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ADS1216Y250G4 Datasheet(PDF) 4 Page - Texas Instruments |
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ADS1216Y250G4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 41 page www.ti.com ADS1216 SBAS171D – NOVEMBER 2000 – REVISED SEPTEMBER 2006 ELECTRICAL CHARACTERISTICS: AV DD = +5V (continued) All specifications at T MIN to TMAX, AVDD = +5V, DVDD = +2.7V to +5.25V, fMOD = 19.2kHz, PGA = 1, Buffer ON, RDAC = 150kΩ, f DATA = 10Hz, and VREF = +2.5V, unless otherwise specified. ADS1216 PARAMETER CONDITIONS MIN TYP MAX UNIT ON-CHIP VOLTAGE REFERENCE Output voltage REF HI = 1 2.4 2.5 2.6 V REF HI = 0 1.25 V Short-circuit current source 8 mA Short-circuit current sink 50 µA Short-circuit duration Sink or source Indefinite Drift 15 ppm/ °C Noise VRCAP = 0.1µF, BW = 0.1Hz to 100Hz 10 µV PP Output impedance Sourcing 100 µA 3 Ω Startup time 50 µs IDAC Full-scale output current RDAC = 150kΩ, range = 1 0.5 mA RDAC = 150kΩ, range = 2 1 mA RDAC = 150kΩ, range = 3 2 mA RDAC = 15kΩ, range = 3 20 mA Maximum short-circuit current duration RDAC = 10kΩ Indefinite RDAC = 0kΩ 10 Minute Monotonicity RDAC = 150kΩ 8 Bits Compliance voltage 0 AVDD – 1 V Output impedance See Typical Characteristics Power-supply rejection ratio VOUT = AVDD/2 400 ppm/V Absolute error Individual IDAC 5 % Absolute drift Individual IDAC 75 ppm/ °C Mismatch error Between IDACs, same range and code 0.25 % Mismatch drift Between IDACs, same range and code 15 ppm/ °C POWER-SUPPLY REQUIREMENTS Power-supply voltage AVDD 4.75 5.25 V Analog current (IADC + IVREF + IDAC) PDWN = 0 or SLEEP 1 nA ADC current (IADC) PGA = 1, buffer OFF 140 225 µA PGA = 128, buffer OFF 430 650 µA PGA = 1, buffer ON 180 275 µA PGA = 128, buffer ON 800 1250 µA VREF current (IVREF) 250 375 µA IDAC current (IDAC) Excludes load current 480 675 µA Digital current Normal mode, DVDD = 5V 180 275 µA SLEEP mode, DVDD = 5V 150 µA Read data continuous mode, DVDD = 5V 230 µA PDWN 1 nA PGA = 1, buffer OFF, REFEN = 0, Power dissipation 1.6 2.5 mW IDACS OFF, DVDD = 5V TEMPERATURE RANGE Operating –40 +85 °C Storage –60 +100 °C 4 Submit Documentation Feedback |
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