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MCP4921T-EP Datasheet(PDF) 2 Page - Microchip Technology |
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MCP4921T-EP Datasheet(HTML) 2 Page - Microchip Technology |
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2 / 40 page  MCP4921/4922 DS21897A-page 2 2004 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † VDD............................................................................................................. 6.5V All inputs and outputs w.r.t ............. AVSS –0.3V to VDD+0.3V Current at Input Pins ....................................................±2 mA Current at Supply Pins ...............................................±50 mA Current at Output Pins ...............................................±25 mA Storage temperature .....................................-65°C to +150°C Ambient temp. with power applied ................-55°C to +125°C ESD protection on all pins ........... ≥ 4 kV (HBM), ≥ 400V (MM) Maximum Junction Temperature (TJ) . .........................+150°C † Notice: Stresses above those listed under “Maximum Rat- ings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Expo- sure to maximum rating conditions for extended periods may affect device reliability. 5V AC/DC CHARACTERISTICS 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 TA = -40 to +85°C. Typical values at +25°C. Parameters Sym Min Typ Max Units Conditions Power Requirements Input Voltage VDD 2.7 — 5.5 Input Current - MCP4921 Input Current - MCP4922 IDD — — 175 350 350 700 µA Input unbuffered, digital inputs grounded, output unloaded, code at 0x000 Hardware Shutdown Current ISHDN —0.3 2 µA Software Shutdown Current ISHDN_SW —3.3 6 µA Power-on-Reset Threshold VPOR —2.0 — V DC Accuracy Resolution n 12 — — Bits INL Error INL -12 2 12 LSB DNL DNL -0.75 ±0.2 +0.75 LSB Device is Monotonic Offset Error VOS — ±0.02 1 % of FSR Code 0x000h Offset Error Temperature Coefficient VOS/°C — 0.16 — ppm/°C -45°C to 25°C — -0.44 — ppm/°C +25°C to 85°C Gain Error gE — -0.10 1 % 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 — 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 — 165 — k Ω Unbuffered Mode Input Capacitance - Unbuffered Mode CVREF —7 — pF Multiplier Mode -3 dB Bandwidth fVREF — 450 — kHz VREF = 2.5V ±0.2Vp-p, Unbuffered, G = 1 fVREF — 400 — kHz VREF = 2.5V ±0.2 Vp-p, Unbuffered, G = 2 Multiplier Mode - Total Harmonic Distortion THDVREF —-73 — dB VREF = 2.5V ±0.2Vp-p, Frequency = 1 kHz Note 1: By design, not production tested. 2: Too small to quantify. |
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