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Rev 1; 2/09
Dual Delta-Sigma Modulator and Encoder
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General Description
Features
♦ Dual Delta-Sigma 2nd-Order Modulators Channel 0: Pin-Selectable Gain of 1x, 4x, 16x, or 32x Channel 1: Fixed Gain of 1x ♦ Selectable Internal or External Voltage Reference ♦ Manchester-Encoded Bit Stream Output Includes Synchronization Bits to Allow Clock Recovery Single-Pin Transmission Scheme Simplifies Electrical Isolation Using Capacitive Coupling ♦ Selectable Internal or External Clock Source ♦ Integrated Low-Power 8MHz Oscillator ♦ Operating Mode Active Mode (8MHz, VDD = 3.6V): 3.