Bit + 2-Bit Read
   Power Performance
      Normal Operation
         10.5 mW, VDD = 3 V
      Automatic Power-Down
         34.6 μW @ 1 kSPS, VDD = 3 V
   Analog Input Range: 0 V to VREF
   Reference Input Range: 1.2 V to VDD

ADI
Analog Devices
Description : 2.7 V to 5.5 V, 400 kSPS 8-/10-Bit Sampling ADC

GENERAL DESCRIPTION
The AD7813 is a high-speed, microprocessor-compatible, 8-/10-bit ANALOG-TO-DIGITAL CONVERTER WITH a maximum throughput of 400 kSPS. The CONVERTER operates off a single 2.7 V to 5.5 V supply and contains a 2.3 µs successive approximation A/D CONVERTER, track/hold circuitry, on-chip clock oscillator and 8-bit wide parallel INTERFACE. The parallel INTERFACE is designed to allow easy interfacing to microprocessors and DSPs. The 10-bit conversion result is read by carrying out two 8-bit read opera tions. The first read operation accesses the 8 MSBs of the ADC conversion result and the second read accesses the 2 LSBs. Using only address decoding logic the AD7813 is easily mapped into the microprocessor address space.

FEATURES
   8-/10-Bit ADC WITH 2.3 μs Conversion Time
   On-Chip Track and Hold
   Operating Supply Range: 2.7 V to 5.5 V
   Specifications at 2.7 V–3.6 V and 5 V  10%
   8-Bit Parallel INTERFACE
      8-Bit + 2-Bit Read
   Power Performance
      Normal Operation
         10.5 mW, VDD = 3 V
      Automatic Power-Down
         34.6 μW @ 1 kSPS, VDD = 3 V
   Analog Input Range: 0 V to VREF
   Reference Input Range: 1.2 V to VDD

Description : 8-Channel, 200 kSPS, 12-Bit ADC WITH Sequencer in 20-Lead TSSOP

GENERAL DESCRIPTION
The AD7927 is a 12-bit, high speed, low power, 8-channel, successive-approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz.

FEATURES
   Fast Throughput Rate: 200 kSPS
   Specified for AVDD of 2.7 V to 5.25 V
   Low Power:
      3.6 mW Max at 200 kSPS WITH 3 V Supply
      7.5 mW Max at 200 kSPS WITH 5 V Supply
   8 (Single-Ended) Inputs WITH Sequencer
   Wide Input Bandwidth:
      70 dB Min SINAD at 50 kHz Input Frequency
   Flexible Power/SERIAL Clock Speed Management
   No Pipeline Delays
   High Speed SERIAL INTERFACE SPI™/QSPI™/
      MICROWIRE™/DSP Compatible
   Shutdown Mode: 0.5 μA Max
   20-Lead TSSOP Package

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