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CS5529-AP 数据表(PDF) 23 Page - Cirrus Logic |
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CS5529-AP 数据表(HTML) 23 Page - Cirrus Logic |
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23 / 30 page ![]() CS5529 DS246F1 23 Power Supply Arrangements The CS5529 is designed to operate from single or dual analog supplies and a single digital supply. The following power supply connections are possi- ble: VA+ = +5 V; VA- = 0 V; VD+ = +3 V to +5 V VA+ = +2.5 V; VA- = -2.5 V; VD+ = +3 V to +5 V. Figure 10 illustrates the CS5529 connected with a single +5 V supply to measure differential inputs relative to a common mode of 2.5 V. Figure 11 il- Figure 10. CS5529 Configured with a +5.0 V Analog Supply. XOUT VD+ VA+ VREF+ VREF- DGND AIN+ SCLK SDO SDI CS5529 XIN CS +5.0 V Analog Supply 20 19 3 213 10 11 9 14 15 8 12 Optional Clock Source Serial Data Interface 32.768 kHz ~ 100 kHz AIN- 4 18 D3 D2 D1 D0 A1 A0 17 16 7 6 5 VA- 1 ±5 V Differential Inputs (Gain Register = 1.0) ±2.5 V Differential Inputs (Gain Register = 2.0) ±1.25 V Differential Inputs (Gain Register = 4.0) Logic Outputs: A0, A1 Switch from VA+ to VA- D0-D3 Switch from VD+ to DGND + - Common Mode = 0 to VA+ 0.1 µF 0.1 µF 10 Ω Figure 11. CS5529 Configured with ±2.5 V Analog Supplies. XOUT VD+ VA+ VREF+ VREF- DGND AIN+ SCLK SDO SDI CS5529 XIN CS +2.5 V Analog Supply 20 19 3 213 10 11 9 14 15 8 12 Optional Clock Source Serial Data Interface 32.768 kHz ~ 100 kHz AIN- 4 18 D3 D2 D1 D0 A1 A0 17 16 7 6 5 VA- -2.5 V Analog Supply 1 ±2.5 V Differential Inputs (Gain Register = 1.0) ±1.25 V Differential Inputs (Gain Register = 2.0) ±625 mV Differential Inputs (Gain Register = 4.0) +3 V ~ +5 V Digital Supply Logic Outputs: A0, A1 Switch from VA+ to VA- D0-D3 Switch from VD+ to DGND 0.1 µF 0.1 µF 0.1 µF |
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