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ADS7841-Q1

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Analog-zu-Digital-Wandler (ADC) mit Abtastung für die Automobilindustrie, 12 Bit, 4 Kanäle, serielle

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ADS7841-Q1 wird demnächst aus dem Programm genommen
Dieses Produkt wird demnächst aus dem Programm genommen. Für neue Designs sollte ein alternatives Produkt in Erwägung gezogen werden.
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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
ADS7950-Q1 AKTIV Unsymmetrischer Vier-Kanal-SAR-ADC für die Automobilindustrie, 12 Bit, 1 MSPS Similar Functionality

ADS7841-Q1

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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 200 Number of input channels 4 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.84 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) 200 Number of input channels 4 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.84 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
SSOP (DBQ) 16 29.4 mm² 4.9 x 6
  • Qualified for Automotive Applications
  • Single Supply: 2.7 V To 5 V
  • Four-Channel Single-Ended Or Two-Channel Differential Input
  • Up To 200-kHz Conversion Rate
  • ±2 LSB Max INL and DNL
  • No Missing Codes
  • 71-dB Typ SINAD
  • Serial Interface
  • Alternate Source For MAX1247
  • Qualified for Automotive Applications
  • Single Supply: 2.7 V To 5 V
  • Four-Channel Single-Ended Or Two-Channel Differential Input
  • Up To 200-kHz Conversion Rate
  • ±2 LSB Max INL and DNL
  • No Missing Codes
  • 71-dB Typ SINAD
  • Serial Interface
  • Alternate Source For MAX1247

The ADS7841 is a 4-channel 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. The resolution is programmable to either 8 bits or 12 bits. Typical power dissipation is 2 mW at a 200-kHz throughput rate and a 5-V supply. The reference voltage (VREF) can be varied between 100 mV and VCC, providing a corresponding input voltage range of 0 V to VREF. The device includes a shutdown mode that reduces power dissipation to under 15 µW. The ADS7841 is specified down to 2.7-V operation.

Low power, high speed, and on-board multiplexer make the ADS7841 ideal for battery-operated systems. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7841 is available in a SSOP-16 package.

The ADS7841 is a 4-channel 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. The resolution is programmable to either 8 bits or 12 bits. Typical power dissipation is 2 mW at a 200-kHz throughput rate and a 5-V supply. The reference voltage (VREF) can be varied between 100 mV and VCC, providing a corresponding input voltage range of 0 V to VREF. The device includes a shutdown mode that reduces power dissipation to under 15 µW. The ADS7841 is specified down to 2.7-V operation.

Low power, high speed, and on-board multiplexer make the ADS7841 ideal for battery-operated systems. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7841 is available in a SSOP-16 package.
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Technische Dokumentation

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* Data sheet 12-Bit 4-Channel Serial-Output Sampling Analog-to-Digital Converter.. datasheet (Rev. C) 28 Okt 2012

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