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ADC121S625

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Convertidor A/D de 12 bits, 50 ksps a 200 ksps, entrada diferencial, micromuestreo de potencia

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ADC121S625

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Detalles del producto

Resolution (bps) 12 Sample rate (max) (ksps) 200 Number of input channels 1 Interface type Microwire (Serial I/O), QSPI, SPI Architecture SAR Input type Differential, Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2.25 Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 72.9 Digital supply (min) (V) 4.5 Digital supply (max) (V) 5.5
Resolution (bps) 12 Sample rate (max) (ksps) 200 Number of input channels 1 Interface type Microwire (Serial I/O), QSPI, SPI Architecture SAR Input type Differential, Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2.25 Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 72.9 Digital supply (min) (V) 4.5 Digital supply (max) (V) 5.5
  • True Differential Inputs
  • Ensured Performance from 50ksps to 200ksps
  • External Reference
  • High AC Common-Mode Rejection
  • SPI™/QSPI™/MICROWIRE/DSP Compatible Serial Interface

Key Specifications

  • Conversion Rate 50 to 200 ksps
  • Offset Error 0.4 LSB (typ)
  • Gain Error 0.05 LSB (typ)
  • INL ± 1 LSB (max)
  • DNL ± 0.75 LSB (max)
  • CMRR 82 dB (typ)
  • Power Consumption
    • Active, 200 ksps 2.25 mW (typ)
    • Active, 50 ksps 1.33 mW (typ)
    • Power Down 60 nW (typ)

All trademarks are the property of their respective owners.

  • True Differential Inputs
  • Ensured Performance from 50ksps to 200ksps
  • External Reference
  • High AC Common-Mode Rejection
  • SPI™/QSPI™/MICROWIRE/DSP Compatible Serial Interface

Key Specifications

  • Conversion Rate 50 to 200 ksps
  • Offset Error 0.4 LSB (typ)
  • Gain Error 0.05 LSB (typ)
  • INL ± 1 LSB (max)
  • DNL ± 0.75 LSB (max)
  • CMRR 82 dB (typ)
  • Power Consumption
    • Active, 200 ksps 2.25 mW (typ)
    • Active, 50 ksps 1.33 mW (typ)
    • Power Down 60 nW (typ)

All trademarks are the property of their respective owners.

The ADC121S625 is a 12-bit, 50 ksps to 200 ksps sampling Analog-to-Digital (A/D) converter that features a fully differential, high impedance analog input and an external reference. While best performance is achieved with reference voltage between 500mV and 2.5V, the reference voltage can be varied from 100mV to 2.5V, with a corresponding resolution between 49µV and 1.22mV.

The output serial data is binary 2's complement, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and with many common DSP serial interfaces. The differential input, low power, automatic power down, and small size make the ADC121S625 ideal for direct connection to transducers in battery operated systems or remote data acquisition applications.

Operating from a single +5V supply, the normal power consumption is reduced to a few nanowatts in the power-down mode. The ADC121S625 is a pin-compatible superior replacement for the ADS7817 and is available in the VSSOP-8 package. Operation is ensured over the industrial temperature range of −40°C to +85°C and clock rates of 800 kHz to 3.2 MHz.

The ADC121S625 is a 12-bit, 50 ksps to 200 ksps sampling Analog-to-Digital (A/D) converter that features a fully differential, high impedance analog input and an external reference. While best performance is achieved with reference voltage between 500mV and 2.5V, the reference voltage can be varied from 100mV to 2.5V, with a corresponding resolution between 49µV and 1.22mV.

The output serial data is binary 2's complement, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and with many common DSP serial interfaces. The differential input, low power, automatic power down, and small size make the ADC121S625 ideal for direct connection to transducers in battery operated systems or remote data acquisition applications.

Operating from a single +5V supply, the normal power consumption is reduced to a few nanowatts in the power-down mode. The ADC121S625 is a pin-compatible superior replacement for the ADS7817 and is available in the VSSOP-8 package. Operation is ensured over the industrial temperature range of −40°C to +85°C and clock rates of 800 kHz to 3.2 MHz.
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* Data sheet ADC121S625 12-Bit, 50-200ksps, Diff Input, Micro Pwr Sampling ADC datasheet (Rev. B) 25 mar 2013

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  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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