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MCP4921T-ESN Datasheet(PDF) 5 Page - Microchip Technology |
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MCP4921T-ESN Datasheet(HTML) 5 Page - Microchip Technology |
5 / 40 page 2004 Microchip Technology Inc. DS21897A-page 5 MCP4921/4922 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 = 0.2v p-p, f = 100 Hz and 1 kHz Input Range - Unbuffered Mode VREF 0— VDD V Input Impedance RVREF — 174 — k Ω 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=1 fVREF — 400 — kHz VREF = 2.5V ±0.1 Vp-p, Unbuffered, G = 2 Multiplying Mode - Total Harmonic Distortion THDVREF —— — dB VREF = 2.5V ±0.1Vp-p, Frequency = 1 kHz Output Amplifier Output Swing VOUT — 0.010 to VDD – 0.040 — Accuracy is better than 1 LSB for VOUT = 10 mV to (VDD – 40 mV) Phase Margin θm — 66 — degrees Slew Rate SR — 0.55 — V/µs Short Circuit Current ISC —17— mA Settling Time tsettling — 4.5 — µs Within 1/2 LSB of final value from 1/4 to 3/4 full-scale range Dynamic Performance DAC to DAC Crosstalk — 10 — nV-s Note 2 Major Code Transition Glitch — 45 — nV-s 1 LSB change around major carry (0111...1111 to 1000...0000) Digital Feedthrough — 10 — nV-s Note 2 Analog Crosstalk — 10 — nV-s Note 2 5V EXTENDED TEMPERATURE SPECIFICATIONS (CONTINUED) Electrical Specifications: Unless otherwise indicated, VDD = 5V, AVSS = 0V, VREF = 2.048V, output buffer gain (G) = 2x, RL = 5 kΩ to GND, CL = 100 pF. Typical values at +125°C by characterization or simulation. Parameters Sym Min Typ Max Units Conditions Note 1: By design, not production tested. 2: Too small to quantify. |
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