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IO13PDB0V0 Datenblatt(PDF) 96 Page - Microsemi Corporation |
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IO13PDB0V0 Datenblatt(HTML) 96 Page - Microsemi Corporation |
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96 / 197 page ![]() SmartFusion DC and Switching Characteristics 2- 84 R e v i sio n 1 2 Analog Sigma-Delta Digital to Analog Converter (DAC) Unless otherwise noted, sigma-delta DAC performance is specified at 25°C with nominal power supply voltages, using the internal sigma-delta modulators with 16-bit inputs, HCLK = 100 MHz, modulator inputs updated at a 100 KHz rate, in voltage output mode with an external 160 pF capacitor to ground, after trimming and digital [pre-]compensation. Table 2-98 • Analog Sigma-Delta DAC Specification Test Conditions Min. Typ. Max. Units Resolution 8 24 Bits Output range 0 to 2.56 V Current output mode 0 to 256 µA Output Impedance 6 10 12 K Ω Current output mode 10 M Ω Output voltage compliance Current output mode 0–3.0 V –40ºC to +100ºC 0–2.7 0–3.4 V Gain error Voltage output mode 0.3 ±2 % A2F060: –40ºC to +100ºC 0.3 ±2 % A2F200: –40ºC to +100ºC 1.2 ±5.3 % A2F500: –40ºC to +100ºC 0.3 ±2 % Current output mode 0.3 ±2 % A2F060: –40ºC to +100ºC 0.3 ±2 % A2F200: –40ºC to +100ºC 1.2 ±5.3 % A2F500: –40ºC to +100ºC 0.3 ±2 % Output referred offset DACBYTE0 = h’00 (8-bit) 0.25 ±1 mV –40ºC to +100ºC 1 ±2.5 mV Current output mode 0.3 ±1 µA –40ºC to +100ºC 1 ±2.5 µA Integral non-linearity RMS deviation from BFSL 0.1 0.3 % FS* Differential non-linearity 0.05 0.4 % FS* Analog settling time Refer to Figure 2-44 on page 2-85 µs Power supply rejection ratio DC, full scale output 33 34 dB Note: *FS is full-scale error, defined as the difference between the actual value that triggers the transition to full-scale and the ideal analog full-scale transition value. Full-scale error equals offset error plus gain error. Refer to the Analog-to-Digital Converter chapter of the SmartFusion Programmable Analog User’s Guide for more information. |
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