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DAC161P997 Datasheet(PDF) 6 Page - Texas Instruments |
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DAC161P997 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 39 page DAC161P997 SNAS515G – JULY 2011 – REVISED DECEMBER 2014 www.ti.com Electrical Characteristics (continued) Unless otherwise noted, these specifications apply for VA = VD = 2.7 V to 3.6 V, TA = 25°C, external bipolar transistor: 2N3904, RE = 22Ω, C1 = C2 = C3 = 2.2 nF. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT See(5) GE Gain Error −0.22% 0.22% FS -40 to 105°C Gain Error Temp. Coefficient 5 29 ppmFS/°C DACCODE = 0x2AAA 4 mA Loop Current Error −18 18 -40 to 105°C DACCODE = 0xD555 20 mA Loop Current Error −55 55 -40 to 105°C µA ERR_LOW = default IERRL LOW ERROR Current 3361 3375 3391 -40 to 105°C ERR_HIGH = default IERRH HIGH ERROR Current 21702 21750 21817 -40 to 105°C Long Term Drift — mean shift of LTD 12 mA output current after 1000 90 ppmFS hrs at 150°C LOOP CURRENT OUTPUT (OUT) Minimum tested at DACCODE = Output Current 0x01C2(6) 0.18 24 mA -40 to 105°C Output Impedance 100 M Ω COMA to OUT voltage drop IOUT = 24 mA 960 mV BASE OUTPUT BASE short circuit output current BASE forced to COMA potential 10 mA DYNAMIC CHARACTERISTICS Output Noise Density 1 kHz 20 nA/ √Hz Integrated Output Noise 1 Hz to 1 kHz band 300 nARMS SWIF I/O CHARACTERISTICS VIH DIN -40 to 105°C 0.7* VD V VIL DIN -40 to 105°C 0.3*VD CDIN DIN input capacitance 10 pF I = 3 mA VOH DBACK 2216 -40 to 105°C I = 5 mA 1783 -40 to 105°C mV I = 3 mA VOL DBACK 547 -40 to 105°C I = 5 mA 1260 -40 to 105°C TD DIN to DBACK delay 8 ns OPEN DRAIN OUTPUTS I = 3 mA 550 -40 to 105°C VOL ACKB mV I = 5 mA 1370 -40 to 105°C I = 300 µA 66 -40 to 105°C VOL ERRB mV I = 3 mA 602 -40 to 105°C (5) Here Gain Error is the difference in slope of the straight line defined by measured 4-mA and 20-mA points of transfer characteristic, and that of the ideal characteristic. (6) This should be treated as the minimum LOOP current ensured specification. 6 Submit Documentation Feedback Copyright © 2011–2014, Texas Instruments Incorporated Product Folder Links: DAC161P997 |
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