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DAC7760 Datasheet(PDF) 4 Page - Texas Instruments |
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DAC7760 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 59 page  DAC7760 DAC8760 SBAS528A – JUNE 2013 – REVISED DECEMBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) At AVDD = +10 V to +36 V, AVSS = –18 V to 0 V, AVDD + |AVSS| ≤ 36 V, GND = 0 V, REFIN = +5-V external, and DVDD = +2.7 V to +5.5 V. For VOUT: RL = 1 kΩ, CL = 200 pF; for IOUT: RL = 300 Ω. All specifications are from –40°C to +125°C, unless otherwise noted. Typical specifications are at +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOLTAGE OUTPUT (for Unipolar and Bipolar Modes) Headroom AVDD with respect to VOUT full scale 0.5 V Footroom AVSS with respect to VOUT zero scale –0.5 V Output voltage drift vs time TA = +125°C, 1000 hrs ±15 ppm FSR Short-circuit current 30 mA Load For specified performance 1 k Ω RL = ∞ 20 nF RL = 1 kΩ 5 nF Capacitive load stability(3) RL = 1 kΩ, external compensation capacitor (4 nF) 1 μF connected DC output impedance Code = 0x8000 0.3 Ω DC PSRR(3) No output load 3 10 μV/V CURRENT OUTPUT 0 24 mA Output current ranges 0 20 mA 4 20 mA DAC8760 16 Bits Resolution DAC7760 12 Bits Accuracy (for 0-mA to 20-mA and 0-mA to 24-mA range settings)(4) TA = –40°C to +125°C –0.2 +0.2 %FSR Total unadjusted error, TUE TA = –40°C to +85°C –0.16 +0.16 %FSR TA = +25°C –0.08 ±0.02 +0.08 %FSR Differential nonlinearity, DNL Monotonic ±1 LSB TA = –40°C to +125°C ±0.080 %FSR Relative accuracy, INL(5) TA = –40°C to +85°C ±0.024 %FSR TA = –40°C to +125°C –0.17 +0.17 %FSR Offset error TA = –40°C to +85°C –0.1 +0.1 %FSR TA = +25°C –0.07 ±0.01 +0.07 %FSR Offset error temperature coefficient ±5 ppm FSR/°C TA = –40°C to +125°C –0.2 +0.2 %FSR Full-scale error TA = –40°C to +85°C –0.16 +0.16 %FSR TA = +25°C –0.08 ±0.015 +0.08 %FSR Internal RSET ±5 ppm FSR/°C Full-scale error temperature coefficient External RSET ±10 ppm FSR/°C –40°C to +125°C –0.2 +0.2 %FSR Internal RSET –40°C to +85°C –0.15 +0.15 %FSR TA = +25°C –0.08 ±0.01 +0.08 %FSR Gain error –40°C to +125°C –0.17 +0.17 %FSR External RSET –40°C to +85°C –0.12 +0.12 %FSR TA = +25°C –0.05 ±0.01 +0.05 %FSR Internal RSET ±3 ppm FSR/°C Gain error temperature coefficient External RSET ±8 ppm FSR/°C Internal RSET ±50 ppm FSR Output current drift vs TA = +125°C, 1000 hrs time External RSET ±25 ppm FSR (3) Specified by design and characterization; not production tested. (4) DAC8760 and DAC7760 current output range is set by writing to RANGE bits in control register at address 0x55. (5) For 0-mA to 20-mA and 0-mA to 24-mA ranges, INL is calculated beginning from code 0x0100 for DAC8760 and from code 0x0010 for DAC7760. 4 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: DAC7760 DAC8760 |
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