Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
ADS1231IDR Datasheet(PDF) 3 Page - Texas Instruments |
|
|
ADS1231IDR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page ADS1231 www.ti.com SBAS414C – JULY 2009 – REVISED DECEMBER 2010 ELECTRICAL CHARACTERISTICS Minimum/maximum limit specifications apply from –40°C to +85°C. Typical specifications at +25°C. All specifications at AVDD = DVDD = VREFP = +5V, VCM = 2.5V and VREFN = GND, unless otherwise noted. ADS1231 PARAMETER CONDITIONS MIN TYP MAX UNIT ANALOG INPUTS ±0.5VREF/128 V Full-scale input voltage (AINP – AINN) VREF = AVDD = 5V ±19.5 mV VREF = AVDD = 3V ±11.7 mV Common-mode input range GND + 1.5 AVDD – 1.5 V Differential input current ±2 nA LOW-SIDE POWER SWITCH AVDD = 5V, ISW = 30mA 3.5 5 Ω On-resistance (RON) AVDD = 3V, ISW = 30mA 4 7 Ω Current through switch 30 mA SYSTEM PERFORMANCE Resolution No missing codes 24 Bits Internal oscillator, SPEED = high 80 SPS Internal oscillator, SPEED = low 10 SPS Data rate External oscillator, SPEED = high fCLK/61, 440 SPS External oscillator, SPEED = low fCLK/491, 520 SPS Digital filter settling time Full settling 4 Conversions Integral nonlinearity (INL) Differential input, end-point fit ±8 ppm Input offset error 10 mV Input offset drift ±20 nV/°C Gain error 1 % Gain drift ±2 ppm/°C fIN = 50Hz or 60Hz ±1Hz, fDATA = 10SPS, 80 100 dB internal oscillator Normal-mode rejection(1) fIN = 50Hz or 60Hz ±1Hz, fDATA = 10SPS, 90 110 dB external oscillator(2) Common-mode rejection At dc 110 dB fDATA = 10SPS, AVDD = VREF = 5V 35 nV, rms fDATA = 80SPS, AVDD = VREF = 5V 102 nV, rms Noise fDATA = 10SPS, AVDD = VREF = 5V 232 nV, P-P fDATA = 80SPS, AVDD = VREF = 5V 622 nV, P-P Power-supply rejection At dc 90 100 dB VOLTAGE REFERENCE INPUT Voltage reference input (VREF) VREF = VREFP – VREFN 1.5 AVDD AVDD + 0.1 V Negative reference input (VREFN) AGND – 0.1 VREFP – 1.5 V Positive reference input (VREFP) VREFN + 1.5 AVDD + 0.1 V Voltage reference input current 10 nA DIGITAL INPUT/OUTPUT (DVDD = 3V to 5.3V) VIH 0.8 DVDD DVDD + 0.1 V VIL GND 0.2 DVDD V Logic levels VOH IOH = 500mA DVDD – 0.4 V VOL IOL = 500mA 0.2 DVDD V Input leakage 0 < VDIGITAL INPUT < DVDD ±10 mA Serial clock input frequency (fSCLK) 5 MHz (1) Specification is assured by the combination of design and final test. (2) External oscillator = 4.9152MHz. Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 3 |
Número de pieza similar - ADS1231IDR |
|
Descripción similar - ADS1231IDR |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |