ADS7052 14-Bit, 1MSPS, Single-Ended Input, Small-Size Low-Power SAR ADC |

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14-Bit, 1MSPS, Single-Ended Input, Small-Size Low-Power SAR ADC



The ADS7052 device belongs to a family of pin-to-pin compatible, high-speed, low-power, single-channel successive-approximation register (SAR) type analog-to-digital converters (ADCs). The device family includes multiple resolutions, throughputs, and analog input variants (see Table 1 for a list of devices).

The ADS7052 is a 14-bit, 1-MSPS SAR ADC that supports a single-ended input in the range of 0 V to AVDD, for AVDD in the range of 1.65 V to 3.6 V.

The internal offset calibration feature maintains excellent offset specifications over the entire AVDD and temperature operating range.

The device supports an SPI-compatible serial interface that is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for both conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interfacing to a variety of host controllers. The ADS7052 complies with the JESD8-7A standard for a normal DVDD range (1.65 V to 1.95 V).

The ADS7052 is available in an 8-pin, small, X2QFN package and is specified over the extended industrial temperature range (–40°C to +125°C). The small form-factor and extremely-low power consumption make this device suitable for space-constrained and battery-powered applications that require high-speed, high-resolution data acquisition.


  • 1-MSPS Throughput
  • Small Package Size:
    • X2QFN-8 Package (1.5 mm × 1.5 mm)
  • Unipolar Input Range: 0 V to AVDD
  • Wide Operating Range:
    • AVDD: 1.65 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V (Independent of AVDD)
    • Temperature Range: –40°C to +125°C
  • Excellent Performance:
    • 14-Bit NMC DNL, ±2-LSB INL
    • 74.5-dB SINAD at 2 kHz
    • 72.5-dB SINAD at 200 kHz
  • Low Power Consumption:
    • 1.5 mW at 1 MSPS With 3.3-V AVDD
    • 160 µW at 100 kSPS With 3.3-V AVDD
    • 40 µW at 100 kSPS With 1.8-V AVDD
  • Integrated Offset Calibration
  • SPI-Compatible Serial Interface: 24 MHz
  • JESD8-7A Compliant Digital I/O

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Part number Order Resolution (Bits) Sample rate (Max) (kSPS) Number of input channels Interface Operating temperature range (C) Package Group Approx. price (US$) Power consumption (Typ) (mW) Package size: mm2:W x L (PKG) Architecture Input type Multi-channel configuration Reference mode Features Input range (Max) (V) Input range (Min) (V) Analog voltage AVDD (Min) (V) Analog voltage AVDD (Max) (V) Digital supply (Min) (V) Digital supply (Max) (V) INL (Max) (+/-LSB) SNR (dB) THD (Typ) (dB) Rating
ADS7052 Order now 14     1000     1     SPI     -40 to 125     X2QFN | 8     1.75 | 1ku     1.5     8X2QFN: 2 mm2: 1.5 x 1.5 (X2QFN | 8)     SAR     Single-Ended         Supply     Small Size     3.6     0     1.65     3.6     1.65     3.6     3.75     74.9     -90     Catalog