 |
Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
|
Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
ADS1242 Datasheet(PDF) 4 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
ADS1242 Datasheet(HTML) 4 Page - Texas Instruments |
|
|
4 / 25 page  ADS1242, 1243 4 SBAS235B www.ti.com ELECTRICAL CHARACTERISTICS: VDD = 3V All specifications TMIN to TMAX, VDD = +3V, fMOD = 19.2kHz, PGA = 1, Buffer ON, fDATA = 15Hz, VREF ≡ (REF IN+) – (REF IN–) = +1.25V, unless otherwise specified. ADS1242 ADS1243 PARAMETER CONDITIONS MIN TYP MAX UNITS ANALOG INPUT (AIN0 – AIN7) Analog Input Range Buffer OFF GND – 0.1 VDD + 0.1 V Buffer ON GND + 0.05 VDD – 1.5 V Full-Scale Input Voltage Range (In+) – (In–) See Block Diagram, RANGE = 0 ±V REF /PGA V RANGE = 1 ±V REF /(2 • PGA) V Input Impedance Buffer OFF 5/PGA M Ω Buffer ON 5 G Ω Bandwidth fDATA = 3.75Hz –3dB 1.65 Hz fDATA = 7.50Hz –3dB 3.44 Hz fDATA = 15.00Hz –3dB 14.6 Hz Programmable Gain Amplifier User-Selectable Gain Ranges 1 128 Input Capacitance 9pF Input Leakage Current Modulator OFF, T = 25 °C5 pA Burnout Current Sources 2 µA OFFSET DAC Offset DAC Range RANGE = 0 ±V REF /(2 • PGA) V RANGE = 1 ±V REF /(4 • PGA) V Offset DAC Monotonicity 8 Bits Offset DAC Gain Error ±10 % Offset DAC Gain Error Drift 2 ppm/ °C SYSTEM PERFORMANCE Resolution No Missing Codes 24 Bits Integral Nonlinearity End Point Fit ±0.0015 % of FS Offset Error(1) 15 ppm of FS Offset Drift(1) 0.04 ppm of FS/ °C Gain Error(1) 0.01 % Gain Error Drift(1) 1.0 ppm/ °C Common-Mode Rejection at DC 100 dB fCM = 60Hz, fDATA = 15Hz 130 dB fCM = 50Hz, fDATA = 15Hz 120 dB Normal-Mode Rejection fSIG = 50Hz, fDATA = 15Hz 100 dB fSIG = 60Hz, fDATA = 15Hz 100 dB Output Noise See Typical Characteristics Power-Supply Rejection at DC, dB = –20 log( ∆V OUT /VDD) (2) 75 90 dB VOLTAGE REFERENCE INPUT Reference Input Range REF IN+, REF IN– 0VDD V VREF VREF ≡ (REF IN+) – (REF IN–), RANGE = 0 0.1 1.25 1.30 V RANGE = 1 0.1 2.5 2.6 V Common-Mode Rejection at DC 120 dB Common-Mode Rejection fVREFCM = 60Hz, fDATA = 15Hz 120 dB Bias Current(3) VREF = 1.25 0.65 µA POWER-SUPPLY REQUIREMENTS Power-Supply Voltage VDD 2.7 3.3 V Current PGA = 1, Buffer OFF 190 375 µA PGA = 128, Buffer OFF 460 700 µA PGA = 1, Buffer ON 240 375 µA PGA = 128, Buffer ON 870 1325 µA SLEEP Mode 75 µA Read Data Continuous Mode 113 µA PDWN = 0 0.5 nA Power Dissipation PGA = 1, Buffer OFF 0.6 1.2 mW TEMPERATURE RANGE Operating –40 +85 °C Storage –60 +100 °C NOTES: (1) Calibration can minimize these errors. (2) ∆V OUT is a change in digital result. (3) 12pF switched capacitor at fSAMP clock frequency. |
Número de pieza similar - ADS1242 |
|
Descripción similar - ADS1242 |
|
|
|
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 |
Spanish ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
