ADS7945 ADS7946 www.
ti.
com SBAS539B – JUNE 2011 – REVISED SEPTEMBER 2011 14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital Converters Check for Samples: ADS7945, ADS7946 FEATURES 1 •23 Sample Rate: 2 MSPS • 14-Bit, Pin-Compatible with 8/10/12-bit ADS7947/8/9 Family (ADS7946) • Outstanding Performance: – SNR: 84 dB (ADS7945) – No Missing Codes – INL: 1.
5 LSB (max) (ADS7945) • Low Power: – 11.
6 mW at 2 MSPS Operation – Auto Power-Down at Lower Speeds: – 7.
2 mW at 500 kSPS – 1.
4 mW at 100 kSPS – 0.
3 mW at 20 kSPS • Wide Supply Range: – Analog: 2.
7 V to 5.
25 V – Digital: 1.
65 V to AVDD • Simple Serial Interface (SPI) • Fully Specified from –40°C to +125...

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