AK9231

[AK9231] AK9231 Dual 12-Bit 1MSPS SAR A/D Converter 1. General Description The AK9231 is a 12-bit, 1MSPD, SAR A/D converter. It is housed in a space saving ultra-small package (16-pin QFN). 2. Features □ Simultaneous Sampling 12-bit SAR A/D Converter □ Sampling Rate: 1MSPS □ Unipolar Input Range: 0 ~ VDD □ S/(N+D): 71.25dB(Typ.) at 100kHz Input □ INL: ±1.25 SB (Max.) □ DNL: ±1.0 LSB(Max.) □ Power Consumption: IDD=50mW (fs=1MSPS, VDD= 5V) □ Power Supply: VDD=2.35 ~ 5.25V □ Operational Temperature Range: Ta=-40 ~ 105ºC □ Package: Ultra-small 16-pin QFN (3mm x 3mm) Package VDD AIN0 AIN1 SAR S/H Serial I/F ADC & Control Logic SAR S/H ADC VSS TEST0 TEST1 Figure 1. AK9231 Block Diagram SCLK SDO0 SDO1 CSN TEST2 TEST3 014010771-E-00 -1- 2014/12 [AK9231] 3. Table of Contents 1. General Description ............................................................................................................................ 1 2. Features .............................................................................................................................................. 1 3. Table of Contents ................................................................................................................................ 2 4. Pin Configurations and Functions....................................................................................................... 3 4.1. Pin Layout ...............................................................................................