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ADS1205IRGERG4 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS1205IRGERG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 22 page ADS1205 SBAS312A − JANUARY 2005 − REVISED APRIL 2005 www.ti.com 5 ELECTRICAL CHARACTERISTICS (continued) Over recommended operating free-air temperature range at −40 °C to +85°C, AVDD = 5V, BVDD = 3V, CH x+ = 0.5V to 4.5V, CH x− = 2.5V, REFIN = REFOUT = internal +2.5V, CLKIN = 20MHz, and 16-bit Sinc3 filter with decimation by 256, unless otherwise noted. PARAMETER UNITS ADS1205I TEST CONDITIONS PARAMETER UNITS MAX TYP(1) MIN TEST CONDITIONS Digital Inputs(7) Logic family LVCMOS VIH High-level input voltage BVDD = 3.6V 2 BVDD+0.3 V VIL Low-level input voltage BVDD = 2.7V −0.3 0.8 V IIN Input current VI = BVDD or GND ±50 nA CI Input capacitance 5 pF Digital Outputs(7) Logic family LVCMOS VOH High-level output voltage BVDD = 2.7V, IOH = −100µA BVDD−0.2 V VOL Low-level output voltage BVDD = 2.7V, IOL = +100µA 0.2 V CO Output capacitance 5 pF CL Load capacitance 30 pF Data format Bit Stream Power Supply AVDD Analog supply voltage 4.5 5.5 V BVDD Buffer I/O supply voltage Low-voltage levels 2.7 3.6 V BVDD Buffer I/O supply voltage 5V logic levels 4.5 5.5 V AIDD Analog operating supply current CLKSEL = 1 11.8 16 mA AIDD Analog operating supply current CLKSEL = 0 11.4 15.5 mA BIDD Buffer I/O operating supply current BVDD = 3V, CLKOUT = 10MHz 2 mA BIDD Buffer I/O operating supply current BVDD = 5V, CLKOUT = 10MHz 2 mA Power dissipation CLKSEL = 0 57 77.5 mW Power dissipation CLKSEL = 1 59 80 mW (1) All typical values are at TA = +25°C. (2) Integral nonlinearity is defined as the maximum deviation of the line through the end points of the specified input range of the transfer curve for CH x+ = −2V to +2V at 2.5V, expressed either as the number of LSBs or as a percent of measured input range (4V). (3) Ensured by design. (4) Maximum values, including temperature drift, are ensured over the full specified temperature range. (5) With reduced accuracy, the clock frequency can go from 1MHz to 33MHz. (6) Applicable for 5.0V nominal supply: BVDD (min) = 4.5V and BVDD (max) = 5.5V. (7) Applicable for 3.0V nominal supply: BVDD (min) = 2.7V and BVDD (max) = 3.6V. EQUIVALENT INPUT CIRCUIT R ON 650 Ω C (SAMPLE) 1pF BV DD D IN BGND AV DD A IN AGND Diode Turn−On Voltage: 0.35V Equivalent Digital Input Circuit Equivalent Analog Input Circuit |
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Similar Description - ADS1205IRGERG4 |
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