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ADS7886

AKTIV

Serieller ADC, 2,35-5,25 V, 12 Bit, 1 MSPS

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ADS7042 AKTIV 12-Bit 1MSPS Ultra-Low-Power Ultra-Small-Size SAR ADC mit SPI-Schnittstelle Next generation, smaller size, lower power consumption

ADS7886

AKTIV
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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 13.5 Analog supply voltage (min) (V) 2.35 Analog supply voltage (max) (V) 5.25 SNR (dB) 72.25 Digital supply (min) (V) 2.35 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 13.5 Analog supply voltage (min) (V) 2.35 Analog supply voltage (max) (V) 5.25 SNR (dB) 72.25 Digital supply (min) (V) 2.35 Digital supply (max) (V) 5.25
SOT-23 (DBV) 6 8.12 mm² (2.9 mm × 2.8 mm) SOT-SC70 (DCK) 6 4.2 mm² (2 mm × 2.1 mm)
  • 1-MHz Sample Rate Serial Device
  • 12-Bit Resolution
  • Zero Latency
  • 20-MHz Serial Interface
  • Supply Range: 2.35 V to 5.25 V
  • Typical Power Dissipation at 1 MSPS:
    • 3.9 mW at 3-V VDD
    • 7.5 mW at 5-V VDD
  • INL ±1.25 LSB Maximum, ±0.65 LSB (Typical)
  • DNL ±1 LSB Maximum, +0.4 / –0.65 LSB (Typical)
  • Typical AC Performance:
    72.25-dB SINAD, –84-dB THD
  • Unipolar Input Range: 0 V to VDD
  • Power Down Current: 1 µA
  • Wide Input Bandwidth: 15 MHz at 3 dB
  • 6-Pin SOT-23 and SC70 Packages
  • 1-MHz Sample Rate Serial Device
  • 12-Bit Resolution
  • Zero Latency
  • 20-MHz Serial Interface
  • Supply Range: 2.35 V to 5.25 V
  • Typical Power Dissipation at 1 MSPS:
    • 3.9 mW at 3-V VDD
    • 7.5 mW at 5-V VDD
  • INL ±1.25 LSB Maximum, ±0.65 LSB (Typical)
  • DNL ±1 LSB Maximum, +0.4 / –0.65 LSB (Typical)
  • Typical AC Performance:
    72.25-dB SINAD, –84-dB THD
  • Unipolar Input Range: 0 V to VDD
  • Power Down Current: 1 µA
  • Wide Input Bandwidth: 15 MHz at 3 dB
  • 6-Pin SOT-23 and SC70 Packages

The ADS7886 is a 12-bit, 1-MSPS analog-to-digital converter (ADC). The device includes a capacitor based SAR A/D converter with inherent sample and hold. The serial interface in each device is controlled by the CS and SCLK signals for glueless connections with microprocessors and DSPs. The input signal is sampled with the falling edge of CS, and SCLK is used for conversion and serial data output.

The device operates from a wide supply range from 2.35 V to 5.25 V. The low power consumption of the device makes it suitable for battery-powered applications. The device also includes a power down feature for power saving at lower conversion speeds.

The high level of the digital input to the device is not limited to device VDD. This means the digital input can go as high as 5.25 V when device supply is 2.35 V. This feature is useful when digital signals are coming from other circuit with different supply levels. Also this relaxes restriction on power-up sequencing.

The ADS7886 is available in 6-pin SOT-23 and SC70 packages and is specified for operation from –40°C to 125°C.

The ADS7886 is a 12-bit, 1-MSPS analog-to-digital converter (ADC). The device includes a capacitor based SAR A/D converter with inherent sample and hold. The serial interface in each device is controlled by the CS and SCLK signals for glueless connections with microprocessors and DSPs. The input signal is sampled with the falling edge of CS, and SCLK is used for conversion and serial data output.

The device operates from a wide supply range from 2.35 V to 5.25 V. The low power consumption of the device makes it suitable for battery-powered applications. The device also includes a power down feature for power saving at lower conversion speeds.

The high level of the digital input to the device is not limited to device VDD. This means the digital input can go as high as 5.25 V when device supply is 2.35 V. This feature is useful when digital signals are coming from other circuit with different supply levels. Also this relaxes restriction on power-up sequencing.

The ADS7886 is available in 6-pin SOT-23 and SC70 packages and is specified for operation from –40°C to 125°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt ADS7886 12-Bit, 1-MSPS, Micro-Power, Miniature SAR Analog-to-Digital Converters datasheet (Rev. B) PDF | HTML 31.08.2016
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21.05.2015
Anwendungshinweis Determining Minimum Acquisition Times for SAR ADCs, part 2 17.03.2011
Anwendungshinweis Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) 10.11.2010

Design und Entwicklung

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Evaluierungsplatine

ADS7886EVM — ADS7886-Evaluierungsmodul

The ADS7886EVM is a full-featured reference design, prototype, and software platform for the ADS7886ADC. The reference design feature contains essential circuitry to show case the A/D converter. It gives the ability to change the input components to use different input frequencies. As a prototype (...)

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Simulationsmodell

ADS7886 IBIS Model (Rev. A)

SBAC050 (14 KB) - IBIS-Modell
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ADS7886 TINA-TI Spice Model

SLAM203.ZIP (25 KB) - TINA-TI Spice-Modell
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ADS7886 TINA-TI Transient Reference Design

SLAM202.TSC (4446 KB) - TINA-TI-Referenzdesign
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