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CS5014 数据表(PDF) 32 Page - Cirrus Logic |
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CS5014 数据表(HTML) 32 Page - Cirrus Logic |
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32 / 40 page ![]() Figure 36. CS5012A/14/16 System Connection Diagram 29 31 32 34 28 30 12 11 40 VREF AIN REFBUF VA- AGND VA+ VD+ DGND VD- +5V -5V 10 Ω 10 Ω Voltage Reference Reset Generator Data Processor Serial Data Interface (optional) Clock Source (optional) Control Logic Mode Select * Analog Supply Source Signal Analog Supply Analog TST BW RESET A0 CAL D0-D15 SCLK SDATA CLKIN 27 37 23 44 43 8 or 16 42 41 1 39 38 24 25 26 36 35 0.1 µF 0.01 µF 0.1 µF 0.1 µF May be microprocessor or discrete logic. 0.1 µF INTRLV EOC EOT HOLD BP/UP RD CS 0.1 µF CS5012A or VREF ±VREF 0 10 µF Signal Conditioning 1000 pF 200 Ω CS5014 CS5016 Unused Logic inputs should only be connected to VD+ or DGND. * BW and BP/UP should always be terminated to VD+ or DGND, For best dynamic S/(N+D) performance. or driven by a logic gate. Function RST A0 CAL Hold and Start Convert Initiate Burst Calibration Stop Burst Cal and Begin Track Initiate Interleave Calibration Terminate Interleave Cal Read Output Data Read Status Register High Impedance Data Bus High Impedance Data Bus Reset Reset 0 0 0 0 0 0 0 X X 1 X * * * * * 1 0 * * X 0 X X X X X 0 0 X 1 X X X X X 0 1 X X X X X X X 1 0 X X X X X X X X X 0 0 0 0 0 0 1 X X 0 X 1 X X X 1 X X X 0 HOLD CS INTRLV RD Table 4. CS5012A/14/16 Truth Table * The status of A0 is not critical to the operation specified. However, A0 should not be low with CS and HOLD low, or a software reset will result. CS5012A, CS5014, CS5016 DS14F8 2-39 CS5012A CS5014 CS5016 32 DS14F9 |
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