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ADS9227

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Two-channel, simultaneous-sampling, 16-bit 5-MSPS SAR ADC with fully-differential ADC input driver

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Data sheet

ADS9227

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 16 Sample rate (max) (ksps) 5000 Number of input channels 2 Interface type Serial LVDS Architecture SAR Input type Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.1 Input voltage range (min) (V) 0.7 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 360 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 94 Digital supply (min) (V) 1.75 Digital supply (max) (V) 1.85
Resolution (Bits) 16 Sample rate (max) (ksps) 5000 Number of input channels 2 Interface type Serial LVDS Architecture SAR Input type Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.1 Input voltage range (min) (V) 0.7 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 360 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 94 Digital supply (min) (V) 1.75 Digital supply (max) (V) 1.85
VQFN (RHA) 40 36 mm² (6 mm × 6 mm)
  • High-speed sampling rate: 20MSPS/ch
    • ADS9229: 20MSPS/ch, 230mW/ch
    • ADS9228: 10MSPS/ch, 146mW/ch
    • ADS9227: 5MSPS/ch, 95mW/ch
  • 2-channel, simultaneous sampling
  • Feature integration:
    • Integrated ADC driver
    • Integrated precision reference
    • Common-mode voltage output buffer
  • High-performance:
    • 16-bit no missing codes
    • INL: ±0.3LSB, DNL: ±0.3LSB
    • SNR: 93.9dB
  • Wide input bandwidth (–3dB):
    • ADS9229 and ADS9228: 90MHz
    • ADS9227: 45MHz
  • Serial LVDS interface:
    • SDR and DDR output modes
    • Synchronous clock and data output
  • Extended operating range: –40°C to +125°C
  • High-speed sampling rate: 20MSPS/ch
    • ADS9229: 20MSPS/ch, 230mW/ch
    • ADS9228: 10MSPS/ch, 146mW/ch
    • ADS9227: 5MSPS/ch, 95mW/ch
  • 2-channel, simultaneous sampling
  • Feature integration:
    • Integrated ADC driver
    • Integrated precision reference
    • Common-mode voltage output buffer
  • High-performance:
    • 16-bit no missing codes
    • INL: ±0.3LSB, DNL: ±0.3LSB
    • SNR: 93.9dB
  • Wide input bandwidth (–3dB):
    • ADS9229 and ADS9228: 90MHz
    • ADS9227: 45MHz
  • Serial LVDS interface:
    • SDR and DDR output modes
    • Synchronous clock and data output
  • Extended operating range: –40°C to +125°C

The ADS922x is a family of 16-bit, high-speed, dual-channel, simultaneous-sampling, analog-to-digital converter (ADC) with an integrated driver for the ADC inputs. The integrated ADC driver simplifies the signal chain, reduces power consumption for precision applications, and supports high-frequency signals beyond 1MHz. By not requiring an external decoupling capacitor, the integrated ADC reference buffer is optimized for wide bandwidth applications.

The ADS922x uses a serial LVDS (SLVDS) data interface that enables high-speed digital interface while minimizing digital switching noise. Read the dual-channel ADC data using separate SLVDS outputs per ADC channel or one SLVDS output for both ADC channels.

The ADS922x is a family of 16-bit, high-speed, dual-channel, simultaneous-sampling, analog-to-digital converter (ADC) with an integrated driver for the ADC inputs. The integrated ADC driver simplifies the signal chain, reduces power consumption for precision applications, and supports high-frequency signals beyond 1MHz. By not requiring an external decoupling capacitor, the integrated ADC reference buffer is optimized for wide bandwidth applications.

The ADS922x uses a serial LVDS (SLVDS) data interface that enables high-speed digital interface while minimizing digital switching noise. Read the dual-channel ADC data using separate SLVDS outputs per ADC channel or one SLVDS output for both ADC channels.
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Technical documentation

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* Data sheet ADS922x Dual, Simultaneous-Sampling, 16-Bit, 20MSPS SAR ADCs With Fully Differential ADC Input Driver datasheet (Rev. C) PDF | HTML Mar 27, 2025
Application brief Precision ADCs in Servo Drives (Rev. A) PDF | HTML Oct 29, 2025
Application brief 1MHz Signal-Chain for Wide Bandwidth Data Acquisition PDF | HTML Jan 22, 2025
Application brief Low Latency Signal-Chains for Digital Control Loops with ADS9219 (Rev. A) PDF | HTML May 22, 2024
Technical article Higher precision ADCs to monitor automated testers and encoders PDF | HTML May 3, 2024

Design & development

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The ADS9227 evaluation module (EVM) is a platform for evaluating the performance of the ADS9227 device, a 2-channel, 16-bit 5MSPS per channel SAR ADC with integrated ADC driver and voltage reference. The ADS9227EVM includes the two unique signal chain proposals which customers can use to evaluate (...)
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Support software

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The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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