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DAC8750IPWPR Datasheet(PDF) 6 Page - Texas Instruments |
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DAC8750IPWPR Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 53 page  6 DAC7750, DAC8750 SBAS538B – DECEMBER 2013 – REVISED JUNE 2016 www.ti.com Product Folder Links: DAC7750 DAC8750 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 7.4 Thermal Information THERMAL METRIC(1) DAC7750, DAC8750 UNIT RHA (VQFN) PWP (HTSSOP) 40 PINS 24 PINS RθJA Junction-to-ambient thermal resistance 32.9 32.3 °C/W RθJC(top) Junction-to-case (top) thermal resistance 17.2 14.1 °C/W RθJB Junction-to-board thermal resistance 7.5 12.2 °C/W ψJT Junction-to-top characterization parameter 0.2 0.3 °C/W ψJB Junction-to-board characterization parameter 7.5 12 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 1.4 0.63 °C/W (1) DAC8750 and DAC7750 current output range is set by writing to RANGE bits in control register at address 0x55. (2) For 0-mA to 20-mA and 0-mA to 24-mA ranges, INL is calculated beginning from code 0x0100 for DAC8750 and from code 0x0010 for DAC7750. 7.5 Electrical Characteristics At AVDD = 10 V to 36 V, GND = 0 V, REFIN = 5 V external, DVDD = 2.7 V to 5.5 V, and all specifications are from –40°C to 125°C (unless otherwise noted). For IOUT, RL = 300 Ω. Typical specifications are at 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT OUTPUT Current output 0 24 mA 0 20 4 20 Resolution DAC8750 16 Bits DAC7750 12 CURRENT OUTPUT ACCURACY (0 mA TO 20 mA AND 0 mA TO 24 mA)(1) Total unadjusted error, TUE TA = –40°C to 125°C –0.2% 0.2% FSR TA = –40°C to 85°C –0.16% 0.16% TA = 25°C –0.08% ±0.02% 0.08% Differential nonlinearity, DNL Monotonic ±1 LSB Relative accuracy, INL(2) TA = –40°C to 125°C ±0.08% FSR TA = –40°C to 85°C ±0.024% Offset error TA = –40°C to 125°C –0.17% 0.17% FSR TA = –40°C to 85°C –0.1% 0.1% TA = 25°C –0.07% ±0.01% 0.07% Offset error temperature coefficient ±5 ppm FSR/°C Full-scale error TA = –40°C to 125°C –0.2% 0.2% FSR TA = –40°C to 85°C –0.16% 0.16% TA = 25°C –0.08% ±0.015% 0.08% Full-scale error temperature coefficient Internal RSET ±5 ppm FSR/°C External RSET ±10 Gain error Internal RSET TA = –40°C to 125°C –0.2% 0.2% FSR TA = –40°C to 85°C –0.15% 0.15% TA = 25°C –0.08% ±0.01% 0.08% External RSET TA = –40°C to 125°C –0.17% 0.17% TA = –40°C to 85°C –0.12% 0.12% TA = 25°C –0.05% ±0.01% 0.05% Gain error temperature coefficient Internal RSET ±3 ppm FSR/°C External RSET ±8 Output current drift vs time TA = 125°C, 1000 hrs Internal RSET ±50 ppm FSR External RSET ±25 |
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