Moteur de recherche de fiches techniques de composants électroniques |
|
AD421 Fiches technique(PDF) 2 Page - Analog Devices |
|
AD421 Fiches technique(HTML) 2 Page - Analog Devices |
2 / 14 page DAC SPECIFICATIONS Parameter B Versions 2 Units Conditions/Comments ACCURACY Resolution 16 Bits Monotonicity 16 Bits min Integral Nonlinearity ±0.01 % of FS max FS = Full-Scale Output Current Offset (4 mA) @ +25 °C4 ±0.1 % of FS max VCC = 5 V Offset Drift ±25 ppm of FS/ °C max Includes On-Chip Reference Drift Total Output Error (20 mA) @ +25 °C4 ±0.2 % of FS max VCC = 5 V Total Output Drift ±50 ppm of FS/ °C max Includes On-Chip Reference Drift VCC Supply Sensitivity 50 nA/mV max 25 nA/mV Typical VOLTAGE REFERENCE REF OUT2 Output Voltage 2.49/2.51 V min/V max 2.5 V Nominal Drift ±40 ppm/ °C max 20 ppm/ °C Typical from –40°C to +25°C and –2.5 ppm/ °C Typical from +25°C to +85°C Externally Available Current 0.5 mA min VCC Supply Sensitivity 150 µV/V max 15 µV/V Typical Output Impedance 3 Ω typ Noise (0.1 Hz–10 Hz) 6 µV (p-p) typ REF OUT1 Output Voltage 1.24/1.26 V min/V max 1.25 V Nominal, 100 k Ω Load to COM5 Drift ±50 ppm/ °C max 20 ppm/ °C Typical from –40°C to +25°C and 2 ppm/ °C Typical from +25°C to +85°C Externally Available Current 0.5 mA min VCC Supply Sensitivity 150 µV/V max 15 µV/V Typical Output Impedance 3 Ω typ Noise (0.1 Hz–10 Hz) 4 µV (p-p) typ REF IN Input Resistance 40 k Ω typ DIGITAL INPUTS VIH (Logic 1) 0.75 × V CC V min VIL (Logic 0) 0.25 × V CC V max IIH ±10 µA max VIN = VCC IIL ±10 µA max VIN = 0 V Data Coding Binary Data Rate 10 Mbps max POWER SUPPLIES Operating Range +2.95 to +5.05 V min to V max Functional to 7 V Quiescent Current @ VCC = 3 V 650 µA max 475 µA Typical @ VCC = 5 V 750 µA max 575 µA Typical NOTES 1The DN25D is available from Supertex, Inc., 1350 Bordeaux Drive, Sunnyvale, CA 94089. 2Temperature range is –40 °C to +85°C. 3The max current loop voltage compliance is determined by the pass transistor breakdown voltage and is 350 V for the DN25D. 4With V CC = 3 V, the transfer function shifts negative by typically 0.25%; a 16 k Ω resistor connected between COM and LOOPRTN will approximately compensate for the V CC supply sensitivity in moving from 5 V to 3 V by skewing the gain of the AD421. 5100 k Ω resistor only required if this reference is being used in application circuits. Specifications subject to change without notice. AD421–LOOP-POWERED SPECIFICATIONS Parameter B Versions 2 Units Conditions/Comments OUTPUT CHARACTERISTICS Current Loop Voltage Compliance 3 VCC + 2 V min 350 V max DN25D Breakdown Voltage Full-Scale Settling Time 8 ms typ Settling Time to ±0.1%, C1 = C2 = 10 nF, C3 = 3.3 nF Output Impedance 25 M Ω typ AC Loop Voltage Sensitivity 2 µA/V typ 1200 Hz to 2200 Hz VOLTAGE REGULATOR Output Voltage (VCC) 3 V Mode 2.95/3.05 V min/V max 3 V Nominal. LV Pin Connected to VCC 3.3 V Mode 3.25/3.35 V min/V max 3.3 V Nominal. LV Pin Connected Through 0.01 µF to V CC 5 V Mode 4.95/5.05 V min/V max 5 V Nominal. LV Pin Connected to COM Externally Available Current 3.25 mA min Assuming 4 mA Flowing in the Loop Line Regulation 1 µV/V typ Load Regulation 15 µV/mA typ –2– (Using DN25D 1 as pass transistor as per Figure 3; REF IN = REF OUT2; TA = TMIN to TMAX unless otherwise noted) REV. C (VCC = +3 V to +5 V; REF IN = REF OUT2; TA = TMIN to TMAX unless otherwise noted) |
Numéro de pièce similaire - AD421 |
|
Description similaire - AD421 |
|
|
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 |