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ADC78H90

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8-Channel, 500 KSPS, 12-Bit A/D Converter

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Data sheet

ADC78H90

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 12 Sample rate (max) (ksps) 500 Number of input channels 8 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 1.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 73 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 500 Number of input channels 8 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Supply Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 1.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 73 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • 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: 500kSPS
  • DNL: ± 1LSB (max)
  • INL: ± 1LSB (max)
  • Power Consumption
    • 3V Supply: 1.5 mW (typ)
    • 5V Supply: 8.3 mW (typ)

All trademarks are the property of their respective owners.

  • 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: 500kSPS
  • DNL: ± 1LSB (max)
  • INL: ± 1LSB (max)
  • Power Consumption
    • 3V Supply: 1.5 mW (typ)
    • 5V Supply: 8.3 mW (typ)

All trademarks are the property of their respective owners.

The ADC78H90 is a low-power, eight-channel CMOS 12-bit analog-to-digital converter with a conversion throughput of 500 kSPS. 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 AIN1 through AIN8.

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 ADC78H90 may be operated with independent analog and digital supplies. The analog supply (AVDD) can range from +2.7V to +5.25V, and the digital supply (DVDD) can range from +2.7V to AVDD. Normal power consumption using a +3V or +5V supply is 1.5 mW and 8.3 mW, respectively. The power-down feature reduces the power consumption to just 0.3 µW using a +3V supply, or 0.5 µW using a +5V supply.

The ADC78H90 is packaged in a 16-lead TSSOP package. Operation over the industrial temperature range of −40°C to +85°C is ensured.

The ADC78H90 is a low-power, eight-channel CMOS 12-bit analog-to-digital converter with a conversion throughput of 500 kSPS. 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 AIN1 through AIN8.

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 ADC78H90 may be operated with independent analog and digital supplies. The analog supply (AVDD) can range from +2.7V to +5.25V, and the digital supply (DVDD) can range from +2.7V to AVDD. Normal power consumption using a +3V or +5V supply is 1.5 mW and 8.3 mW, respectively. The power-down feature reduces the power consumption to just 0.3 µW using a +3V supply, or 0.5 µW using a +5V supply.

The ADC78H90 is packaged in a 16-lead TSSOP package. Operation over the industrial temperature range of −40°C to +85°C is ensured.
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* Data sheet ADC78H90 8-Channel, 500 kSPS, 12-Bit A/D Converter datasheet (Rev. D) Mar 25, 2013
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015

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