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ADS127L18

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Eight-channel, simultaneous-sampling, 512-kSPS, wideband 24-bit delta-sigma ADC

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Data sheet

ADS127L18

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Product details

Resolution (Bits) 24 Sample rate (max) (ksps) 512 Number of input channels 8 Interface type Parallel Architecture Delta-Sigma Input type Differential, Pseudo-Differential, Single-ended Rating Catalog TI functional safety category Functional Safety-Capable Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator, Wideband Operating temperature range (°C) -40 to 125 Analog supply (min) (V) 2.85 Analog supply voltage (max) (V) 5.5 SNR (dB) 110 Digital supply (min) (V) 1.65 Digital supply (max) (V) 1.95
Resolution (Bits) 24 Sample rate (max) (ksps) 512 Number of input channels 8 Interface type Parallel Architecture Delta-Sigma Input type Differential, Pseudo-Differential, Single-ended Rating Catalog TI functional safety category Functional Safety-Capable Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator, Wideband Operating temperature range (°C) -40 to 125 Analog supply (min) (V) 2.85 Analog supply voltage (max) (V) 5.5 SNR (dB) 110 Digital supply (min) (V) 1.65 Digital supply (max) (V) 1.95
VQFN (RSH) 56 49 mm² 7 x 7
  • Simultaneously measure four or eight channels
  • Selectable speed and power modes:
    • Max-speed mode: 512kSPS
      • 91mW (ADS127L14)
      • 173mW (ADS127L18)
    • High-speed mode: 400kSPS
      • 73mW (ADS127L14)
      • 138mW (ADS127L18)
    • Mid-speed mode: 200kSPS
      • 42mW (ADS127L14)
      • 75mW (ADS127L18)
    • Low-speed mode: 50kSPS
      • 17mW (ADS127L14)
      • 25mW (ADS127L18)
  • Excellent AC performance with DC precision:
    • Dynamic range at 256kSPS: 111.5dB (typical)
    • THD: –125dB (typical)
    • INL: 0.4ppm of FS (typical)
    • Offset drift: 50nV/°C (typical)
    • Gain drift: 0.6ppm/°C (typical)
  • Wideband or low-latency filter modes
  • Up to 1.365MSPS in the low-latency filter mode
  • Precharge buffered signal inputs
  • Pin or SPI programmable
  • Dedicated 100MHz CMOS data port
  • Internal or external clock operation
  • Analog supply voltage: 2.85V to 5.5V
  • Package: 56-pin, 7mm × 7mm VQFN
  • Simultaneously measure four or eight channels
  • Selectable speed and power modes:
    • Max-speed mode: 512kSPS
      • 91mW (ADS127L14)
      • 173mW (ADS127L18)
    • High-speed mode: 400kSPS
      • 73mW (ADS127L14)
      • 138mW (ADS127L18)
    • Mid-speed mode: 200kSPS
      • 42mW (ADS127L14)
      • 75mW (ADS127L18)
    • Low-speed mode: 50kSPS
      • 17mW (ADS127L14)
      • 25mW (ADS127L18)
  • Excellent AC performance with DC precision:
    • Dynamic range at 256kSPS: 111.5dB (typical)
    • THD: –125dB (typical)
    • INL: 0.4ppm of FS (typical)
    • Offset drift: 50nV/°C (typical)
    • Gain drift: 0.6ppm/°C (typical)
  • Wideband or low-latency filter modes
  • Up to 1.365MSPS in the low-latency filter mode
  • Precharge buffered signal inputs
  • Pin or SPI programmable
  • Dedicated 100MHz CMOS data port
  • Internal or external clock operation
  • Analog supply voltage: 2.85V to 5.5V
  • Package: 56-pin, 7mm × 7mm VQFN

The ADS127L14 (quad) and ADS127L18 (octal) are 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs) based on the single-channel ADS127L11. The devices provide simultaneous sampling of four or eight channels with data rates up to 512kSPS (wideband filter mode) and 1365kSPS (low-latency filter mode)

The ADS127L14 (quad) and ADS127L18 (octal) are 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs) based on the single-channel ADS127L11. The devices provide simultaneous sampling of four or eight channels with data rates up to 512kSPS (wideband filter mode) and 1365kSPS (low-latency filter mode)

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Technical documentation

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Type Title Date
* Data sheet ADS127L1x 512kSPS, Quad and Octal, Simultaneous-Sampling, 24-Bit ADCs datasheet PDF | HTML 04 Mar 2024
EVM User's guide ADS127L18EVM-PDK Evaluation Module User's Guide PDF | HTML 06 Feb 2024

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VQFN (RSH) 56 View options
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