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MSP430FG4619 Fiches technique(PDF) 35 Page - Texas Instruments |
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MSP430FG4619 Fiches technique(HTML) 35 Page - Texas Instruments |
35 / 116 page C VREF+ 1 mF 0 1ms 10ms 100ms t REFON t REFON » .66xC [ms]withC in VREF+ VREF+ mF 100 mF 10 mF 35 MSP430FG4619, MSP430FG4618, MSP430FG4617, MSP430FG4616 MSP430CG4619, MSP430CG4618, MSP430CG4617, MSP430CG4616 www.ti.com SLAS508K – APRIL 2006 – REVISED MAY 2020 Submit Documentation Feedback Product Folder Links: MSP430FG4619 MSP430FG4618 MSP430FG4617 MSP430FG4616 MSP430CG4619 MSP430CG4618 MSP430CG4617 MSP430CG4616 Specifications Copyright © 2006–2020, Texas Instruments Incorporated (1) The internal buffer operational amplifier and the accuracy specifications require an external capacitor. All INL and DNL tests uses two capacitors between pins VREF+ and AVSS and VREF-–/VeREF– and AVSS: 10-µF tantalum and 100-nF ceramic. (2) The condition is that the error in a conversion started after tREFON is less than ±0.5 LSB. The settling time depends on the external capacitive load. 5.29 12-Bit ADC, Built-In Reference over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREF+ Positive built in reference voltage output REF2_5V = 1 for 2.5 V, IVREF+max ≤ IVREF+ ≤ IVREF+min VCC = 3 V 2.4 2.5 2.6 V REF2_5V = 0 for 1.5 V, IVREF+max ≤ IVREF+ ≤ IVREF+min VCC = 2.2 V, 3 V 1.44 1.5 1.56 AVCC(min) AVCC minimum voltage, Positive built in reference active REF2_5V = 0, IVREF+max ≤ IVREF+ ≤ IVREF+min 2.2 V REF2_5V = 1, IVREF+min ≥ IVREF+ ≥ –0.5 mA 2.8 REF2_5V = 1, IVREF+min ≥ IVREF+ ≥ – 1 mA 2.9 IVREF+ Load current out of VREF+ terminal VCC = 2.2 V 0.01 –0.5 mA VCC = 3 V 0.01 –1 IL(VREF+) Load-current regulation, VREF+ terminal IVREF+ = 500 µA ±100 µA, Analog input voltage ≈ 0.75 V, REF2_5V = 0 VCC = 2.2 V ±2 LSB VCC = 3 V ±2 IVREF+ = 500 µA ±100 µA, Analog input voltage ≈ 1.25 V, REF2_5V = 1 VCC = 3 V ±2 IDL(VREF+) Load current regulation, VREF+ terminal IVREF+ = 100 µA → 900 µA, CVREF+ = 5 µF, Ax ≈ 0.5 × VREF+, Error of conversion result ≤ 1 LSB VCC = 3 V 20 ns CVREF+ Capacitance at pin VREF+ (1) REFON = 1, 0 mA ≤ IVREF+ ≤ IVREF+max VCC = 2.2 V, 3 V 5 10 µF TREF+ Temperature coefficient of built- in reference IVREF+ is a constant in the range of 0 mA ≤ IVREF+ ≤ 1 mA VCC = 2.2 V, 3 V ±100 ppm/°C tREFON Settling time of internal reference voltage (see Figure 5-23 ) (2) IVREF+ = 0.5 mA, CVREF+ = 10 µF, VREF+ = 1.5 V, VAVCC = 2.2 V 17 ms Figure 5-23. Typical Settling Time of Internal Reference tREFON vs External Capacitor on VREF+ |
Numéro de pièce similaire - MSP430FG4619_V01 |
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Description similaire - MSP430FG4619_V01 |
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