 |
Moteur de recherche de fiches techniques de composants électroniques |
|
|
Moteur de recherche de fiches techniques de composants électroniques |
|
ADS7870 Fiches technique(PDF) 2 Page - Burr-Brown (TI) |
|
|
||||||||||||||||||||||||||||||
ADS7870 Fiches technique(HTML) 2 Page - Burr-Brown (TI) |
|
|
2 / 27 page  2 ® ADS7870 ADS7870EA PARAMETER CONDITIONS MIN TYP MAX UNITS ANALOG INPUT CHARACTERISTICS Input Voltage Range (LNx inputs) Linear Operation –0.2 VDD + 0.2 V Input Capacitance(2) 4 to 9.7 pF Input Impedance(2) Common-Mode 6M Ω Differential 7M Ω Channel-to-Channel Crosstalk VIN = 2Vp-p, 60Hz(3) 100 dB Multiplexer Leakage Current 100 pA STATIC ACCURACY Resolution 12 Bits No Missing Codes G = 1 to 20V/V 12 Bits Integral Linearity Error G = 1 to 20V/V ±1 ±2.5 LSB Differential Linearity Error G = 1 to 20V/V ±0.5 LSB Offset Error G = 1 to 20V/V ±1 ±6 LSB Full Scale (Gain) Error Ratiometric Configuration or External Ref(4) G = 1 to 10V/V ±0.2 %FSR G = 16 and 20V/V ±0.25 %FSR Internal Reference G = 1 to 10V/V ±0.35 %FSR G = 16 and 20V/V ±0.4 %FSR DC Common-Mode Rejection, RTI VIN = –0.2V to 5.2V, G = 20 V/V 92 dB Power Supply Rejection, RTI VDD = 5V ±10%, G = 20 V/V 86 dB DYNAMIC CHARACTERISTICS Throughput Rate, Continuous Mode One Channel 52 ksamp/s Address Mode Different Channels 52 ksamp/s External Clock, CCLK(5) 0.100 20 MHz Internal Oscillator Frequency 2.5 MHz Serial Interface Clock (SCLK) 20 MHz Data Set-Up Time 10 ns Data Hold Time 10 ns DIGITAL INPUTS Logic Levels Low Level Input Voltage, VIL 0.8 V High Level Input Voltage, VIH VDD ≤ 3.6V 2 V VDD > 3.6V 3 V Low Level Input Current, IIL 1 µA High Level Input Current, IIH 1 µA DIGITAL OUTPUTS Data Coding Binary Two’s Complement VOL ISINK = 5mA 0.4 V ISINK = 16mA 0.8 V VOH ISOURCE = 0.5mA VDD – 0.4 V ISOURCE = 5mA 4.6 V ISOURCE = 5mA, DOUT pin High-Z State, VOUT = 0V to VDD 1 µA Output Capacitance 5pF VOLTAGE REFERENCE BUFIN Input Voltage Range Input to Buffer Amplifier 0.9 VDD – 0.2 V Input Impedance 1012 || 3 Ω || pF BUFOUT/REFIN(6), (7) Output Voltage Accuracy VREF = 2.048V and 2.5V ±0.05% ±0.25 % vs Temperature TA= –40°C to 85°C 10 50 ppm/ °C Bandgap Voltage Reference 1.15 V Short-Circuit Current 20 mA POWER SUPPLY REQUIREMENTS Specified Voltage Range, VDD 5V Operating Voltage Range 2.7 5.5 V Power Supply Current(6) 1kHz Sample Rate REF and BUF On, Internal Oscillator on 0.450 mA 50kHz Sample Rate REF and BUF On, External CCLK 1.2 1.7 mA Power Down REF and BUF Off 1 µA Power Dissipation(6) 1kHz Sample Rate REF and BUF On, Internal Oscillator on 2.25 mW 50kHz Sample Rate REF and BUF On, External CCLK 6 8.5 mW Power Down REF and BUF Off 5 µW TEMPERATURE RANGE Specified Range –40 +85 °C Operating Range –55 +125 °C Storage Range –65 +150 °C Thermal Resistance, θ JA 150 °C/W SPECIFICATIONS FOR THE TOTAL SYSTEM(1) (See next section for specifications for each function in the ADS7870) At TA = +25°C, VDD = +5.0V, VREF = 2.5V connected to BUFIN (using internal reference), 2.5MHz CCLK and 2.5MHz SCLK, unless otherwise noted. |
Numéro de pièce similaire - ADS7870 |
|
Description similaire - ADS7870 |
|
|
Lien URL |
| Politique de confidentialité |
| ALLDATASHEET.FR |
| ALLDATASHEET vous a-t-il été utile ? [ DONATE ] |
À propos de Alldatasheet | Publicité | Contactez-nous | Politique de confidentialité | Echange de liens | Fabricants 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 |
French ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
