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MCP4902 Datasheet(PDF) 5 Page - Microchip Technology |
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MCP4902 Datasheet(HTML) 5 Page - Microchip Technology |
5 / 48 page 2010 Microchip Technology Inc. DS22250A-page 5 MCP4902/4912/4922 ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V, Output Buffer Gain (G) = 2x, RL = 5 k to GND, CL = 100 pF. Typical values are at +125°C by characterization or simulation. Parameters Sym Min Typ Max Units Conditions Power Requirements Operating Voltage VDD 2.7 — 5.5 V Operating Current IDD — 400 — µA VREF input is unbuffered, all digi- tal inputs are grounded, all analog outputs (VOUT) are unloaded. Code=000h Hardware Shutdown Current ISHDN — 1.5 — µA POR circuit is turned-off Software Shutdown Current ISHDN_SW — 5 — µA POR circuit stays turned-on Power-On Reset threshold VPOR —1.85 — V DC Accuracy MCP4902 Resolution n 8 — — Bits INL Error INL ±0.25 LSb DNL DNL ±0.2 LSb Note 1 MCP4912 Resolution n 10 — — Bits INL Error INL ±1 LSb DNL DNL ±0.2 LSb Note 1 MCP4922 Resolution n 12 — — Bits INL Error INL ±4 LSb DNL DNL ±0.25 LSb Note 1 Offset Error VOS — ±0.02 — % of FSR Code 0x000h Offset Error Temperature Coefficient VOS/°C — -5 — ppm/°C +25°C to +125°C Gain Error gE — -0.10 — % of FSR Code = 0xFFFh, not including off- set error Gain Error Temperature Coefficient G/°C — -3 — ppm/°C Input Amplifier (VREF Input) Input Range – Buffered Mode VREF — 0.040 to VDD – 0.040 —V Note 1 Code = 2048, VREF = 0.2V p-p, f = 100 Hz and 1kHz Input Range – Unbuffered Mode VREF 0— VDD V Input Impedance RVREF — 174 — k Unbuffered mode Input Capacitance – Unbuffered Mode CVREF —7 — pF Note 1: Guaranteed monotonic by design over all codes. 2: This parameter is ensured by design, and not 100% tested. |
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