Cheap And Discounts 1Pcs DDC112 DDC112U 20-bit Analog-to-digital Converter (ADC) Dual-channel Chip 3KHz SOP28 Wholesale. Buy Directly From Merchant HARBLL Automotive performance chip Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.