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Precision ADCs (<=10MSPS)

ADC128S102

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Eight-channel, 50-kSPS to 1-MSPS, 12-bit analog-to-digital converter (ADC)

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Data sheet

ADC128S102

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 12 Number of input channels 8 Sample rate (Max) (kSPS) 1000 Interface type SPI, Microwire (Serial I/O) Architecture SAR Input type Single-Ended Multi-channel configuration Multiplexed Rating Catalog Reference mode Supply Input range (Max) (V) 5.25 Input range (Min) (V) 0 Features — Operating temperature range (C) -40 to 105 Power consumption (Typ) (mW) 2.3 Analog voltage AVDD (Min) (V) 2.7 SNR (dB) 73 Analog voltage AVDD (Max) (V) 5.25 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.25
Resolution (Bits) 12 Number of input channels 8 Sample rate (Max) (kSPS) 1000 Interface type SPI, Microwire (Serial I/O) Architecture SAR Input type Single-Ended Multi-channel configuration Multiplexed Rating Catalog Reference mode Supply Input range (Max) (V) 5.25 Input range (Min) (V) 0 Features — Operating temperature range (C) -40 to 105 Power consumption (Typ) (mW) 2.3 Analog voltage AVDD (Min) (V) 2.7 SNR (dB) 73 Analog voltage AVDD (Max) (V) 5.25 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.25
TSSOP (PW) 16 22 mm² 5 x 4.4
  • Eight Input Channels
  • Variable Power Management
  • Independent Analog and Digital
    Supplies
  • SPI/QSPI™/MICROWIRE™/DSP Compatible
  • Packaged in 16-Lead TSSOP
  • Key Specifications
    • Conversion Rate 500 ksps to 1 MSPS
    • DNL (VA = VD = 5.0 V) +1.5 / –0.9
    • LSB (maximum) INL (VA = VD = 5.0 V) ±1.2 LSB
      (maximum)
    • Power Consumption
      • 3V Supply 2.3 mW (typical)
      • 5V Supply 10.7 mW (typical)
  • Eight Input Channels
  • Variable Power Management
  • Independent Analog and Digital
    Supplies
  • SPI/QSPI™/MICROWIRE™/DSP Compatible
  • Packaged in 16-Lead TSSOP
  • Key Specifications
    • Conversion Rate 500 ksps to 1 MSPS
    • DNL (VA = VD = 5.0 V) +1.5 / –0.9
    • LSB (maximum) INL (VA = VD = 5.0 V) ±1.2 LSB
      (maximum)
    • Power Consumption
      • 3V Supply 2.3 mW (typical)
      • 5V Supply 10.7 mW (typical)

The ADC128S102 is a low-power, eight-channel CMOS 12-bit analog-to-digital converter specified for conversion throughput rates of 500 ksps to 1 MSPS. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept up to eight input signals at inputs IN0 through IN7.

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 ADC128S102 may be operated with independent analog and digital supplies. The analog supply (VA) can range from +2.7 V to +5.25 V, and the digital supply (VD) can range from +2.7 V to VA. Normal power consumption using a +3-V or +5-V supply is 2.3 mW and 10.7 mW, respectively. The power-down feature reduces the power consumption to 0.06 µW using a +3-V supply and 0.25 µW using a +5-V supply.

The ADC128S102 is packaged in a 16-lead TSSOP package. Operation over the extended industrial temperature range of –40°C to +105°C is ensured.

The ADC128S102 is a low-power, eight-channel CMOS 12-bit analog-to-digital converter specified for conversion throughput rates of 500 ksps to 1 MSPS. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept up to eight input signals at inputs IN0 through IN7.

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 ADC128S102 may be operated with independent analog and digital supplies. The analog supply (VA) can range from +2.7 V to +5.25 V, and the digital supply (VD) can range from +2.7 V to VA. Normal power consumption using a +3-V or +5-V supply is 2.3 mW and 10.7 mW, respectively. The power-down feature reduces the power consumption to 0.06 µW using a +3-V supply and 0.25 µW using a +5-V supply.

The ADC128S102 is packaged in a 16-lead TSSOP package. Operation over the extended industrial temperature range of –40°C to +105°C is ensured.
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Technical documentation

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Type Title Date
* Data sheet ADC128S102 8-Channel, 500-ksps to 1-Msps, 12-Bit A/D Converter datasheet (Rev. G) PDF | HTML 05 Jan 2014
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21 May 2015
More literature Die D/S ADC128S102 MDP 8-Channel, 50 kSPS to 1 MSPS, 12-Bit A/D Converter 07 Jan 2013
More literature Die D/S ADC128S102-MDP 8-Channel, 50 kSPS to 1 MSPS, 12-Bit A/D Converter 20 Dec 2012

Design & development

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Evaluation board

ADC128S102EVM — ADC128S102 evaluation module for 12-bit, eight-channel, SAR analog-to-digital converter (ADC)

The ADC128S102 evaluation module (EVM) is a platform for evaluating the operation and performance of the ADC128S102, a 12-bit, eight-channel, 1-MSPS, serial-interface, system activity report (SAR) analog-to-digital converter (ADC). The user can source an analog input and the user-friendly graphical (...)

User guide: PDF | HTML
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Simulation model

ADC128S102QML IBIS Model

SNAM013.ZIP (126 KB) - IBIS Model
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Simulation model

ADC128S102-SEP TINA-TI Reference Design

SNAM253.TSC (15 KB) - TINA-TI Reference Design
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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Calculation tool

ADC-INPUT-CALC — Analog-to-digital converter (ADC) input driver design tool supporting multiple input types

ADC-INPUT-CALC is an online tool that provides support for designing the input buffer to an analog-to-digital converter (ADC). It offers 24 different op-amp based buffer circuits that can be used to drive an ADC input. The available topologies cover differential, single-ended and (...)
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Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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TSSOP (PW) 16 View options

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