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WM8213SCDS/V 数据表(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8213SCDS/V 数据表(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 38 page ![]() Production Data WM8213 w PD Rev 4.1 July 2008 7 Test Conditions AVDD = DVDD1 = DVDD2 = 3.3V, AGND = DGND = 0V, TA = 25 °C, MCLK = 24MHz unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Reset-Level Clamp (RLC) circuit/ Reference Level DAC RLC switching impedance 50 Ω VRLC short-circuit current 2 mA VRLC output resistance 2 Ω VRLC Hi-Z leakage current VRLC = 0 to AVDD 1 µA Reference RLCDAC resolution 4 bits Reference RLCDAC step size VRLCSTEP AVDD=3.3V RLCDACRNG=0 0.173 V/step Reference RLCDAC step size VRLCSTEP RLCDACRNG=1 0.11 V/step Reference RLCDAC output voltage at code 0(hex) VRLCBOT AVDD=3.3V, RLCDACRNG=0 0.4 V Reference RLCDAC output voltage at code 0(hex) VRLCBOT RLCDACRNG=1 0.4 V Reference RLCLDAC output voltage at code F(hex) VRLCTOP AVDD=3.3V, RLCDACRNG=0 3.0 V Reference RLCDAC output voltage at code F(hex) VRLCTOP RLCDACRNG = 1 2.05 V RLCDAC DNL -0.5 +0.5 LSB RLCDAC INL +/-1 LSB Offset DAC, Monotonicity Guaranteed Resolution 8 bits Differential non-linearity DNL 0.1 0.5 LSB Integral non-linearity INL 0.25 1 LSB Step size 2.04 mV/step Output voltage Code 00(hex) Code FF(hex) -260 +260 mV mV Programmable Gain Amplifier Resolution 9 bits Gain equation ] : [ PGA * . . 0 8 511 34 7 66 0 + V/V Max gain, each channel GMAX 8 V/V Min gain, each channel GMIN 0.66 V/V Channel Matching 1 5 % Analogue to Digital Converter Resolution 16 bits Speed 24 MSPS LOWREFS=0 2 V Full-scale input range (2*(VRT-VRB)) LOWREFS=1 1.2 V |
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