PAD49GND48VDD47VDD46GND45VCM44SENSE43MODE42OF41D1140D1039OGND38OVDD37D936D835D734OVDD33OGND32D631D530D429OVDD28OGND27D326D225D124OVDD23OGND22DO21CLOCKOUT20OE#19SHDN18ENC-17ENC+16GND15VDD14GND13VDD12VDD11REFLA10REFLA9REFHB8REFHB7REFLB6REFLB5REFHA4REFHA3AIN-2AIN+1