Datasheet AD7091R-5 (Analog Devices) - 10

Data Sheet AD7091R-5 TYPICAL PERFORMANCE CHARACTERISTICS 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 ) 0.2 0.2 B B) S LS 0 L 0 ( L ( IN –0.2 DNL –0.2 –0.4 –0.4 VDD = 3.0V VDD = 3.0V V V –0.6 REF = 2.5V REF = 2.5V f –0.6 SCL = 400kHz fSCL = 400kHz TA = 25°C TA = 25°C –0.8 POSITIVE INL = +0.43 LSB –0.8 POSITIVE DNL = +0.41 LSB NEGATIVE INL = –0.66 LSB NEGATIVE DNL = –0.41 LSB –1.0 –1.0 0 512 1024 1536 2048 2560 3072 3584 4095
205
0 512 1024 1536 2048 2560 3072 3584 4095
208
CODE
12093-
CODE
12093- Figure 5. Integral Nonlinearity vs. Code Figure 8. Differential Nonlinearity vs. Code
1.0 1.0 VDD = 5.25V VDD = 5.25V 0.8 VREF = EXTERNAL 0.8 VREF = EXTERNAL fSCL = 400kHz fSCL = 400kHz 0.6 TA = 25°C 0.6 TA = 25°C MAX DNL (LSB) 0.4 MAX INL (LSB) 0.4 ) 0.2 0.2 B B) S LS 0 L 0 ( L ( IN –0.2 DNL –0.2 –0.4 –0.4 MIN INL (LSB) MIN DNL (LSB) –0.6 –0.6 –0.8 –0.8 –1.0 –1.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
231
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
234
REFERENCE INPUT VOLTAGE (V)
12093-
REFERENCE INPUT VOLTAGE (V)
12093- Figure 6. Minimum/Maximum INL vs. External Reference Input Voltage Figure 9. Minimum/Maximum DNL vs. External Reference Input Voltage
8000 5000 VDD = VDRIVE = 3.3V V 7218 DD = VDRIVE = 3.3V V 4500 V 4353 7000 REF = 2.5V REF = 2.5V 8192 SAMPLES 8192 SAMPLES TA = 25°C 4000 TA = 25°C S S 3762 6000 NCE 3500 NCE 5000 3000 CCURRE 4000 CCURRE 2500 O O F F 2000 3000 R O R O BE BE 1500 2000 NUM NUM 1000 1000 684 500 290 27 50 0 0 2028 2029 2030
206
2042 2043 2044 2045
209
CODE
12093-
CODE
12093- Figure 7. Histogram of a DC Input at Code Center Figure 10. Histogram of a DC Input at Code Transition Rev. 0 | Page 9 of 34 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS I2C TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION REFERENCE POWER SUPPLY DEVICE RESET ANALOG INPUT DRIVER AMPLIFIER CHOICE TYPICAL CONNECTION DIAGRAM I2C REGISTERS ADDRESSING REGISTERS SLAVE ADDRESS I2C REGISTER ACCESS CONVERSION RESULT REGISTER CHANNEL REGISTER CONFIGURATION REGISTER ALERT INDICATION REGISTER CHANNEL x LOW LIMIT REGISTER CHANNEL x HIGH LIMIT REGISTER CHANNEL x HYSTERESIS REGISTER I2C INTERFACE SERIAL BUS ADDRESS BYTE GENERAL I2C TIMING WRITING TO THE AD7091R-5 WRITING TWO BYTES OF DATA TO A 16-BIT REGISTER WRITING TO MULTIPLE REGISTERS READING DATA FROM THE AD7091R-5 READING TWO BYTES OF DATA FROM A 16-BIT REGISTER MODES OF OPERATION SAMPLE MODE COMMAND MODE AUTOCYCLE MODE POWER-DOWN MODE ALERT BUSY CHANNEL SEQUENCER OUTLINE DIMENSIONS ORDERING GUIDE