Datasheet AD5232 (Analog Devices) - 9

FabricanteAnalog Devices
DescripciónNonvolatile Memory, Dual 256-Position Digital Potentiometer
Páginas / Página24 / 9 — Data Sheet. AD5232. TYPICAL PERFORMANCE CHARACTERISTICS. 2.00. 2000. …
RevisiónC
Formato / tamaño de archivoPDF / 881 Kb
Idioma del documentoInglés

Data Sheet. AD5232. TYPICAL PERFORMANCE CHARACTERISTICS. 2.00. 2000. 1.75. VDD = 2.7V. VDD = 5V. 1.50. VSS = 0V. TA = –40°C/+85°C. 1.25

Data Sheet AD5232 TYPICAL PERFORMANCE CHARACTERISTICS 2.00 2000 1.75 VDD = 2.7V VDD = 5V 1.50 VSS = 0V TA = –40°C/+85°C 1.25

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Data Sheet AD5232 TYPICAL PERFORMANCE CHARACTERISTICS 2.00 2000 1.75 VDD = 2.7V VDD = 5V 1.50 VSS = 0V ) TA = –40°C/+85°C C 1.25 VA = NO CONNECT R 1.00 1500 WB MEASURED INL TA = –40°C ppm 0.75 INL TA = +25°C B) O ( 0.50 S C L P 0.25 M R ( 0 TE 1000 E RRO –0.25 E INL T OD –0.50 A = +85°C INL T M –0.75 TA –1.00 500 OS –1.25 E H –1.50 R –1.75 –2.00 0 0 64 128 192 256
005
0 32 64 96 128 160 192 224 256
008
DIGITAL CODE
02618-
CODE (Decimal)
02618- Figure 5. INL vs. Code; TA = −40°C, +25°C, +85°C Overlay Figure 8. ΔRWB/ΔT vs. Code; RAB = 10 kΩ, VDD = 5 V
2.00 70 1.75 VDD = 2.7V ) VDD = 5V C 1.50 VSS = 0V 60 TA = –40°C/+85°C 1.25 VA = 2V ppm V 1.00 50 B = 0V O ( 0.75 DNL TA = –40°C C P B) S 0.50 DNL T M A = +25°C 40 L 0.25 TE R ( E 0 30 OD RRO –0.25 M E R –0.50 DNL TA = +85°C 20 TE DNL –0.75 E –1.00 10 TIOM –1.25 N –1.50 0 OTE –1.75 P –2.00 –10 0 64 128 192 256
006
0 32 64 96 128 160 192 224 256
009
DIGITAL CODE
02618-
CODE (Decimal)
02618- Figure 6. DNL vs. Code; TA = −40°C, +25°C, +85°C Overlay Figure 9. ΔVWB/ΔT vs. Code; RAB = 10 kΩ, VDD = 5 V
0.20 1 VDD = 5.5V VDD = +2.5V 0.15 VSS = 0V VSS = –2.5V TA = 25°C VCM = 0V 0.10 0.1 0.05 B) S L A) ( 0 µ ( DNL I CM R- –0.05 0.01 –0.10 –0.15 –0.20 0.001 0 32 64 96 128 160 192 224 256
007
–50 –35 –20 –5 10 25 40 55 70 85
010
CODE (Decimal)
02618-
TEMPERATURE (°C)
02618- Figure 7. R-DNL vs. Code; RAB = 10 kΩ, 50 kΩ, 100 kΩ Overlay Figure 10. ICM vs. Temperature (See Figure 30) Rev. C | Page 9 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Interface Timing Characteristics Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratch Pad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chaining Operation Advanced Control Modes Increment and Decrement Commands Logarithmic Taper Mode Adjustment Using Additional Internal, Nonvolatile EEMEM Terminal Voltage Operating Range Detailed Potentiometer Operation Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Operation from Dual Supplies Application Programming Examples Equipment Customer Start-up Sequence for a PCB Calibrated Unit with Protected Settings Flash/EEMEM Reliability Evaluation Board Outline Dimensions Ordering Guide