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TSC2300IPAGR Folha de dados(PDF) 4 Page - Texas Instruments |
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TSC2300IPAGR Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 81 page www.ti.com TSC2300 SLAS372 — NOVEMBER 2002 ELECTRICAL CHARACTERISTICS At 25 °C, HPV DD = AVDD = DVDD = +3.3 V, VREF = External 2.5 V, unless otherwise noted. TSC2300 PARAMETER CONDITIONS UNITS MIN TYP MAX AUXILARY ANALOG INPUTS Input voltage range 0 +VREFIN V Input capacitance 25 ρF Input leakage current 1 µA BATTERY MONITOR INPUT Input voltage range 0.5 6.0 V Input capacitance 25 ρF Input leakage current ±1 µA TEMPERATURE MEASUREMENT Temperature range -40 +85 °C Temperature resolution 0.3 °C Accuracy ±2 °C TOUCH SCREEN A/D CONVERTER Resolution Programmable: 8-, 10-,12-Bits 12 Bits No missing codes 12-bit resolution 10 Bits Integral linearity ±6 LSB Offset error ±6 LSB Gain error ±6 LSB µV Noise <300 RMS AUDIO CODEC Sampling frequency 48 kHz AUDIO I/O 0.15* Audio in Line, Mic inputs 0.65* AVDD V AVDD 0.15* Audio out Line outputs 0.65* AVDD V AVDD ADC performance measured using AUDIO ADC Fs=48 KHz Signal-to-noise ratio, A-weighted 1 kHz input 80 88 dB Total harmonic distortion 1 kHz, -0.5 dB input -70 -60 dB 0.18* Full-scale input voltage Vrms AVDD Transition band 0.45Fs 0.55Fs Hz Stop band 0.55Fs 127Fs Hz Stop band rejection 70dB DAC performance measured at Line AUDIO DAC Outputs using Fs=48 KHz 0.18* Full-scale output voltage Vrms AVDD Signal-to-noise ratio, A-weighted 1 kHz input 98 dB Total harmonic distortion 1 kHz, 0 dB input -100 dB Frequency response 20 0.45Fs Hz Transition band 0.45Fs 0.55Fs Hz Stop band 0.55Fs 3.5Fs Hz Stop band rejection 65 dB 4 |
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