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MCP3906 Datasheet(PDF) 3 Page - Microchip Technology |
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MCP3906 Datasheet(HTML) 3 Page - Microchip Technology |
3 / 26 page © 2007 Microchip Technology Inc. DS21948D-page 3 MCP3905/06 TEMPERATURE CHARACTERISTICS Reference Input Input Range 2.2 — 2.6 V Input Impedance 3.2 — — k Ω Input Capacitance — — 10 pF Analog Inputs Maximum Signal Level — — ±1 V CH0+,CH0-,CH1+,CH1- to AGND Differential Input Voltage Range Channel 0 — — ±470/G mV G = PGA Gain on Channel 0 Differential Input Voltage Range Channel 1 —— ±660 mV Input Impedance 390 — — k Ω Proportional to 1/MCLK frequency Bandwidth (Notch Frequency) — 14 — kHz Proportional to MCLK frequency, MCLK/256 Oscillator Input Frequency Range MCLK 1 — 4 MHz Power Specifications Operating Voltage 4.5 — 5.5 V AVDD, DVDD IDD,A IDD,A —2.7 3.0 mA AVDD pin only IDD,D IDD,D —1.2 2.0 mA DVDD pin only Electrical Specifications: Unless otherwise indicated, VDD = 4.5V – 5.5V, AGND, DGND = 0V. Parameters Sym Min Typ Max Units Conditions Temperature Ranges Specified Temperature Range TA -40 — +85 °C Operating Temperature Range TA -40 — +125 °C Note Storage Temperature Range TA -65 — +150 °C Note: The MCP3905/06 operate over this extended temperature range, but with reduced performance. In any case, the Junction Temperature (TJ) must not exceed the Absolute Maximum specification of +150°C. ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise indicated, all parameters apply at AVDD = DVDD = 4.5V – 5.5V, Internal VREF, HPF turned on (AC mode), AGND, DGND = 0V, MCLK = 3.58 MHz; TA = -40°C to +85°C. Parameter Sym Min Typ. Max Units Comment Note 1: Measurement error = (Energy Measured By Device - True Energy)/True Energy * 100%. Accuracy is measured with signal (±660 mV) on Channel 1. FOUT0, FOUT1 pulse outputs. Valid from 45 Hz to 65 Hz. See Section 2.0 “Typical Performance Curves” for higher frequencies and increased dynamic range. 2: Does not include internal VREF. Gain = 1, CH0 = 470 mVDC, CH1 = 660 mVDC, difference between measured output frequency and expected transfer function. 3: Percent of HFOUT output frequency variation; Includes external VREF = 2.5V, CH1 = 100 mVRMS @ 50 Hz, CH2 = 100 mVRMS @ 50 Hz, AVDD = 5V + 1Vpp @ 100 Hz. DC PSRR: 5V ±500 mV. 4: Error applies down to 60° lead (PF = 0.5 capacitive) and 60° lag (PF = 0.5 inductive). 5: Refer to Section 4.0 “Device Overview” for complete description. 6: Specified by characterization, not production tested. 7: 1 MCLK period at 3.58 MHz is equivalent to less than <0.005 degrees at 50 or 60 Hz. 8: Gain error match is measured from CH0 G = 1 to any other gain setting. |
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Similar Description - MCP3906 |
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