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AD7849BN 数据表(PDF) 2 Page - Analog Devices |
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AD7849BN 数据表(HTML) 2 Page - Analog Devices |
2 / 15 page AB, T C Parameter Versions Versions Versions Units Test Conditions/Comments RESOLUTION 14 16 16 Bits A Versions: 1 LSB = 2 (VREF+–VREF–)/2 14 B, C, T Versions: 1 LSB = 2 (VREF+–VREF–)/2 16 UNIPOLAR OUTPUT VREF– = 0 V, VOUT = 0 V to +10 V Relative Accuracy @ +25 °C ±4 ±6 ±4 LSBs typ TMIN to TMAX ±5 ±16 ±8 LSBs max Differential Nonlinearity ±0.25 ±0.9 ±0.5 LSBs max All Grades Guaranteed Monotonic Over Temperature Gain Error @ +25 °C ±1 ±4 ±4 LSBs typ VOUT Load = 10 M Ω TMIN to TMAX ±4 ±16 ±16 LSBs max Offset Error @ +25 °C ±1 ±4 ±4 LSBs typ TMIN to TMAX ±6 ±24 ±16 LSBs max Gain TC 3 ±2 ±2 ±2 ppm FSR/ °C typ Offset TC 3 ±2 ±2 ±2 ppm FSR/ °C typ BIPOLAR OUTPUT VREF– = –5 V, VOUT = –10 V to +10 V Relative Accuracy @ +25 °C ±2 ±3 ±2 LSBs typ TMIN to TMAX ±3 ±8 ±4 LSBs max Differential Nonlinearity ±0.25 ±0.9 ±0.5 LSBs max All Grades Guaranteed Monotonic Over Temperature Gain Error @ +25 °C ±1 ±4 ±4 LSBs typ VOUT Load = 10 M Ω TMIN to TMAX ±4 ±16 ±16 LSBs max Offset Error @ +25 °C ±0.5 ±2 ±2 LSBs typ TMIN to TMAX ±3 ±12 ±8 LSBs max Bipolar Zero Error @ +25 °C ±0.5 ±2 ±2 LSBs typ TMIN to TMAX ±4 ±12 ±8 LSBs max Gain TC 3 ±2 ±2 ±2 ppm FSR/ °Ctyp Offset TC 3 ±2 ±2 ±2 ppm FSR/ °Ctyp Bipolar Zero TC 3 ±2 ±2 ±2 ppm FSR/ °Ctyp REFERENCE INPUT Input Resistance 25 25 25 k Ω min Resistance from VREF+ to VREF– 43 43 43 k Ω max Typically 34 k Ω VREF+ Range VSS + 6 to VSS + 6 to VSS + 6 to Volts VDD – 6 VDD – 6 VDD – 6 VREF– Range VSS + 6 to VSS + 6 to VSS + 6 to Volts VDD – 6 VDD – 6 VDD – 6 OUTPUT CHARACTERISTICS Output Voltage Swing VSS + 4 to VSS + 4 to VSS + 4 to V max VDD – 4 VDD – 4 VDD – 4 Resistive Load 2 2 2 k Ω min To 0 V Capacitive Load 200 200 200 pF max To 0 V Output Resistance 0.3 0.3 0.3 Ω typ Short Circuit Current ±25 ±25 ±25 mA typ Voltage Range: –10 V to +10 V DIGITAL INPUTS VINH, Input High Voltage 2.4 2.4 2.4 V min VINL, Input Low Voltage 0.8 0.8 0.8 V max IINH, Input Current ±10 ±10 ±10 µA max CIN, Input Capacitance 10 10 10 pF max DIGITAL OUTPUTS VOL (Output Low Voltage) 0.4 0.4 0.4 Volts max ISINK = 1.6 mA VOH (Output High Voltage) 4.0 4.0 4.0 Volts min ISOURCE = 400 µA Floating State Leakage Current ±10 ±10 ±10 µA max Floating State Output Capacitance 10 10 10 pF max POWER REQUIREMENTS 4 VDD +14.25/+15.75 +14.25/+15.75 +14.25/+15.75 V min/V max VSS –14.25/–15.75 –14.25/–15.75 –14.25/–15.75 V min/V max VCC +4.75/+5.25 +4.75/+5.25 +4.75/+5.25 V min/V max IDD 5 5 5 mA max VOUT Unloaded, VINH = VDD – 0.1 V, VINL = 0.1 V ISS 5 5 5 mA max VOUT Unloaded, VINH = VDD – 0.1 V, VINL = 0.1 V ICC 2.5 2.5 2.5 mA max VINH = VDD – 0.1 V, VINL = 0.1 V Power Supply Sensitivity 5 0.4 1.5 1.5 LSB/V max Power Dissipation 100 100 100 mW typ VOUT Unloaded NOTES 1Temperature ranges: A, B, C Versions: –40 °C to +85°C; T Version: –55°C to +125°C. 2Minimum load for T Version is 3 k Ω. 3Guaranteed by design and characterization, not production tested. 4The AD7849 is functional with power supplies of ±12 V. See Typical Performance Curves. 5Sensitivity of Gain Error, Offset Error and Bipolar Zero Error to V DD, VSS variations. Specifications subject to change without notice. AD7849–SPECIFICATIONS1 REV. B –2– (VDD = +14.25 V to +15.75 V; VSS = –14.25 V to –15.75 V; VCC = +4.75 V to +5.25 V; VOUT loaded with 2 k Ω,2 200 pF to 0 V; VREF+ = +5 V; ROFS connected to 0 V; TA = TMIN to TMAX, unless otherwise noted) |
类似零件编号 - AD7849BN |
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类似说明 - AD7849BN |
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