Datasheet AD5231 (Analog Devices) - 9

Data Sheet AD5231 TYPICAL PERFORMANCE CHARACTERISTICS 1.5 2.0 VDD = 5V, VSS = 0V TA = +85°C 1.5 1.0 1.0 TA = –40°C B) S 0.5 L 0.5 B) S R ( T L A = +25°C ( 0 RRO DNL E 0 R- –0.5 T INL A = +85°C TA = +25°C TA = –40°C –1.0 –0.5 –1.5 –1.0 –2.0 0 128 256 384 512 640 768 896 1024
009 006
0 128 256 384 512 640 768 896 1024 CODE (Decimal) CODE (Decimal)
02739- 02739- Figure 6. INL vs. Code, TA = −40°C, +25°C, +85°C Overlay, RAB = 10 kΩ Figure 9. R-DNL vs. Code, TA = −40°C, +25°C, +85°C Overlay, RAB = 10 kΩ
2.0 3000 VDD = 5V, VSS = 0V VDD = 5.5V, VSS = 0V T 1.5 ) A = –40°C TO +85°C C /° 2500 1.0 T ppm A = –40°C B) O ( 2000 S 0.5 C L P M R ( 0 TE 1500 E RRO E OD –0.5 TA = +85°C T M DNL 1000 T TA A = +25°C –1.0 S O 500 RHE –1.5 –2.0 0 0 128 256 384 512 640 768 896 1024
007
0 128 256 384 512 640 768 896 1024
010
CODE (Decimal)
02739-
CODE (Decimal)
02739- Figure 7. DNL vs. Code, TA = −40°C, +25°C, +85°C Overlay, RAB = 10 kΩ Figure 10. (∆RWB/RWB)/∆T × 106
1.0 100 V ) V DD = 5V, VSS = 0V DD = 5.5V, VSS = 0V C /° TA = –40°C TO +85°C 80 VB = 0V ppm VA = 2.00V 0.5 O ( C P 60 T M ) A = +85°C TE SB E (L 0 40 L OD T IN A = +25°C M R R- TE E 20 –0.5 TIOM N 0 TA = –40°C OTE P –1.0 –20 0 128 256 384 512 640 768 896 1024 0 128 256 384 512 640 768 896 1024
008 011
CODE (Decimal) CODE (Decimal)
02739- 02739- Figure 8. R-INL vs. Code, TA = −40°C, +25°C, +85°C Overlay, RAB = 10 kΩ Figure 11. (∆VW/VW)/∆T × 106 Rev. D | Page 9 of 28 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratchpad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chain Operation Terminal Voltage Operation Range Power-Up Sequence Latched Digital Outputs Advanced Control Modes Linear Increment and Decrement Instructions Logarithmic Taper Mode Adjustment Using Additional Internal Nonvolatile EEMEM RDAC Structure Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Programming Examples Flash/EEMEM Reliability Applications Bipolar Operation from Dual Supplies High Voltage Operation Bipolar Programmable Gain Amplifier 10-Bit Bipolar DAC 10-Bit Unipolar DAC Programmable Voltage Source with Boosted Output Programmable Current Source Programmable Bidirectional Current Source Resistance Scaling RDAC Circuit Simulation Model Outline Dimensions Ordering Guide