Datasheet AD7091R-5 (Analog Devices) - 4

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Data Sheet AD7091R-5 SPECIFICATIONS
VDD = 2.7 V to 5.25 V, VDRIVE = 1.8 V to 5.25 V, fSCL = 400 kHz, fast SCL mode, VREF = 2.5 V internal/external, TA = −40°C to +125°C, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE fIN = 1 kHz sine wave Signal-to-Noise Ratio (SNR) 68 dB Signal-to-Noise-and-Distortion Ratio 67 dB (SINAD) Total Harmonic Distortion (THD) −80 dB Spurious-Free Dynamic Range (SFDR) −81 dB Channel to Channel Isolation −105 dB Aperture Delay 5 ns Aperture Jitter 40 ps Full Power Bandwidth At −3 dB 1.5 MHz At −0.1 dB 1.2 MHz DC ACCURACY Resolution 12 Bits Integral Nonlinearity (INL) −1.25 ±0.8 +1.25 LSB Differential Nonlinearity (DNL) Guaranteed no missing codes to 12 bits −0.9 ±0.3 +0.9 LSB Offset Error TA = 25°C −1.5 ±0.3 +1.5 mV Offset Error Matching TA = 25°C −1.5 ±0.3 +1.5 mV Offset Error Drift 2 ppm/°C Gain Error TA = 25°C −0.1 0.0 +0.1 % FS Gain Error Matching TA = 25°C −0.1 0.0 +0.1 % FS Gain Error Drift 1 ppm/°C ANALOG INPUT Input Voltage Range1 At ADCIN 0 VREF V DC Leakage Current −1 +1 µA Input Capacitance2 During acquisition phase 10 pF Outside acquisition phase 1.5 pF Multiplexer On Resistance VDD = 5.0 V 50 Ω VDD = 2.5 V 100 Ω VOLTAGE REFERENCE INPUT/OUTPUT REF 3 OUT Internal reference output, TA = 25°C 2.49 2.5 2.51 V REF 3 IN External reference input 1.0 VDD V Drift 5 ppm/°C Power-On Time CREF = 2.2 µF 50 ms LOGIC INPUTS Input Voltage High (VIH) 0.7 × VDRIVE V Low (VIL) 0.3 × VDRIVE V Input Current (IIN) VIN = 0 V or VDRIVE −1 0.01 +1 µA LOGIC OUTPUTS Output Voltage High (VOH) ISOURCE = 200 µA VDRIVE − 0.2 V Low (VOL) ISINK = 200 µA 0.4 V Floating State Leakage Current −1 +1 µA Output Coding Straight (natural) binary Rev. 0 | Page 3 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