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MCP4921 数据表(PDF) 5 Page - Microchip Technology |
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MCP4921 数据表(HTML) 5 Page - Microchip Technology |
5 / 50 page 2010 Microchip Technology Inc. DS22248A-page 5 MCP4901/4911/4921 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 Input Voltage VDD 2.7 — 5.5 Input Current IDD —200 — µA VREF input is unbuffered, all digi- tal inputs are grounded, all analog outputs (VOUT) are unloaded. Code = 0x000h Software Shutdown Current ISHDN_SW —5— µA Power-on Reset Threshold VPOR —1.85— V DC Accuracy MCP4901 Resolution n 8 — — Bits INL Error INL ±0.25 LSb DNL DNL ±0.2 LSb Note 1 MCP4911 Resolution n 10 — — Bits INL Error INL ±1 LSb DNL DNL ±0.2 LSb Note 1 MCP4921 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 offset 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 = 0.2 Vp-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 Multiplying Mode -3 dB Bandwidth fVREF —450 — kHz VREF = 2.5V ±0.1 Vp-p, Unbuffered, G = 1x fVREF —400 — kHz VREF = 2.5V ±0.1 Vp-p, Unbuffered, G = 2x Note 1: Guaranteed monotonic by design over all codes. 2: This parameter is ensured by design, and not 100% tested. |
类似零件编号 - MCP4921 |
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类似说明 - MCP4921 |
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